Modified: websites/production/camel/content/eip.html
==============================================================================
--- websites/production/camel/content/eip.html (original)
+++ websites/production/camel/content/eip.html Thu Nov 29 08:26:57 2018
@@ -78,7 +78,7 @@
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<tr>
<td valign="top" width="100%">
-<div class="wiki-content maincontent"><h2
id="EIP-EnterpriseIntegrationPatterns">Enterprise Integration
Patterns</h2><p>Camel supports most of the <a shape="rect"
class="external-link" href="http://www.eaipatterns.com/toc.html";
rel="nofollow">Enterprise Integration Patterns</a> from the excellent book by
<a shape="rect" class="external-link"
href="http://www.amazon.com/exec/obidos/search-handle-url/105-9796798-8100401?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Gregor%20Hohpe";
rel="nofollow">Gregor Hohpe</a> and <a shape="rect" class="external-link"
href="http://www.amazon.com/exec/obidos/search-handle-url/105-9796798-8100401?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Bobby%20Woolf";
rel="nofollow">Bobby Woolf</a>.</p><p>If you are new to Camel you might want
to try the <a shape="rect" href="getting-started.html">Getting Started</a> in
the <a shape="rect" href="user-guide.html">User Guide</a> before attempting to
implement these patt
erns.</p><p>The EIP icons library is available as a Visio stencil file adapted
to render the icons with the Camel color : sand. Download it <a shape="rect"
href="eip.data/Hohpe_EIP_camel_20150622.zip?version=1&modificationDate=1435069070000&api=v2"
data-linked-resource-id="59211849" data-linked-resource-version="1"
data-linked-resource-type="attachment"
data-linked-resource-default-alias="Hohpe_EIP_camel_20150622.zip"
data-nice-type="Zip Archive"
data-linked-resource-content-type="application/zip"
data-linked-resource-container-id="49204"
data-linked-resource-container-version="83">here</a> for your presentation,
functional and technical analysis documents. The original EIP stencil is also
available in <a shape="rect"
href="eip.data/Hohpe_EIP_camel_OpenOffice.zip?version=1&modificationDate=1245056975000&api=v2"
data-linked-resource-id="10920" data-linked-resource-version="1"
data-linked-resource-type="attachment"
data-linked-resource-default-alias="Hohpe_EIP_camel_Op
enOffice.zip" data-nice-type="Zip Archive"
data-linked-resource-content-type="application/zip"
data-linked-resource-container-id="49204"
data-linked-resource-container-version="83">OpenOffice 3.x Draw</a> (thanks to
Marco Garbelini) , <a shape="rect" class="external-link"
href="http://www.eaipatterns.com/download/EIP_Visio_stencil.zip";
rel="nofollow">Microsoft Visio</a>, or <a shape="rect" class="external-link"
href="http://www.graffletopia.com/stencils/137";
rel="nofollow">Omnigraffle</a>.</p><span class="conf-macro output-inline"
data-hasbody="true" data-macro-name="excerpt"></span><h3
id="EIP-MessagingSystems">Messaging Systems</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ChannelIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ChannelIcon.gif";></spa
n></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-channel.html">Message Channel</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How does one application communicate with
another using messaging?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message.html">Message</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can two applications connected by a message channel
exchange a piece of information?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-res
ource" src="http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="pipes-and-filters.html">Pipes and Filters</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can we perform complex processing on a
message while maintaining independence and flexibility?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-router.html">Message Router</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can you decouple individual processing
steps
so that messages can be passed to different filters depending on a set of
conditions?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageTranslatorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageTranslatorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-translator.html">Message Translator</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can systems using different data
formats communicate with each other using messaging?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageEndpointIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageEnd
pointIcon.gif"></span></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><a shape="rect" href="message-endpoint.html">Message
Endpoint</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How
does an application connect to a messaging channel to send and receive
messages?</p></td></tr></tbody></table></div><h3
id="EIP-MessagingChannels">Messaging Channels</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/PointToPointIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PointToPointIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="point-to-point-channel.html">Point to Point Channel</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can the caller be sure that
exactly one rece
iver will receive the document or perform the call?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/PublishSubscribeIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PublishSubscribeIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="publish-subscribe-channel.html">Publish Subscribe Channel</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can the sender broadcast an
event to all interested receivers?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif";></span></p></td><td
colspa
n="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="dead-letter-channel.html">Dead Letter Channel</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>What will the messaging system do with a
message it cannot deliver?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif";
data-image-src="http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="guaranteed-delivery.html">Guaranteed Delivery</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can the sender make sure that a message
will be delivered, even if the messaging system fails?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="con
fluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageBusIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageBusIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-bus.html">Message Bus</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>What is an architecture that enables separate
applications to work together, but in a de-coupled fashion such that
applications can be easily added or removed without affecting the
others?</p></td></tr></tbody></table></div><h3
id="EIP-MessageConstruction">Message Construction</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/EventMessageIcon.gif";
data-image-src="http://www.eaipatterns.com/img/EventMessageIcon.
