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The <code class="literal">Connection</code> + instance is taken from the pool whenever method + <code class="literal">PooledConnectionFactory#createConnection()</code> is invoked and returned into the + pool when method <code class="literal">Connection#close()</code> is called.</p><p>A user can configure a maximum allowed number of connections to remain in pool (10 by + default) by calling <code class="literal">PooledConnectionFactory#setMaxPoolSize(int)</code>. When number + of connections exceeds the value set for maximum pool size, + <code class="literal">PooledConnectionFactory</code> starts to work as a normal <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ConnectionFactory.html"; target="_top">ConnectionFactory</a> and creates + a new connection every time method <code class="literal">PooledConnectionFactory#createConnection()</code> + is invoked.</p><p>The <a class="link" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Connection URL</a> is set by invoking + method <code class="literal">PooledConnectionFactory#setConnectionURLString(String)</code>.</p><p>A user can specify the maximum time a connection may remain idle in pool by calling + <code class="literal">PooledConnectionFactory#setConnectionTimeout(long)</code> passing a value in + milliseconds. If connection is not used within the specified interval it is closed + automatically. </p><p>This implementation can be useful in <span class="emphasis"><em>Spring JMS</em></span> based applications. An + example below demonstrates how to configure <code class="literal">PooledConnectionFactory</code> in the + Spring xml configuration. </p><div class="example"><a id="d0e3161"></a><p class="title"><strong>Example D.1. Example of configuring <span class="emphasis"><em>PooledConnectionFactory</em></span> in spring xml + configuration.</strong></p><div class="example-contents"><pre class="programlisting"> +<bean id="pooledConnectionFactory" class="org.apache.qpid.client.PooledConnectionFactory"> + <!-- set maximum number of pool connections to 20--> + <property name="maxPoolSize" value="20"></property> + <!-- set the timeout for connection to remain open in pool without being used --> + <property name="connectionTimeout" value="60000"></property> + <!-- set connection URL as String --> + <property name="connectionURLString" value="amqp://guest:guest@clientid/default?brokerlist='tcp://localhost:5672?retries='300'&failover='nofailover''&maxprefetch='0'"></property> +</bean></pre></div></div><p><br class="example-break" /> + </p><p> + <span class="emphasis"><em>PooledConnectionFactory</em></span> spring bean can be configured with such + <span class="emphasis"><em>spring-jms</em></span> beans like + <span class="emphasis"><em>DefaultMessageListenerContainer</em></span> and <span class="emphasis"><em>JmsTemplate</em></span>. The + example below demonstrates how to do that </p><div class="example"><a id="d0e3184"></a><p class="title"><strong>Example D.2. Examples of configuring <span class="emphasis"><em>PooledConnectionFactory</em></span> with + <span class="emphasis"><em>DefaultMessageListenerContainer</em></span> and + <span class="emphasis"><em>JmsTemplate</em></span>.</strong></p><div class="example-contents"><pre class="programlisting"> +<bean id="jmsProducerTemplate" class="org.springframework.jms.core.JmsTemplate"> + <!-- set reference to pooledConnectionFactory bean --> + <property name="connectionFactory" ref="pooledConnectionFactory"></property> + <property name="defaultDestination" ref="destination" /> +</bean> + +<bean id="jmsContainer" class="org.springframework.jms.listener.DefaultMessageListenerContainer"> + <!-- set reference to pooledConnectionFactory bean --> + <property name="connectionFactory" ref="pooledConnectionFactory"/> + <property name="destination" ref="destination"/> + <property name="messageListener" ref="messageListener" /> +</bean></pre></div></div><p><br class="example-break" /> + </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>If using <code class="literal">DefaultMessageListenerContainer</code> with + <code class="literal">cacheLevel</code> set to <code class="literal">NONE</code> it is important that + <code class="literal">maxConcurrentConsumer</code> does not exceed the value of maximum pool size set + on <code class="literal">PooledConnectionFactory</code> bean. If this is not the case, once the number + of in-use connections reaches the the <span class="emphasis"><em>PooledConnectionFactory#maxPoolSize</em></span> + a new connection will be opened for each and every message receipt i.e. a connection per + message anti-pattern.</p></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Appendix-JMS-Extensions-Binding.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> <a accesskey="n" href="JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">C.2. Binding Management </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%"> Appendix E. How to bind Qpid destinations and connection factories into Tomcat JNDI</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html>
http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration.html b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration.html new file mode 100644 index 0000000..1f26e6c --- /dev/null +++ b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration.html @@ -0,0 +1,266 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. See the NOTICE file + - distributed with this work for additional information + - regarding copyright ownership. 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See the License for the + - specific language governing permissions and limitations + - under the License. + - +--> +<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en"> + <head> + <title>Appendix E. How to bind Qpid destinations and connection factories into Tomcat JNDI - Apache Qpid™</title> + <meta http-equiv="X-UA-Compatible" content="IE=edge"/> + <meta name="viewport" content="width=device-width, initial-scale=1.0"/> + <link rel="stylesheet" href="/site.css" type="text/css" async="async"/> + <link rel="stylesheet" href="/deferred.css" type="text/css" defer="defer"/> + <script type="text/javascript">var _deferredFunctions = [];</script> + <script type="text/javascript" src="/deferred.js" defer="defer"></script> + <!