[esb-issues] [JBoss JIRA] Created: (JBESB-2830) Add Stream Mode support to BusinessRulesProcessor
Add Stream Mode support to BusinessRulesProcessor
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Key: JBESB-2830
URL: https://jira.jboss.org/jira/browse/JBESB-2830
Project: JBoss ESB
Issue Type: Feature Request
Security Level: Public (Everyone can see)
Reporter: Jeff DeLong
The BusinessRulesProcessor should support configuration for "StreamMode" with
StatelessKnowledgeSessions. Most CEP applications will require StreamMode to enable
sliding window support, garbage collection of expired facts, etc. This is really important
(a necessity), and is turned on through the API.
This would require configuration such as
<action class="org.jboss.soa.esb.actions.BusinessRulesProcessor"
name="OrderCountHistory">
<property name="ruleSet" value="OrderCount.drl"/>
<property name="ruleReload" value="true"/>
<property name="stateful" value="true"/>
<property name="vventProcessingOption " value="STREAM"/>
The code to use this would be something like:
kconfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kconfig.setOption( EventProcessingOption.STREAM );
kbase = readKnowledgeBase(kconfig);
sconfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
sconfig.setOption( ClockTypeOption.get( ClockType.REALTIME_CLOCK.getId() ) );
ksession = kbase.newStatefulKnowledgeSession(sconfig, null);
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