gif"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a
shape="rect" href="event-message.html">Event Message</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can messaging be used to
transmit events from one application to another?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/RequestReplyIcon.gif";
data-image-src="http://www.eaipatterns.com/img/RequestReplyIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="request-reply.html">Request Reply</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>When an application sends a message, how can it get a
response from the receiver?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedd
ed-image confluence-external-resource"
src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif";
data-image-src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="correlation-identifier.html">Correlation Identifier</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How does a requestor that has
received a reply know which request this is the reply for?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/ReturnAddressIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ReturnAddressIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="return-address.html">Return Address</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How does a repl
ier know where to send the reply?</p></td></tr></tbody></table></div><h3
id="EIP-MessageRouting">Message Routing</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="content-based-router.html">Content Based Router</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How do we handle a situation
where the implementation of a single logical function (e.g., inventory check)
is spread across multiple physical systems?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image c
onfluence-external-resource"
src="http://www.eaipatterns.com/img/MessageFilterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageFilterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-filter.html">Message Filter</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a component avoid receiving
uninteresting messages?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="dynamic-router.html">Dynamic Router</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can you avoid the dependency of the
router on all possible destinations while main
taining its efficiency?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/RecipientListIcon.gif";
data-image-src="http://www.eaipatterns.com/img/RecipientListIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="recipient-list.html">Recipient List</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do we route a message to a list of
(static or dynamically) specified recipients?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/SplitterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/SplitterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect
" href="splitter.html">Splitter</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we process a message if it contains multiple
elements, each of which may have to be processed in a different
way?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/AggregatorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/AggregatorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="aggregator2.html">Aggregator</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do we combine the results of individual, but
related messages so that they can be processed as a whole?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resourc
e" src="http://www.eaipatterns.com/img/ResequencerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ResequencerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="resequencer.html">Resequencer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we get a stream of related but out-of-sequence
messages back into the correct order?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="composed-message-processor.html">Composed Message
Processor</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How
can you maintain the overall message flow whe
n processing a message consisting of multiple elements, each of which may
require different processing?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="scatter-gather.html">Scatter-Gather</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you maintain the overall message
flow when a message needs to be sent to multiple recipients, each of which may
send a reply?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img
/RoutingTableIcon.gif"
data-image-src="http://www.eaipatterns.com/img/RoutingTableIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="routing-slip.html">Routing Slip</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do we route a message consecutively through a
series of processing steps when the sequence of steps is not known at
design-time and may vary for each message?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="throttler.html">Throttler</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I throttle messag
es to ensure that a specific endpoint does not get overloaded, or we don't
exceed an agreed SLA with some external service?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="sampling.html">Sampling</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I sample one message out of many in a given
period to avoid downstream route does not get overloaded?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource" src="http://cwiki.apache.org/confluence/download/a
ttachments/49204/clear.png"
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="delayer.html">Delayer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I delay the sending of a
message?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="load-balancer.html">Load Balancer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I balance load across a number of
endpoints?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd">
0;</td><td colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="hystrix-eip.html">Hystrix</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>To use Hystrix Circuit Breaker when calling an external
service.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"><p><a shape="rect" href="servicecall-eip.html">Service
Call</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>To call a
remote service in a distributed system where the service is looked up from a
service registry of some sorts.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="
1" class="confluenceTd"><p><a shape="rect"
href="multicast.html">Multicast</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I route a message to a number of endpoints at
the same time?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="loop.html">Loop</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I repeat processing a message in a
loop?</p></td></tr></tbody></table></div><h3
id="EIP-MessageTransformation">Message Transformation</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><spa
n class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DataEnricherIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DataEnricherIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="content-enricher.html">Content Enricher</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do we communicate with another system