--[if lte IE 8]> + <link rel="stylesheet" href="/ie.css" type="text/css"/> + <script type="text/javascript" src="/html5shiv.js"></script> + <![endif]--> + + <!-- Redirects for `go get` and godoc.org --> + <meta name="go-import" + content="qpid.apache.org git https://git-wip-us.apache.org/repos/asf/qpid-proton.git"/> + <meta name="go-source" + content="qpid.apache.org +https://github.com/apache/qpid-proton/blob/go1/README.md +https://github.com/apache/qpid-proton/tree/go1{/dir} +https://github.com/apache/qpid-proton/blob/go1{/dir}/{file}#L{line}"/> + </head> + <body> + <div id="-content"> + <div id="-top" class="panel"> + <a id="-menu-link"><img width="16" height="16" src="" alt="Menu"/></a> + + <a id="-search-link"><img width="22" height="16" src="" alt="Search"/></a> + + <ul id="-global-navigation"> + <li><a id="-logotype" href="/index.html">Apache Qpid<sup>™</sup></a></li> + <li><a href="/documentation.html">Documentation</a></li> + <li><a href="/download.html">Download</a></li> + <li><a href="/discussion.html">Discussion</a></li> + </ul> + </div> + + <div id="-menu" class="panel" style="display: none;"> + <div class="flex"> + <section> + <h3>Project</h3> + + <ul> + <li><a href="/overview.html">Overview</a></li> + <li><a href="/components/index.html">Components</a></li> + <li><a href="/releases/index.html">Releases</a></li> + </ul> + </section> + + <section> + <h3>Messaging APIs</h3> + + <ul> + <li><a href="/proton/index.html">Qpid Proton</a></li> + <li><a href="/components/jms/index.html">Qpid JMS</a></li> + <li><a href="/components/messaging-api/index.html">Qpid Messaging API</a></li> + </ul> + </section> + + <section> + <h3>Servers and tools</h3> + + <ul> + <li><a href="/components/broker-j/index.html">Broker-J</a></li> + <li><a href="/components/cpp-broker/index.html">C++ broker</a></li> + <li><a href="/components/dispatch-router/index.html">Dispatch router</a></li> + </ul> + </section> + + <section> + <h3>Resources</h3> + + <ul> + <li><a href="/dashboard.html">Dashboard</a></li> + <li><a href="https://cwiki.apache.org/confluence/display/qpid/Index";>Wiki</a></li> + <li><a href="/resources.html">More resources</a></li> + </ul> + </section> + </div> + </div> + + <div id="-search" class="panel" style="display: none;"> + <form action="http://www.google.com/search"; method="get"> + <input type="hidden" name="sitesearch" value="qpid.apache.org"/> + <input type="text" name="q" maxlength="255" autofocus="autofocus" tabindex="1"/> + <button type="submit">Search</button> + <a href="/search.html">More ways to search</a> + </form> + </div> + + <div id="-middle" class="panel"> + <ul id="-path-navigation"><li><a href="/index.html">Home</a></li><li><a href="/releases/index.html">Releases</a></li><li><a href="/releases/qpid-java-6.1.7/index.html">Qpid for Java 6.1.7</a></li><li><a href="/releases/qpid-java-6.1.7/jms-client-0-8/book/index.html">Apache Qpid JMS Client for AMQP protocols 0-8, 0-9 and 0-9-1</a></li><li>Appendix E. How to bind Qpid destinations and connection factories into Tomcat JNDI</li></ul> + + <div id="-middle-content"> + <div class="docbook"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">Appendix E. How to bind Qpid destinations and connection factories into Tomcat JNDI</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="JMS-Client-0-8-Appendix-PooledConnecytionFactory.html">Prev</a> </td><th align="center" width="60%"> </th><td align="right" width="20%"> </td></tr></table><hr /></div><div class="appendix"><div class="titlepage"><div><div><h1 class="title"><a id="JMS-Client-0-8-Appendix-Tomcat-JNDI-Integration"></a>Appendix E. How to bind Qpid destinations and connection factories into Tomcat JNDI</h1></div></div></div><p> + Qpid client destinations and connection factories can be registered in external JNDI containers, for example, Tomcat JNDI implementation. + </p><p> + <code class="literal">org.apache.qpid.jndi.ObjectFactory</code> implements + <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/spi/ObjectFactory.html"; target="_top">javax.naming.spi.ObjectFactory</a> + allowing it to create instances of <code class="literal">AMQConnectionFactory</code>, <code class="literal">PooledConnectionFactory</code>, + <code class="literal">AMQConnection</code>, <code class="literal">AMQQueue</code> and <code class="literal">AMQTopic</code> in external JNDI container from + <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/Reference.html"; target="_top">javax.naming.Reference</a>s. + </p><p>Additionally, + <code class="literal">AMQConnectionFactory</code>, <code class="literal">PooledConnectionFactory</code> and <code class="literal">AMQDestination</code> (parent of + <code class="literal">AMQQueue</code> and <code class="literal">AMQTopic</code>) implement + <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/Referenceable.html"; target="_top">javax.naming.Referenceable</a> + allowing creation of <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/Reference.html"; target="_top">javax.naming.Reference</a> objects + for binding in external JNDI implementations. + </p><p> + <code class="literal">org.apache.qpid.jndi.ObjectFactory</code> allows the creation of: + </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p> + an instance of <code class="literal">ConnectionFactory</code> from a <code class="literal">Reference</code> containing reference + address (<a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/RefAddr.html"; target="_top">javax.naming.RefAddr</a>) + <code class="literal">connectionURL</code> with content set to a + <a class="link" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Connection URL</a>. + </p></li><li class="listitem"><p> + an instance of <code class="literal">PooledConnectionFactory</code> from a <code class="literal">Reference</code> containing reference + address (<a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/RefAddr.html"; target="_top">javax.naming.RefAddr</a>) + <code class="literal">connectionURL</code> with content set to a + <a class="link" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Connection URL</a>. + </p></li><li class="listitem"><p> + an instance of <code class="literal">AMQConnection</code> from a <code class="literal">Reference</code> containing