Add conversational intents as described in the assembly spec
------------------------------------------------------------
Key: TUSCANY-2112
URL: https://issues.apache.org/jira/browse/TUSCANY-2112
Project: Tuscany
Issue Type: Improvement
Components: Java SCA Core Runtime
Affects Versions: Java-SCA-1.1
Environment: All
Reporter: Simon Laws
Priority: Minor
Fix For: Java-SCA-Next
I've been looking at the parts for the assembly spec that deal with
conversational semantics and there are a couple of gaps when
compared with the current TUscany implementation. In particular Tuscany only
supports annotations in Java interfaces when declaring
conversational behaviour.
Section 1.5.3 describes the use of policy intents for specifying conversational
behaviour
819 interface type. Note that it is also possible for a service or a reference
to set the conversational
820 intent when using an interface which is not marked with the conversational
intent. This can be
821 useful when reusing an existing interface definition that does not contain
SCA information.
I assume this meansa service could have a "conversational" intent
<component name="ConversationalServiceStateless">
<implementation.java
class="org.apache.tuscany.sca.itest.conversational.impl.ConversationalServiceStatelessImpl"/>
<service name="ConversationalService" requires="Conversational">
<interface.java
interface="org.apache.tuscany.sca.itest.conversational.ConversationalService"
callbackInterface="org.apache.tuscany.sca.itest.conversational.ConversationalCallback"
/>
<binding.ws/>
<callback>
<binding.ws/>
</callback>
</service>
</component>
as could a reference
<component name="ConversationalStatelessClientStatefulService">
<implementation.java
class="org.apache.tuscany.sca.itest.conversational.impl.ConversationalClientStatelessImpl"/>
<reference name="conversationalReferenceClient"
target="ConversationalReferenceClient"/>
<reference name="conversationalService" requires="Conversational"
target="ConversationalServiceStateful">
<interface.java
interface="org.apache.tuscany.sca.itest.conversational.ConversationalService"
callbackInterface="org.apache.tuscany.sca.itest.conversational.ConversationalCallback"
/>
<binding.ws/>
<callback>
<binding.ws/>
</callback>
</reference>
<reference name="conversationalService2"
target="ConversationalServiceStateful">
<binding.ws/>
</reference>
</component>
It's not clear from the spec if there should be an EndsConversation intent for
operations.
These intents would drive the existing underlying conversational functionality
by augmenting the interface model will appropriate
conversation information.
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