if the message originator does not have all the required data items
available?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentFilterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentFilterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="content-filter.html">Content Filter</a></
p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do you simplify
dealing with a large message, when you are interested only in a few data
items?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif";
data-image-src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="claim-check.html">Claim Check</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we reduce the data volume of message sent
across the system without sacrificing information content?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource" src="http://www.eaipatterns.com/img/Normalizer
Icon.gif"
data-image-src="http://www.eaipatterns.com/img/NormalizerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="normalizer.html">Normalizer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do you process messages that are semantically
equivalent, but arrive in a different format?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="sort.html">Sort</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I sort the body of a
message?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td co
lspan="1" rowspan="1" class="confluenceTd"><p>Script</p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do I execute a script which may not
change the message?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="validate.html">Validate</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I validate a
message?</p></td></tr></tbody></table></div><h3
id="EIP-MessagingEndpoints">Messaging Endpoints</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img clas
s="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="messaging-mapper.html">Messaging Mapper</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you move data between domain objects
and the messaging infrastructure while keeping the two independent of each
other?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="event-driven-consumer.html">Event Dr
iven Consumer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can an application automatically consume messages
as they become available?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="polling-consumer.html">Polling Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can an application consume a message
when the application is ready?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif"; data-ima
ge-src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="competing-consumers.html">Competing Consumers</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a messaging client process multiple
messages concurrently?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-dispatcher.html">Message Dispatcher</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can multiple consumers on a single
channel coordinate their message processing?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluen
ceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="selective-consumer.html">Selective Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a message consumer select which
messages it wishes to receive?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="durable-subscriber.html">Durable Subscriber</a></p></td>
<td colspan="1" rowspan="1" class="confluenceTd"><p>How can a subscriber avoid
missing messages while it's not listening for them?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="idempotent-consumer.html">Idempotent Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a message receiver deal with
duplicate messages?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif"; data-imag
e-src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="transactional-client.html">Transactional Client</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can a client control its
transactions with the messaging system?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="messaging-gateway.html">Messaging Gateway</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you encapsulate access to the
messaging system from the rest of the application?</p></td></tr><tr><td
colspan="1" rowspan="1" class="conf
luenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="service-activator.html">Service Activator</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can an application design a service to
be invoked both via various messaging technologies and via non-messaging
techniques?</p></td></tr></tbody></table></div><h3
id="EIP-SystemManagement">System Management</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ControlBusIcon.gif";
data-image-src="http://www.eaipatt
erns.com/img/ControlBusIcon.gif"></span></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p><a shape="rect"
href="controlbus.html">ControlBus</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we effectively administer a messaging system
that is distributed across multiple platforms and a wide geographic
area?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DetourIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DetourIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="detour.html">Detour</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can you route a message through intermediate steps
to perform validation, testing or debugging functions?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><sp
an class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/WireTapIcon.gif";
data-image-src="http://www.eaipatterns.com/img/WireTapIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="wire-tap.html">Wire Tap</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do you inspect messages that travel on a
point-to-point channel?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-history.html">Message History</a></p></td><td colspan="1"
rowspan="1" cl
ass="confluenceTd"><p>How can we effectively analyze and debug the flow of
messages in a loosely coupled system?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="logeip.html">Log</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I log processing a
message?</p></td></tr></tbody></table></div></div>
+<div class="wiki-content maincontent"><div class="conf-macro output-block"
data-hasbody="false" data-macro-name="include"><h2
id="EIP-EnterpriseIntegrationPatterns">Enterprise Integration
Patterns</h2><p>Camel supports most of the <a shape="rect"
class="external-link" href="http://www.eaipatterns.com/toc.html";
rel="nofollow">Enterprise Integration Patterns</a> from the excellent book by
<a shape="rect" class="external-link"
href="http://www.amazon.com/exec/obidos/search-handle-url/105-9796798-8100401?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Gregor%20Hohpe";
rel="nofollow">Gregor Hohpe</a> and <a shape="rect" class="external-link"
href="http://www.amazon.com/exec/obidos/search-handle-url/105-9796798-8100401?%5Fencoding=UTF8&search-type=ss&index=books&field-author=Bobby%20Woolf";