reference + address (<a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/RefAddr.html"; target="_top">javax.naming.RefAddr</a>) + <code class="literal">connectionURL</code> with content set to a + <a class="link" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Connection URL</a>. + </p></li><li class="listitem"><p> + an instance of <code class="literal">AMQQueue</code> from a <code class="literal">Reference</code> containing reference + address (<a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/RefAddr.html"; target="_top">javax.naming.RefAddr</a>) + <code class="literal">address</code> with content set to either <a class="link" href="/releases/qpid-java-6.1.7/jms-client-0-10/book/" target="_top">Address</a> or + <a class="link" href="JMS-Client-0-8-Binding-URL.html" title="Chapter 8. Binding URL">Binding URL</a>. + </p></li><li class="listitem"><p> + an instance of <code class="literal">AMQTopic</code> from a <code class="literal">Reference</code> containing reference + address (<a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/RefAddr.html"; target="_top">javax.naming.RefAddr</a>) + <code class="literal">address</code> with content set to either <a class="link" href="/releases/qpid-java-6.1.7/jms-client-0-10/book/" target="_top">Address</a> or + <a class="link" href="JMS-Client-0-8-Binding-URL.html" title="Chapter 8. Binding URL">Binding URL</a>. + </p></li></ul></div><p> + </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p> + For <code class="literal">AMQQueue</code> and <code class="literal">AMQTopic</code> prefix <code class="literal">BURL:</code> need + to be specified for <a class="link" href="JMS-Client-0-8-Binding-URL.html" title="Chapter 8. Binding URL">Binding URL</a>. Otherwise, client will try + to parse content using <a class="link" href="/releases/qpid-java-6.1.7/jms-client-0-10/book/" target="_top">Address</a> format. + </p></div><p> + </p><p>An example below demonstrates how to create JNDI resources in the Tomcat container using Resource declarations in context.xml + (A Tomcat specific web application configuration file usually added into war under /META-INF/context.xml). + </p><div class="example"><a id="d0e3399"></a><p class="title"><strong>Example E.1. An example of Tomcat context.xml declaring Qpid JNDI resources</strong></p><div class="example-contents"><pre class="programlisting"> +<?xml version='1.0' encoding='utf-8'?> +<!DOCTYPE xml> +<Context> + + <Resource name="jms/connectionFactory" auth="Container" + type="org.apache.qpid.client.AMQConnectionFactory" + factory="org.apache.qpid.jndi.ObjectFactory" + connectionURL="amqp://guest:guest@clientid/?brokerlist='localhost:5672'"/> + + <Resource name="jms/pooledConnectionFactory" auth="Container" + type="org.apache.qpid.client.PooledConnectionFactory" + factory="org.apache.qpid.jndi.ObjectFactory" + connectionURL="amqp://guest:guest@clientid/?brokerlist='localhost:5672'" + maxPoolSize="20" connectionTimeout="60000"/> + + <Resource name="jms/queue" auth="Container" + type="org.apache.qpid.client.AMQQueue" + factory="org.apache.qpid.jndi.ObjectFactory" + address="BURL:direct://amq.direct//myQueue?durable='true'"/> + + <Resource name="jms/topic" auth="Container" + type="org.apache.qpid.client.AMQTopic" + factory="org.apache.qpid.client.AMQConnectionFactory" + address="BURL:topic://amq.topic//myTopic?routingkey='myTopic'"/> + +</Context></pre></div></div><br class="example-break" /><p>In the example above <code class="literal">AMQConnectionFactory</code> would be registered under JNDI name "jms/connectionFactory", + <code class="literal">PooledConnectionFactory</code> would be registered under JNDI name "jms/pooledConnectionFactory", + <code class="literal">Queue</code> "myQueue" would be registered under JNDI name "jms/queue" and JMS <code class="literal">Topic</code> + destination "myTopic" would be registered under JNDI name "jms/topic". (All resources will be bound under "java:comp/env"). + On declaration of <code class="literal">PooledConnectionFactory</code> optional maxPoolSize and connectionTimeout are set to + 20 and 60000 milliseconds accordingly. + </p><p> + The client application can find the resources declared in Tomcat context.xml using the code below: + </p><div class="example"><a id="d0e3423"></a><p class="title"><strong>Example E.2. An example of JNDI lookup for Qpid resources registered in Tomcat JNDI</strong></p><div class="example-contents"><pre class="programlisting"> + Context context = new InitialContext(); + Context environmentContext = (Context)context.lookup("java:comp/env"); + ... + ConnectionFactory connectionFactory = (ConnectionFactory) environmentContext.lookup("jms/connectionFactory"); + ... + Queue queue = (Queue)environmentContext.lookup("jms/queue"); + ... + Topic topic = (Topic)environmentContext.lookup("jms/topic"); + ...</pre></div></div><br class="example-break" /><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p> + In order to support backward compatibility <code class="literal">AMQConnectionFactory</code> continues to implement + <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/spi/ObjectFactory.html"; target="_top">javax.naming.spi.ObjectFactory</a> + and can be used to instantiate JNDI resources from + <a class="link" href="http://docs.oracle.com/javase/7/docs/api/javax/naming/Reference.html"; target="_top">javax.naming.Reference</a>s. + However, its method <code class="literal">getObjectInstance</code> is marked as <code class="literal">Deprecated</code> and will be + removed in future version of client. For backward compatibility, Qpid JNDI resources can be declared using fully + qualified class names as addresses. That will became unsupported in future version as well. + An example of Tomcat context.xml with declarations of JNDI resources using deprecated factory and addresses is provided below. + </p><div class="example"><a id="d0e3446"></a><p class="title"><strong>Example E.3. An example of Tomcat context.xml declaring Qpid JNDI resources using deprecated <code class="literal">ObjectFactory</code> and deprecated addresses</strong></p><div class="example-contents"><pre class="programlisting"> +<?xml version='1.0' encoding='utf-8'?