[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2554) Adding a StatefulKnowledgeSessionAware Interface
[
https://jira.jboss.org/browse/JBRULES-2554?page=com.atlassian.jira.plugin...
]
Anatoly Polinsky commented on JBRULES-2554:
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This can be used by developers implementing custom behavior, but one frequent usage for
this is when registering WorkItemHandler
{code}
if ( wih instanceof StatefulKnowledgeSessionAware ) {
( ( StatefulKnowledgeSessionAware ) wih ).setStatefulKnowledgeSession( ksession );
}
{code}
which would make more sense to be done by the framework itself, because the case is quite
common where a work item handler need an access to a session for various reasons.
so, the above code snippet would belong to XyzWorkItemManager:
{code}
public void registerWorkItemHandler(String workItemName, WorkItemHandler handler) {
// HERE
this.workItemHandlers.put(workItemName, handler);
}
{code}
/Anatoly
Adding a StatefulKnowledgeSessionAware Interface
------------------------------------------------
Key: JBRULES-2554
URL: https://jira.jboss.org/browse/JBRULES-2554
Project: Drools
Issue Type: Feature Request
Security Level: Public(Everyone can see)
Components: drools-api
Affects Versions: 5.1.0.M2
Environment: N/A
Reporter: Anatoly Polinsky
Assignee: Mark Proctor
Priority: Minor
Attachments: StatefulKnowledgeSessionAware.java
Original Estimate: 1 hour
Remaining Estimate: 1 hour
Interface to be implemented by any object that wishes to be notified of the {@link
org.drools.runtime.StatefulKnowledgeSession} that it runs in.
Implementing this interface makes sense for example when an object requires access to
session artifacts/details such as rule facts, sessionID, etc.
This interface can be implemented by a custom {@link
org.drools.process.instance.WorkItemHandler} in case, for example, it needs to access a
session to insert / retract some facts before proceeding further to the process node that
fires rules ( groups, agendas, etc.. ).
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