rel="nofollow">Bobby Woolf</a>.</p><p>If you are new to Camel you might want
to try the <a shape="rect" href="getting-started.html">Getting Started</a> in
the <a shape="r
ect" href="user-guide.html">User Guide</a> before attempting to implement
these patterns.</p><p>The EIP icons library is available as a Visio stencil
file adapted to render the icons with the Camel color : sand. Download it <a
shape="rect"
href="eip.data/Hohpe_EIP_camel_20150622.zip?version=1&modificationDate=1435069070000&api=v2"
data-linked-resource-id="59211849" data-linked-resource-version="1"
data-linked-resource-type="attachment"
data-linked-resource-default-alias="Hohpe_EIP_camel_20150622.zip"
data-nice-type="Zip Archive"
data-linked-resource-content-type="application/zip"
data-linked-resource-container-id="49204"
data-linked-resource-container-version="83">here</a> for your presentation,
functional and technical analysis documents. The original EIP stencil is also
available in <a shape="rect"
href="eip.data/Hohpe_EIP_camel_OpenOffice.zip?version=1&modificationDate=1245056975000&api=v2"
data-linked-resource-id="10920" data-linked-resource-version="1" data-link
ed-resource-type="attachment"
data-linked-resource-default-alias="Hohpe_EIP_camel_OpenOffice.zip"
data-nice-type="Zip Archive"
data-linked-resource-content-type="application/zip"
data-linked-resource-container-id="49204"
data-linked-resource-container-version="83">OpenOffice 3.x Draw</a> (thanks to
Marco Garbelini) , <a shape="rect" class="external-link"
href="http://www.eaipatterns.com/download/EIP_Visio_stencil.zip";
rel="nofollow">Microsoft Visio</a>, or <a shape="rect" class="external-link"
href="http://www.graffletopia.com/stencils/137";
rel="nofollow">Omnigraffle</a>.</p><span class="conf-macro output-inline"
data-hasbody="true" data-macro-name="excerpt"></span><h3
id="EIP-MessagingSystems">Messaging Systems</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/Ch
annelIcon.gif"
data-image-src="http://www.eaipatterns.com/img/ChannelIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-channel.html">Message Channel</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How does one application communicate with
another using messaging?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message.html">Message</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can two applications connected by a message channel
exchange a piece of information?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-
embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="pipes-and-filters.html">Pipes and Filters</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can we perform complex processing on a
message while maintaining independence and flexibility?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-router.html">Message Router</a></p></td><td colspan="1" r
owspan="1" class="confluenceTd"><p>How can you decouple individual processing
steps so that messages can be passed to different filters depending on a set of
conditions?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageTranslatorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageTranslatorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-translator.html">Message Translator</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can systems using different data
formats communicate with each other using messaging?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource" src="http://www.eaipatterns.com/im
g/MessageEndpointIcon.gif"
data-image-src="http://www.eaipatterns.com/img/MessageEndpointIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-endpoint.html">Message Endpoint</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How does an application connect to a
messaging channel to send and receive
messages?</p></td></tr></tbody></table></div><h3
id="EIP-MessagingChannels">Messaging Channels</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/PointToPointIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PointToPointIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="point-to-point-channel.html">Point to Point Channel</a></p></td><td
colspan="1"
rowspan="1" class="confluenceTd"><p>How can the caller be sure that exactly
one receiver will receive the document or perform the
call?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/PublishSubscribeIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PublishSubscribeIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="publish-subscribe-channel.html">Publish Subscribe Channel</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can the sender broadcast an
event to all interested receivers?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif"; data-image-src="
http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="dead-letter-channel.html">Dead Letter Channel</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>What will the messaging system do with a
message it cannot deliver?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif";
data-image-src="http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="guaranteed-delivery.html">Guaranteed Delivery</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can the sender make sure that a message
will be delivered, even if the messaging system fails?</p></td></tr><tr><td
colspan="1" rowspan="1" cl
ass="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageBusIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageBusIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-bus.html">Message Bus</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>What is an architecture that enables separate
applications to work together, but in a de-coupled fashion such that
applications can be easily added or removed without affecting the
others?</p></td></tr></tbody></table></div><h3
id="EIP-MessageConstruction">Message Construction</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource" src="http://www.eaipatterns.com/img/Ev
entMessageIcon.gif"
data-image-src="http://www.eaipatterns.com/img/EventMessageIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="event-message.html">Event Message</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can messaging be used to transmit events from one
application to another?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/RequestReplyIcon.gif";
data-image-src="http://www.eaipatterns.com/img/RequestReplyIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="request-reply.html">Request Reply</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>When an application sends a message, how can it get a
response from the receiver?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenc
eTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif";
data-image-src="http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="correlation-identifier.html">Correlation Identifier</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How does a requestor that has
received a reply know which request this is the reply for?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/ReturnAddressIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ReturnAddressIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="return-address.html">Return Add
ress</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How does