> +<!DOCTYPE xml> +<Context> + + <Resource name="jms/queue" auth="Container" + type="org.apache.qpid.client.AMQQueue" + factory="org.apache.qpid.client.AMQConnectionFactory" + org.apache.qpid.client.AMQQueue="direct://amq.direct//myDurableQueue?durable='true'"/> + + <Resource name="jms/topic" auth="Container" + type="org.apache.qpid.client.AMQTopic" + factory="org.apache.qpid.client.AMQConnectionFactory" + org.apache.qpid.client.AMQTopic="topic://amq.topic//myTopic?routingkey='myTopic'"/> + + <Resource name="jms/connectionFactory" auth="Container" + type="org.apache.qpid.client.AMQConnectionFactory" + factory="org.apache.qpid.client.AMQConnectionFactory" + org.apache.qpid.client.AMQConnectionFactory="amqp://guest:guest@clientid/?brokerlist='localhost:5672'"/> + +</Context></pre></div></div><p><br class="example-break" /> + </p></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Appendix-PooledConnecytionFactory.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> </td></tr><tr><td align="left" valign="top" width="40%">Appendix D. PooledConnectionFactory </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%"> </td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Binding-URL.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Binding-URL.html b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Binding-URL.html new file mode 100644 index 0000000..4695eb2 --- /dev/null +++ b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Binding-URL.html @@ -0,0 +1,222 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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Binding URL Examples</a></span></dt><dd><dl><dt><span class="section"><a href="JMS-Client-0-8-Binding-URL.html#JMS-Client-0-8-Binding-URL-JMS-Queues">8.1.1. Binding URLs for declaring of JMS Queues</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Binding-URL.html#JMS-Client-0-8-Binding-URL-JMS-Topics">8.1.2. Binding URLs for declaring of JMS Topics</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Binding-URL.html#JMS-Client-0-8-Binding-URL-Topics-Wildcards">8.1.3. Wildcard characters in routing keys for topic destinations</a></span></dt><dt><span class="section"><a href="JMS-Client-0-8-Binding-URL.html#JMS-Client-0-8-Binding-URL-Extra-Examples">8.1.4. More Examples</a></span></dt></dl></dd></dl></div><p> The <span class="emphasis"><em>Binding URL</em></span> syntax for addressing<a class="footnote" href="#ftn.d0e1568" id="d0e1568"><sup class="footnote">[4]</sup></a>. It allows the specification of the bindings between a queue and an exchange, queue + and exchange creation arguments and some ancillary options.</p><p> The format for a <span class="emphasis"><em>Binding URL</em></span> is provided below </p><pre class="screen"> +<Exchange Class>://<Exchange Name>/[<Destination>]/[<Queue>][?<option>='<value>'[&<option>='<value>']] + </pre><p> where </p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><span class="emphasis"><em>Exchange Class</em></span>, specifies the type of the exchange, for example, + <span class="emphasis"><em>direct</em></span>,<span class="emphasis"><em>topic</em></span>,<span class="emphasis"><em>fanout</em></span>, etc. + </p></li><li class="listitem"><p><span class="emphasis"><em>Exchange Name</em></span>, specifies the name of the exchange, for example, + <span class="emphasis"><em>amq.direct</em></span>,<span class="emphasis"><em>amq.topic</em></span>, etc. </p></li><li class="listitem"><p><span class="emphasis"><em>Destination</em></span>, is an optional part of <span class="emphasis"><em>Binding + URL</em></span>. It can be used to specify a routing key with the non direct exchanges if + an option <span class="emphasis"><em>routingkey</em></span> is not specified. If both + <span class="emphasis"><em>Destination</em></span> and option <span class="emphasis"><em>routingkey</em></span> are + specified, then option <span class="emphasis"><em>routingkey</em></span> has precedence. </p></li><li class="listitem"><p><span class="emphasis"><em>Queue</em></span>, is an optional part of <span class="emphasis"><em>Binding URL</em></span> to + specify a queue name for JMS queue destination. It is ignored in JMS topic destinations. + Queue names may consist of any mixture of digits, letters, and underscores </p></li><li class="listitem"><p><span class="emphasis"><em>Options</em></span>, key-value pairs separated by '=' character specifying + queue and exchange creation arguments, routing key, client behaviour, etc. </p></li></ul></div><p> + </p><div class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Binding URL option quoting</h3><p>Take care with the quoting surrounding option values. Each option value + <span class="emphasis"><em>must</em></span> be surrounded with single quotes ('). </p></div><p> The following <span class="emphasis"><em>Binding URL</em></span> options are currently defined: </p><div class="table"><a id="d0e1659"></a><p class="title"><strong>Table 8.1. Binding URL options </strong></p><div class="table-contents"><table border="1" summary="Binding URL options " width="100%"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Option</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td><p>durable</p></td><td><p>boolean </p></td><td><p>Queue durability flag. If it is set to <span class="emphasis"><em>true</em></span>, a durable + queue is requested to create. The durable queue should be stored on the Broker and + remained there after Broker restarts until it is explicitly deleted. This option has + no meaning for JMS topic destinations, as by nature a topic destination only exists + when a subscriber is connected. If durability is required for topic destinations, + the durable subscription should be created.</p></td></tr><tr><td><p>exclusive</p></td><td><p>boolean </p></td><td><p>Queue exclusivity flag. The client cannot use a queue that was declared as + exclusive by another still-open connection.</p></td></tr><tr><td><p>autodelete</p></td><td><p>boolean </p></td><td><p>Queue auto-deletion flag. If it is set to <span class="emphasis"><em>true</em></span> on + queue creation, the queue is deleted if there are no remaining + subscribers.</p></td></tr><tr><td><p>exchangeautodelete</p></td><td><p>boolean </p></td><td><p>Exchange auto-deletion flag.</p></td></tr><tr><td><p>exchangedurable</p></td><td><p>boolean </p></td><td><p>Exchange durability flag. If it is set to <span class="emphasis"><em>true</em></span> when + creating a new exchange, the exchange will be marked as durable. Durable exchanges + should remain active after Broker restarts. Non-durable exchanges are deleted on + following Broker restart.</p></td></tr><tr><td><p>routingkey</p></td><td><p>string </p></td><td> + <p> Defines the value of the binding key to bind a queue to the exchange. It is + always required to specify for JMS topic destinations. If routing key option is not + set in <span class="emphasis"><em>Binding URL</em></span> and direct exchange class is specified, the + queue name is used as a routing key. <span class="emphasis"><em>MessagePublisher</em></span> uses + routing key to publish messages onto exchange. </p> + </td></tr><tr><td><p>browse</p></td><td><p>boolean </p></td><td><p>If set to <span class="emphasis"><em>true</em></span> on a destination for a message + consumer, such consumer can only read messages on the queue but cannot consume them. + The consumer behaves like a queue browser in this case.</p></td></tr><tr><td><a id="JMS-Client-0-8-Binding-URL-Options-RejectBehaviour"></a><p>rejectbehaviour</p></td><td><p>string </p></td><td><p>Defines the reject behaviour for the re-delivered messages. If set to + 'SERVER' the client delegates the requeue/DLQ decision to the server. If this option + is not specified, the messages won't be moved to the DLQ (or dropped) when delivery + count exceeds the maximum. </p></td></tr><tr><td><a id="JMS-Client-0-8-Binding-URL-Options-SendEncrypted"></a><p>sendencrypted</p></td><td><p>boolean </p></td><td><p>If true then encrypt every message sent to this address. </p></td></tr><tr><td><a id="JMS-Client-0-8-Binding-URL-Options-EncryptedRecipients"></a><p>encryptedrecipients</p></td><td><p>string </p></td><td><p>A semi-colon separated list of the names of the recipients who will be able to decrypt the + message. </p></td></tr><tr><td><a id="JMS-Client-0-8-Binding-URL-Options-DeliveryDelay"></a><p>deliveryDelay</p></td><td><p>long </p></td><td><p>The delay (in milliseconds) between the time a message is sent by a MessageProducer, and + the earliest time it becomes visible to consumers on any queue onto which it has been placed. Note that + this value only has an affect on brokers which support the feature (currently only the Apache Qpid + Broker for Java), and only on queues where delivery delay has been enabled.</p></td></tr></tbody></table></div></div><p><br class="table-break" /> + </p><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="JMS-Client-0-8-Binding-URL-Examples"></a>8.1. Binding URL Examples</h2></div></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Binding-URL-JMS-Queues"></a>8.1.1. Binding URLs for declaring of JMS Queues</h3></div></div></div><p>The Qpid client Binding URLs for JMS queue destinations can be declared using direct + exchange (Mostly it is a pre-defined exchange with a name "amq.direct". Also, custom direct + exchanges can be used.): </p><pre class="screen"> +direct://amq.direct//<Queue Name> + </pre><p> + </p><p>The Binding URLs for destinations created with calls to + <span class="emphasis"><em>Session.createQueue(String)</em></span> can be expressed as </p><pre class="screen"> +direct://amq.direct//<Queue Name>?durable='true' + </pre><p> The durability flag is set to <span class="emphasis"><em>true</em></span> in such destinations. </p><div class="example"><a id="d0e1825"></a><p class="title"><strong>Example 8.1. Binding URL examples for JMS queues</strong></p><div class="example-contents"><pre class="screen"> +direct://amq.direct//myNonDurableQueue +direct://amq.direct//myDurableQueue?durable='true' +direct://amq.direct//myAnotherQueue?durable='true'&routingkey='myqueue' +direct://amq.direct//myQueue?durable='true'&routingkey='myqueue'&rejectbehaviour='server' +direct://custom.direct//yetAnotherQueue + </pre></div></div><br class="example-break" /></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Binding-URL-JMS-Topics"></a>8.1.2. Binding URLs for declaring of JMS Topics</h3></div></div></div><p>The Binding URLs for JMS queue destinations can be declared using topic exchange (A + pre-defined exchange having name "amq.topic" is used mainly. However, custom topic exchanges + can be used as well): </p><pre class="screen"> +topic://amq.topic//<Queue name>?routingkey='<Topic Name>'&exclusive='true'&autodelete='true' + </pre><p> + </p><p>The Binding URLs for a topic destination created with calls to + <span class="emphasis"><em>Session.createTopic("hello")</em></span> is provided below: </p><div class="example"><a id="d0e1843"></a><p class="title"><strong>Example 8.2. Binding URL examples for JMS topics</strong></p><div class="example-contents"><pre class="screen"> +topic://amq.topic/hello/tmp_127_0_0_1_36973_1?routingkey='hello'&exclusive='true'&autodelete='true' + </pre></div></div><p><br class="example-break" /> + </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Binding-URL-Topics-Wildcards"></a>8.1.3. Wildcard characters in routing keys for topic destinations</h3></div></div></div><p> AMQP exchanges of class <span class="emphasis"><em>topic</em></span> can route messages to the queues + using special matches containing wildcard characters (a "#" matches one or more words, a "*" + matches a single word). The routing keys words are separated with a "." delimiter to + distinguish words for matching. Thus, if a consumer application specifies a routing key in + the destination like "usa.#", it should receive all the messages matching to that routing + key. For example, "usa.boston", "usa.new-york", etc. </p><p> The examples of the <span class="emphasis"><em>Binding URLs</em></span> having routing keys with + wildcards characters are provided below: </p><pre class="screen"> +topic://amq.topic?routingkey='stocks.#' +topic://amq.topic?routingkey='stocks.*.ibm' +topic://amq.topic?routingkey='stocks.nyse.ibm' + </pre><p> + </p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Binding-URL-Extra-Examples"></a>8.1.4. More Examples</h3></div></div></div><div class="table"><a id="d0e1868"></a><p class="title"><strong>Table 8.2. Binding URL examples</strong></p><div class="table-contents"><table border="1" summary="Binding URL examples"><colgroup><col /><col /></colgroup><thead><tr><th>Binding URL</th><th>Description</th></tr></thead><tbody><tr><td><p>fanout://amq.fanout//myQueue</p></td><td><p>Binding URL binding queue "myQueue" to predefined "amq.fanout" exchange + of class "fanout"</p></td></tr><tr><td><p>topic://custom.topic//anotherQueue?routingkey='aq'</p></td><td><p>Binding URL binding queue "anotherQueue" to the exchange with name + "custom.topic" of class "topic" using binding key "aq".