a replier know where to send the reply?</p></td></tr></tbody></table></div><h3
id="EIP-MessageRouting">Message Routing</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="content-based-router.html">Content Based Router</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How do we handle a situation
where the implementation of a single logical function (e.g., inventory check)
is spread across multiple physical systems?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><s
pan class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageFilterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageFilterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-filter.html">Message Filter</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a component avoid receiving
uninteresting messages?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DynamicRouterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="dynamic-router.html">Dynamic Router</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>Ho
w can you avoid the dependency of the router on all possible destinations
while maintaining its efficiency?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/RecipientListIcon.gif";
data-image-src="http://www.eaipatterns.com/img/RecipientListIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="recipient-list.html">Recipient List</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do we route a message to a list of
(static or dynamically) specified recipients?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/SplitterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/SplitterIcon.gif
"></span></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p><a
shape="rect" href="splitter.html">Splitter</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can we process a message if it contains
multiple elements, each of which may have to be processed in a different
way?</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/AggregatorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/AggregatorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="aggregator2.html">Aggregator</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do we combine the results of individual, but
related messages so that they can be processed as a whole?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span class="confluence-embe
dded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/ResequencerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ResequencerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="resequencer.html">Resequencer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we get a stream of related but out-of-sequence
messages back into the correct order?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DistributionAggregateIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="composed-message-processor.html">Composed Message
Processor</a></p></td><td colspan="1" r
owspan="1" class="confluenceTd"><p>How can you maintain the overall message
flow when processing a message consisting of multiple elements, each of which
may require different processing?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="scatter-gather.html">Scatter-Gather</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you maintain the overall message
flow when a message needs to be sent to multiple recipients, each of which may
send a reply?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="conflue
nce-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/RoutingTableIcon.gif";
data-image-src="http://www.eaipatterns.com/img/RoutingTableIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="routing-slip.html">Routing Slip</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do we route a message consecutively through a
series of processing steps when the sequence of steps is not known at
design-time and may vary for each message?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="throttler.html">Throttler</a></
p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How can I throttle
messages to ensure that a specific endpoint does not get overloaded, or we
don't exceed an agreed SLA with some external service?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="sampling.html">Sampling</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I sample one message out of many in a given
period to avoid downstream route does not get overloaded?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-im
age confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="delayer.html">Delayer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I delay the sending of a
message?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="load-balancer.html">Load Balancer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I balance load across a number
of endpoints?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"><p><a shape="rect"
href="hystrix-eip.html">Hystrix</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>To use Hystrix Circuit Breaker when calling an external
service.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"><p><a shape="rect" href="servicecall-eip.html">Service
Call</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>To call a
remote service in a distributed system where the service is looked up from a
service registry of some sorts.</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/conflu
ence/download/attachments/49204/clear.png"></span></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p><a shape="rect"
href="multicast.html">Multicast</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I route a message to a number of endpoints at
the same time?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="loop.html">Loop</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I repeat processing a message in a
loop?</p></td></tr></tbody></table></div><h3
id="EIP-MessageTransformation">Message Transformation</h3><div
class="table-wrap"><table class="
confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DataEnricherIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DataEnricherIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="content-enricher.html">Content Enricher</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do we communicate with another system
if the message originator does not have all the required data items
available?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/ContentFilterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/ContentFilterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" cla
ss="confluenceTd"><p><a shape="rect" href="content-filter.html">Content
Filter</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How do
you simplify dealing with a large message, when you are interested only in a
few data items?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif";
data-image-src="http://www.eaipatterns.com/img/StoreInLibraryIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="claim-check.html">Claim Check</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we reduce the data volume of message sent
across the system without sacrificing information content?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedde
d-image confluence-external-resource"
src="http://www.eaipatterns.com/img/NormalizerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/NormalizerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="normalizer.html">Normalizer</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do you process messages that are semantically
equivalent, but arrive in a different format?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="sort.html">Sort</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I sort the body of a message?
</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"> </td><td colspan="1" rowspan="1"
class="confluenceTd"><p>Script</p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do I execute a script which may not change the
message?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="validate.html">Validate</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I validate a
message?</p></td></tr></tbody></table></div><h3
id="EIP-MessagingEndpoints">Messaging Endpoints</h3><div
class="table-wrap"><table class="confluenceTable"><tbody><tr><td colspan="1"
rowspan=
"1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="messaging-mapper.html">Messaging Mapper</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you move data between domain objects
and the messaging infrastructure while keeping the two independent of each
other?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif";></span></p></td><td
colspan="1" rowspan="1
" class="confluenceTd"><p><a shape="rect"
href="event-driven-consumer.html">Event Driven Consumer</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can an application
automatically consume messages as they become available?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif";
data-image-src="http://www.eaipatterns.com/img/PollingConsumerIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="polling-consumer.html">Polling Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can an application consume a message
when the application is ready?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-externa
l-resource" src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif";
data-image-src="http://www.eaipatterns.com/img/CompetingConsumersIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="competing-consumers.html">Competing Consumers</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a messaging client process multiple
messages concurrently?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageDispatcherIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="message-dispatcher.html">Message Dispatcher</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can multiple consumers on a single
channel coordinate th
eir message processing?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessageSelectorIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="selective-consumer.html">Selective Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a message consumer select which
messages it wishes to receive?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceT
d"><p><a shape="rect" href="durable-subscriber.html">Durable
Subscriber</a></p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>How
can a subscriber avoid missing messages while it's not listening for
them?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="idempotent-consumer.html">Idempotent Consumer</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can a message receiver deal with
duplicate messages?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-
resource" src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif";
data-image-src="http://www.eaipatterns.com/img/TransactionalClientIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="transactional-client.html">Transactional Client</a></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p>How can a client control its
transactions with the messaging system?</p></td></tr><tr><td colspan="1"
rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessagingGatewayIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="messaging-gateway.html">Messaging Gateway</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How do you encapsulate access to the
messaging system from t
he rest of the application?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif";
data-image-src="http://www.eaipatterns.com/img/MessagingAdapterIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="service-activator.html">Service Activator</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can an application design a service to
be invoked both via various messaging technologies and via non-messaging
techniques?</p></td></tr></tbody></table></div><h3
id="EIP-SystemManagement">System Management</h3><div class="table-wrap"><table
class="confluenceTable"><tbody><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource" src="h
ttp://www.eaipatterns.com/img/ControlBusIcon.gif"
data-image-src="http://www.eaipatterns.com/img/ControlBusIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="controlbus.html">ControlBus</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can we effectively administer a messaging system
that is distributed across multiple platforms and a wide geographic
area?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/DetourIcon.gif";
data-image-src="http://www.eaipatterns.com/img/DetourIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="detour.html">Detour</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can you route a message through intermediate steps
to perform validation, testing or debugging
functions?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://www.eaipatterns.com/img/WireTapIcon.gif";
data-image-src="http://www.eaipatterns.com/img/WireTapIcon.gif";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="wire-tap.html">Wire Tap</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How do you inspect messages that travel on a
point-to-point channel?</p></td></tr><tr><td colspan="1" rowspan="1"
class="confluenceTd"><p><span class="confluence-embedded-file-wrapper"><img
class="confluence-embedded-image confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect" hr
ef="message-history.html">Message History</a></p></td><td colspan="1"
rowspan="1" class="confluenceTd"><p>How can we effectively analyze and debug
the flow of messages in a loosely coupled system?</p></td></tr><tr><td
colspan="1" rowspan="1" class="confluenceTd"><p><span
class="confluence-embedded-file-wrapper"><img class="confluence-embedded-image
confluence-external-resource"
src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";
data-image-src="http://cwiki.apache.org/confluence/download/attachments/49204/clear.png";></span></p></td><td
colspan="1" rowspan="1" class="confluenceTd"><p><a shape="rect"
href="logeip.html">Log</a></p></td><td colspan="1" rowspan="1"
class="confluenceTd"><p>How can I log processing a
message?</p></td></tr></tbody></table></div></div></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/ejb.html
==============================================================================
--- websites/production/camel/content/ejb.html (original)
+++ websites/production/camel/content/ejb.html Thu Nov 29 08:26:57 2018
@@ -231,8 +231,8 @@ Error rendering macro 'code': Invalid va