</p></td></tr></tbody></table></div></div><br class="table-break" /></div></div><div class="footnotes"><br /><hr style="width:100; text-align:left;margin-left: 0" /><div class="footnote" id="ftn.d0e1568"><p><a class="para" href="#d0e1568"><sup class="para">[4] </sup></a>The client also supports the <span class="emphasis"><em>Address/ADDR</em></span> format. This is documented in <a class="link" href="/releases/qpid-java-6.1.7/jms-client-0-10/book/" target="_top">Using the Qpid AMQP 0-10 JMS Client</a>.</p></div></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Connection-URL.html">Prev</a> </td><td align="center" width="20%"> </td><td align="right" width="40%"> <a accesskey="n" href="JMS-Client-Message-Encryption.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">Chapte r 7. Connection URLs </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%"> Chapter 9. Message Encryption</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Connection.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Connection.html b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Connection.html new file mode 100644 index 0000000..43c5dc7 --- /dev/null +++ b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-Connection.html @@ -0,0 +1,215 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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The act of establishing a connection is therefore a relatively + expensive operation. It is recommended that the same connection is used for a series of + message interactions. Patterns utilising a connection per message should not be used. </p><p>The underlying TCP/IP connection remains open for the lifetime of the JMS connection. It + is closed when the application calls <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Connection.html#close()" target="_top">Connection#close()</a>, but it + can also be closed if the connection is closed from the Broker side (via a Management + operation or broker shutdown or running into conditions which AMQP specifications treats as + errors and mandates closing the connection). The JMS connection will also be closed if the + underlying TCP/IP connection is broken.</p><p>Qpid connections have failover and heartbeating capabilities. They support SSL and + client-auth. These are described in the sub-sections that follow.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Connection-Failover"></a>5.3.1. Failover</h3></div></div></div><p>Qpid connections support a failover feature. This is the ability to automatically + re-establish a failed connection, either to the same Broker, or the next Broker in the + broker list.</p><p>This failover process is done in a manner that is mostly transparent to the application. + After a successful failover, any existing Connection, Session, MessageConsumer and + MessageProducer objects held by the application remain valid.</p><p>If a failover occurs during the scope of a JMS Transaction, any work performed by that + transaction is lost. The application is made aware of this loss by way of the <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/TransactionRolledBackException.html"; target="_top">TransactionRolledBackException</a> from the <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html#commit"; target="_top">Session#commit()</a> call. + Applications utilising failover must be prepared to catch this exception and respond by + either repeating the work of the transaction, or by propagating a rollback to the + originating system.</p><p>If, after all retries are exhausted, failover has failed to reconnect the application, + the Connection's <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ExceptionListener.html"; target="_top">ExceptionListener</a> will receive a JMSException with a linked exception of <a class="link" href="JMS-Client-0-8-Appendix-Exceptions-AMQDisconnectedException" target="_top">AMQDisconnectedException</a>. Any further use of the JMS objects (Connection, Session + etc), will results in a <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/IllegalStateException.html"; target="_top">IllegalStateException</a>.</p><p>Configure failover using the Connection URL. Here's an example Connection URL utilising + failover between two brokers. Note the use of the broker options <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-Retries"><code class="literal">retries</code></a> and <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-ConnectDelay"><code class="literal">connectdelay</code></a> to control the number of connection attempts to + each individual broker, and the delay between each connection attempt. Also note the use of + the <span class="emphasis"><em>failover option</em></span> + <code class="literal">cyclecount</code> to control the number of times the failover mechanism will + traverse the brokerlist.</p><div class="example"><a id="d0e439"></a><p class="title"><strong>Example 5.1. Connection URL configured for failover</strong></p><div class="example-contents"><pre class="screen"> +amqp://username:password@clientid/test + ?brokerlist='tcp://localhost:15672?retries='10'&connectdelay='1000';tcp://localhost:25672?retries='10'&connectdelay='1000'' + &failover='roundrobin?cyclecount='20'' + </pre></div></div><br class="example-break" /><p>For full details see <a class="xref" href="JMS-Client-0-8-Connection-URL.html" title="Chapter 7. Connection URLs">Chapter 7, <em>Connection URLs</em></a></p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>Note, that a single broker failover is enabled by default. If the failover behaviour + is not desired it can be switched off by setting a failover option to + <code class="literal">nofailover</code> as in the example below </p><div class="example"><a id="d0e453"></a><p class="title"><strong>Example 5.2. Connection URL configured with nofailover</strong></p><div class="example-contents"><pre class="screen"> +amqp://username:password@clientid/test + ?brokerlist='tcp://localhost:15672?failover='nofailover' + </pre></div></div><p><br class="example-break" /> + </p></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Connection-Heartbeating"></a>5.3.2. Heartbeating</h3></div></div></div><p>Qpid connections support heartbeating. When enabled, the Client and Broker + exchange a heartbeat during periods of inactivity. This allows both peers to discover if the + TCP/IP connection becomes inoperable in a timely manner.</p><p>This feature is sometimes useful in applications that must traverse firewalls as the + heartbeat prevents connections from being closed during periods when there is no application + traffic.</p><p>It is also allows the both the JMS client and the Broker to confirm that the other is + <span class="emphasis"><em>minimally</em></span> responsive. (It does nothing however to determine the + health of the higher level tiers of application, for this reason, applications may implement + an application level heartbeat either in addition to, or instead of the heartbeat.</p><p>If the client ever fails to receive two consecutive heartbeats, the Connection will be + automatically closed and the Connection's <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/ExceptionListener.html"; target="_top">ExceptionListener</a> will + receive a JMSException with a linked exception of AMQDisconnectedException. Any further use + of the JMS objects (Connection, Session etc), will results in a <a class="link" href="http://docs.oracle.com/javaee/6/api/javax/jms/IllegalStateException.html"; target="_top">IllegalStateException</a>.</p><p>To enable heartbeating either use a Connection URL including the broker option <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-Heartbeat"><code class="literal">heartbeat</code></a>, or use the system property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-Heartbeat"><code class="literal">qpid.heartbeat</code></a>. </p><div class="example"><a id="d0e489"></a><p class="title"><strong>Example 5.3. Connection URL configured for heartbeating</strong></p><div class="example-contents"><pre class="screen"> +amqp://guest:guest@clientid/?brokerlist='localhost:5672?heartbeat='5'' + </pre></div></div><br class="example-break" /></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Connection-SSL"></a>5.3.3. SSL</h3></div></div></div><p>The Client supports connections encrypted using Secure Socket Layer (SSL) and + SSL-Client Authentication. SSL is configured using Connection URL. To use SSL, SSL must be + be configured on the Broker.</p><p>Some example Connection URLs using SSL follow:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p>Simple SSL when the Broker is secured by a certificate that is signed by a CA which + is trusted by the JVM.</p><div class="example"><a id="d0e505"></a><p class="title"><strong>Example 5.4. Connection URL configured for SSL - CA trusted by JVM</strong></p><div class="example-contents"><pre class="screen"> +amqp://guest:guest@clientid/?brokerlist='localhost:5671'&ssl='true' + </pre></div></div><br class="example-break" /></li><li class="listitem"><p>SSL when the Broker is secured by a certificate that is signed by a CA which is NOT + trusted by the JVM (such as when a organisation is using a private CA, or self-signed + certificates are in use). For this case, we use <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-TrustStore"><code class="literal">trust_store</code></a> and <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-TrustStorePassword"><code class="literal">trust_store_password</code></a> to specify a path a truststore file + (containing the certificate of the private-CA) and the truststore password.</p><div class="example"><a id="d0e521"></a><p class="title"><strong>Example 5.5. Connection URL configured for SSL - CA not trusted by JVM</strong></p><div class="example-contents"><pre class="screen"> +amqp://guest:guest@clientid/?brokerlist='localhost:5671?trust_store='/path/to/acme_org_ca.ts'&trust_store_password='secret''&ssl='true' + </pre></div></div><br class="example-break" /></li><li class="listitem"><p>SSL with SSL client-auth. For this case, we use <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-KeyStore"><code class="literal">key_store</code></a> and <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-KeyStorePassword"><code class="literal">key_store_password</code></a> to specify a path a keystore file + (containing the certificate of the client) and the keystore password.</p><div class="example"><a id="d0e537"></a><p class="title"><strong>Example 5.6. Connection URL configured for SSL - SSL client-auth</strong></p><div class="example-contents"><pre class="screen"> +amqp://guest:guest@clientid/?brokerlist='localhost:5671?key_store='/path/to/app1_client_cert.ks'&key_store_password='secret''&ssl='true' + </pre></div></div><br class="example-break" /><p>Alternatively we can use <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-ClientCertPath"><code class="literal">client_cert_path</code></a> and <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-BrokerOptions-ClientCertPrivKeyPath"><code class="literal">client_cert_priv_key_ath</code></a> to specify a path to a certificate file (in PEM or DER format) + and the private key information (again in either PEM or DER format) respectively.</p><div class="example"><a id="d0e552"></a><p class="title"><strong>Example 5.7. Connection URL configured for SSL - SSL client-auth (2)</strong></p><div class="example-contents"><pre class="screen"> +amqp://guest:guest@clientid/?brokerlist='localhost:5671?client_cert_path='/path/to/app1_client.crt'&client_cert_priv_key_path='/path/to/app1_client.key''&ssl='true' + </pre></div></div><br class="example-break" /></li></ul></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a id="JMS-Client-0-8-Client-Understanding-Connection-MessageCompression"></a>5.3.4. Message Compression</h3></div></div></div><p>The client has the ability to transparently compress message payloads on outgoing + messages and decompress them on incoming messages. In some environments and with some + payloads this feature might offer performance improvements by reducing the number of bytes + transmitted over the connection.