-<h3 id="EJB-SeeAlso">See Also</h3>
-<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul>
+<div class="conf-macro output-block" data-hasbody="false"
data-macro-name="include"><h3 id="EJB-SeeAlso">See Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div>
<ul><li><a shape="rect" href="bean.html">Bean</a></li><li><a shape="rect"
href="bean-binding.html">Bean Binding</a></li><li><a shape="rect"
href="bean-integration.html">Bean Integration</a></li></ul></div>
</td>
<td valign="top">
Modified: websites/production/camel/content/elasticsearch.html
==============================================================================
--- websites/production/camel/content/elasticsearch.html (original)
+++ websites/production/camel/content/elasticsearch.html Thu Nov 29 08:26:57
2018
@@ -114,8 +114,8 @@
map.put("content", "test");
String indexId = template.requestBody("direct:index", map, String.class);
</pre>
-</div></div><h3 id="ElasticSearch-Formoreinformation,seetheseresources">For
more information, see these resources</h3><p><a shape="rect"
class="external-link" href="http://elasticsearch.org";
rel="nofollow">ElasticSearch Main Site</a></p><p><a shape="rect"
class="external-link"
href="http://www.elasticsearch.org/guide/reference/java-api/";
rel="nofollow">ElasticSearch Java API</a></p><p></p><h3
id="ElasticSearch-SeeAlso">See Also</h3>
-<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div>
+</div></div><h3 id="ElasticSearch-Formoreinformation,seetheseresources">For
more information, see these resources</h3><p><a shape="rect"
class="external-link" href="http://elasticsearch.org";
rel="nofollow">ElasticSearch Main Site</a></p><p><a shape="rect"
class="external-link"
href="http://www.elasticsearch.org/guide/reference/java-api/";
rel="nofollow">ElasticSearch Java API</a></p><p></p><div class="conf-macro
output-block" data-hasbody="false" data-macro-name="include"><h3
id="ElasticSearch-SeeAlso">See Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/elsql.html
==============================================================================
--- websites/production/camel/content/elsql.html (original)
+++ websites/production/camel/content/elsql.html Thu Nov 29 08:26:57 2018
@@ -137,8 +137,8 @@
SELECT *
FROM projects
ORDER BY id</pre>
-</div></div><p> </p><p></p><h3 id="ElSql-SeeAlso">See Also</h3>
-<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul><ul
class="alternate"><li><a shape="rect" href="sql-component.html">SQL
Component</a></li><li><a shape="rect"
href="mybatis.html">MyBatis</a></li><li><a shape="rect"
href="jdbc.html">JDBC</a></li></ul></div>
+</div></div><p> </p><p></p><div class="conf-macro output-block"
data-hasbody="false" data-macro-name="include"><h3 id="ElSql-SeeAlso">See
Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div><ul
class="alternate"><li><a shape="rect" href="sql-component.html">SQL
Component</a></li><li><a shape="rect"
href="mybatis.html">MyBatis</a></li><li><a shape="rect"
href="jdbc.html">JDBC</a></li></ul></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/esper.html
==============================================================================
--- websites/production/camel/content/esper.html (original)
+++ websites/production/camel/content/esper.html Thu Nov 29 08:26:57 2018
@@ -111,8 +111,8 @@ To configure Esper via a configuration f
<pre class="syntaxhighlighter-pre" data-syntaxhighlighter-params="brush: java;
gutter: false; theme: Default" data-theme="Default"> EventBean newEvent =
exchange.getIn(EsperMessage.class).getNewEvent();
EventBean oldEvent = exchange.getIn(EsperMessage.class).getOldEvent();
</pre>
-</div></div><p>By default if you get the body of
<code>org.apacheextras.camel.component.esper.EsperMessage</code> it returns the
new <code>EventBean</code> as in previous versions.</p><h3
id="Esper-Demo">Demo</h3><p>There is a <a shape="rect" class="external-link"
href="http://code.google.com/p/camel-extra/wiki/EsperDemo"; rel="nofollow">demo
which shows how to work with ActiveMQ, Camel and Esper</a> in the <a
shape="rect" class="external-link" href="http://code.google.com/p/camel-extra/";
rel="nofollow">Camel Extra</a> project</p><p></p><h3 id="Esper-SeeAlso">See
Also</h3>
-<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul><ul><li><a
shape="rect" class="external-link"
href="http://code.google.com/p/camel-extra/wiki/EsperDemo"; rel="nofollow">Esper
Camel Demo</a></li></ul></div>
+</div></div><p>By default if you get the body of
<code>org.apacheextras.camel.component.esper.EsperMessage</code> it returns the
new <code>EventBean</code> as in previous versions.</p><h3
id="Esper-Demo">Demo</h3><p>There is a <a shape="rect" class="external-link"
href="http://code.google.com/p/camel-extra/wiki/EsperDemo"; rel="nofollow">demo
which shows how to work with ActiveMQ, Camel and Esper</a> in the <a
shape="rect" class="external-link" href="http://code.google.com/p/camel-extra/";
rel="nofollow">Camel Extra</a> project</p><p></p><div class="conf-macro
output-block" data-hasbody="false" data-macro-name="include"><h3
id="Esper-SeeAlso">See Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div><ul><li><a
shape="rect" class="external-link"
href="http://code.google.com/p/camel-extra/wiki/EsperDemo"; rel="nofollow">Esper
Camel Demo</a></li></ul></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/event-driven-consumer.html
==============================================================================
--- websites/production/camel/content/event-driven-consumer.html (original)
+++ websites/production/camel/content/event-driven-consumer.html Thu Nov 29
08:26:57 2018
@@ -96,9 +96,9 @@
<from uri="jms:queue:foo"/>
<to uri="processor"/>
</route></pre>
-</div></div><p> </p><p>For more details see</p><ul><li><a shape="rect"
href="message.html">Message</a></li><li><a shape="rect"
href="message-endpoint.html">Message Endpoint</a></li></ul><p></p><h4
id="EventDrivenConsumer-UsingThisPattern">Using This Pattern</h4>
+</div></div><p> </p><p>For more details see</p><ul><li><a shape="rect"
href="message.html">Message</a></li><li><a shape="rect"
href="message-endpoint.html">Message Endpoint</a></li></ul><p></p><div
class="conf-macro output-block" data-hasbody="false"
data-macro-name="include"><h4 id="EventDrivenConsumer-UsingThisPattern">Using
This Pattern</h4>
-<p>If you would like to use this EIP Pattern then please read the <a
shape="rect" href="getting-started.html">Getting Started</a>, you may also find
the <a shape="rect" href="architecture.html">Architecture</a> useful
particularly the description of <a shape="rect"
href="endpoint.html">Endpoint</a> and <a shape="rect"
href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect"
href="examples.html">Examples</a> first before trying this pattern
out.</p></div>
+<p>If you would like to use this EIP Pattern then please read the <a
shape="rect" href="getting-started.html">Getting Started</a>, you may also find
the <a shape="rect" href="architecture.html">Architecture</a> useful
particularly the description of <a shape="rect"
href="endpoint.html">Endpoint</a> and <a shape="rect"
href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect"
href="examples.html">Examples</a> first before trying this pattern
out.</p></div></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/event-message.html