</p><p>In order to make use of message compression, the Broker must enable the feature too, + otherwise the compression options will be ignored.</p><p> To enable message compression on the client use the connection url property <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-CompressMessages"><code class="literal">compressMessages</code></a> (or JVM wide using the system property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-ConnectionCompressMessages"><code class="literal">qpid.connection_compress_messages</code></a>)</p><p>It is also possible to control the threshold at which the client will begin to compress + message payloads. See connection url property <a class="link" href="JMS-Client-0-8-Connection-URL.html#JMS-Client-0-8-Connection-URL-ConnectionOptions-MessageCompressionThresholdSize"><code class="literal">messageCompressionThresholdSize</code></a> (or JVM wide using the system + property <a class="link" href="JMS-Client-0-8-System-Properties.html#JMS-Client-0-8-System-Properties-MessageCompressionThresholdSize"><code class="literal">qpid.message_compression_threshold_size</code></a>)</p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>The Broker, where necessary, takes care of compressing/decompressing messages of the + fly so that clients using message compression can exchange messages with clients not + supporting message compression transparently, without application intervention.</p></div></div><div class="footnotes"><br /><hr style="width:100; text-align:left;margin-left: 0" /><div class="footnote" id="ftn.d0e384"><p><a class="para" href="#d0e384"><sup class="para">[3] </sup></a>Constructors of the AMQConnection class must not be used.</p></div></div></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding-ConnectionFactory.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="JMS-Client-0-8-Client-Understanding-Session.html">Next</a></td></tr><tr><td align="left" valign="top" width="40%">5.2. ConnectionFactory </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td a lign="right" valign="top" width="40%"> 5.4. Session</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> http://git-wip-us.apache.org/repos/asf/qpid-site/blob/d1947fd4/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-ConnectionFactory.html ---------------------------------------------------------------------- diff --git a/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-ConnectionFactory.html b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-ConnectionFactory.html new file mode 100644 index 0000000..2eee54b --- /dev/null +++ b/content/releases/qpid-java-6.1.7/jms-client-0-8/book/JMS-Client-0-8-Client-Understanding-ConnectionFactory.html @@ -0,0 +1,151 @@ +<!DOCTYPE html> +<!-- + - + - Licensed to the Apache Software Foundation (ASF) under one + - or more contributor license agreements. 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The + InitialContext is itself obtained from an InitialContextFactory. </p><p>The Client provides a single implementation of the InitialContextFactory in class + <code class="literal">org.apache.qpid.jndi.PropertiesFileInitialContextFactory</code>. This + implementation is backed by a <a class="link" href="http://docs.oracle.com/javaee/6/api/java/util/Properties.html"; target="_top">Properties</a> object which can of course be loaded from an external properties file, + or created programatically.</p><p>The examples in the previous chapter illustrated the Java code required to <a class="link" href="JMS-Client-0-8-Examples.html#JMS-Client-0-8-Examples-PTP" title="4.1. Point to point example">create the InitialContext</a> and an <a class="link" href="JMS-Client-0-8-Examples.html#JMS-Client-0-8-Examples-PTP-PropertiesFile" title="Example 4.2. JMS Example - Point to Point Messaging - JNDI Properties">example properties file</a>.</p><p>The Client also provides an alternate connection factory implementation providing a + connection pool. This can be useful when utilsing frameworks such as Spring. + <a class="xref" href="JMS-Client-0-8-Appendix-PooledConnecytionFactory.html" title="Appendix D. PooledConnectionFactory">Appendix D, <em>PooledConnectionFactory</em></a>.</p><div class="figure"><a id="d0e369"></a><p class="title"><strong>Figure 5.2. JNDI overview</strong></p><div class="figure-contents"><div class="mediaobject"><img alt="JNDI overview" src="images/JndiOverview.png" /></div></div></div><br class="figure-break" /><p>Note that the Apache Qpid Broker for Java does not present a JNDI interface to the application.</p></div><div class="navfooter"><hr /><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="JMS-Client-0-8-Client-Understanding.html">Prev</a> </td><td align="center" width="20%"><a accesskey="u" href="JMS-Client-0-8-Client-Understanding.html">Up</a></td><td align="right" width="40%"> <a accesskey="n" href="JMS-Client-0-8-Client-Understanding-Connection.html">Next</a></td> </tr><tr><td align="left" valign="top" width="40%">Chapter 5. Understanding the Client </td><td align="center" width="20%"><a accesskey="h" href="JMS-Client-Book.html">Home</a></td><td align="right" valign="top" width="40%"> 5.3. Connection</td></tr></table></div></div> + + <hr/> + + <ul id="-apache-navigation"> + <li><a href="http://www.apache.org/";>Apache</a></li> + <li><a href="http://www.apache.org/licenses/";>License</a></li> + <li><a href="http://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li> + <li><a href="http://www.apache.org/foundation/thanks.html";>Thanks!</a></li> + <li><a href="/security.html">Security</a></li> + <li><a href="http://www.apache.org/";><img id="-apache-feather" width="48" height="14" src="" alt="Apache"/></a></li> + </ul> + + <p id="-legal"> + Apache Qpid, Messaging built on AMQP; Copyright © 2015 + The Apache Software Foundation; Licensed under + the <a href="http://www.apache.org/licenses/LICENSE-2.0";>Apache + License, Version 2.0</a>; Apache Qpid, Qpid, Qpid Proton, + Proton, Apache, the Apache feather logo, and the Apache Qpid + project logo are trademarks of The Apache Software + Foundation; All other marks mentioned may be trademarks or + registered trademarks of their respective owners + </p> + </div> + </div> + </div> + </body> +</html> --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