==============================================================================
--- websites/production/camel/content/event-message.html (original)
+++ websites/production/camel/content/event-message.html Thu Nov 29 08:26:57
2018
@@ -111,9 +111,9 @@
<inOnly uri="mq:anotherQueue"/>
</route>
</pre>
-</div></div><p></p><h4 id="EventMessage-UsingThisPattern">Using This
Pattern</h4>
+</div></div><p></p><div class="conf-macro output-block" data-hasbody="false"
data-macro-name="include"><h4 id="EventMessage-UsingThisPattern">Using This
Pattern</h4>
-<p>If you would like to use this EIP Pattern then please read the <a
shape="rect" href="getting-started.html">Getting Started</a>, you may also find
the <a shape="rect" href="architecture.html">Architecture</a> useful
particularly the description of <a shape="rect"
href="endpoint.html">Endpoint</a> and <a shape="rect"
href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect"
href="examples.html">Examples</a> first before trying this pattern
out.</p></div>
+<p>If you would like to use this EIP Pattern then please read the <a
shape="rect" href="getting-started.html">Getting Started</a>, you may also find
the <a shape="rect" href="architecture.html">Architecture</a> useful
particularly the description of <a shape="rect"
href="endpoint.html">Endpoint</a> and <a shape="rect"
href="uris.html">URIs</a>. Then you could try out some of the <a shape="rect"
href="examples.html">Examples</a> first before trying this pattern
out.</p></div></div>
</td>
<td valign="top">
<div class="navigation">
Modified: websites/production/camel/content/exec.html
==============================================================================
--- websites/production/camel/content/exec.html (original)
+++ websites/production/camel/content/exec.html Thu Nov 29 08:26:57 2018
@@ -210,8 +210,8 @@ from("direct:exec").to("exec:cmd?args=/C
</pre>
</div></div>
-<h3 id="Exec-SeeAlso">See Also</h3>
-<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div>
+<div class="conf-macro output-block" data-hasbody="false"
data-macro-name="include"><h3 id="Exec-SeeAlso">See Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring
Camel</a></li><li><a shape="rect"
href="component.html">Component</a></li><li><a shape="rect"
href="endpoint.html">Endpoint</a></li><li><a shape="rect"
href="getting-started.html">Getting Started</a></li></ul></div></div>
</td>
<td valign="top">
<div class="navigation">
![http://www.eaipatterns.com/img/ChannelIcon.gif"](http://www.eaipatterns.com/img/ChannelIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageIcon.gif"](http://www.eaipatterns.com/img/MessageIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif"](http://www.eaipatterns.com/img/PipesAndFiltersIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif"](http://www.eaipatterns.com/img/ContentBasedRouterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageTranslatorIcon.gif"](http://www.eaipatterns.com/img/MessageTranslatorIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageEndpointIcon.gif"](http://www.eaipatterns.com/img/MessageEndpointIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/PointToPointIcon.gif"](http://www.eaipatterns.com/img/PointToPointIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/PublishSubscribeIcon.gif"](http://www.eaipatterns.com/img/PublishSubscribeIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif"](http://www.eaipatterns.com/img/DeadLetterChannelIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif"](http://www.eaipatterns.com/img/GuaranteedMessagingIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageBusIcon.gif"](http://www.eaipatterns.com/img/MessageBusIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/EventMessageIcon.gif"](http://www.eaipatterns.com/img/EventMessageIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/RequestReplyIcon.gif"](http://www.eaipatterns.com/img/RequestReplyIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif"](http://www.eaipatterns.com/img/CorrelationIdentifierIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/ReturnAddressIcon.gif"](http://www.eaipatterns.com/img/ReturnAddressIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageFilterIcon.gif"](http://www.eaipatterns.com/img/MessageFilterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DynamicRouterIcon.gif"](http://www.eaipatterns.com/img/DynamicRouterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/RecipientListIcon.gif"](http://www.eaipatterns.com/img/RecipientListIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/SplitterIcon.gif"](http://www.eaipatterns.com/img/SplitterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/AggregatorIcon.gif"](http://www.eaipatterns.com/img/AggregatorIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/ResequencerIcon.gif"](http://www.eaipatterns.com/img/ResequencerIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DistributionAggregateIcon.gif"](http://www.eaipatterns.com/img/DistributionAggregateIcon.gif"){kind=link}
![http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"](http://cwiki.apache.org/confluence/download/attachments/49204/clear.png"){kind=link}
![http://www.eaipatterns.com/img/RoutingTableIcon.gif"](http://www.eaipatterns.com/img/RoutingTableIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DataEnricherIcon.gif"](http://www.eaipatterns.com/img/DataEnricherIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/ContentFilterIcon.gif"](http://www.eaipatterns.com/img/ContentFilterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/StoreInLibraryIcon.gif"](http://www.eaipatterns.com/img/StoreInLibraryIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/NormalizerIcon.gif"](http://www.eaipatterns.com/img/NormalizerIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif"](http://www.eaipatterns.com/img/EventDrivenConsumerIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/PollingConsumerIcon.gif"](http://www.eaipatterns.com/img/PollingConsumerIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/CompetingConsumersIcon.gif"](http://www.eaipatterns.com/img/CompetingConsumersIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageDispatcherIcon.gif"](http://www.eaipatterns.com/img/MessageDispatcherIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessageSelectorIcon.gif"](http://www.eaipatterns.com/img/MessageSelectorIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif"](http://www.eaipatterns.com/img/DurableSubscriptionIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/TransactionalClientIcon.gif"](http://www.eaipatterns.com/img/TransactionalClientIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessagingGatewayIcon.gif"](http://www.eaipatterns.com/img/MessagingGatewayIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/MessagingAdapterIcon.gif"](http://www.eaipatterns.com/img/MessagingAdapterIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/ControlBusIcon.gif"](http://www.eaipatterns.com/img/ControlBusIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/DetourIcon.gif"](http://www.eaipatterns.com/img/DetourIcon.gif"){kind=link}
![http://www.eaipatterns.com/img/WireTapIcon.gif"](http://www.eaipatterns.com/img/WireTapIcon.gif"){kind=link}
