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| − | == What is Listener==
| + | {{note|This has been removed in SMILA 0.9 by the [[SMILA/Documentation/JobManager|JobManager framework]]}} |
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| − | The main goal of Listener is to get Record from JMS queue and process by BPEL workflow but it also make any [[SMILA/Documentation/QueueWorker|Queue Worker]] specific tasks like resending Record into new JMS Queue, see [[SMILA/Documentation/QueueWorker/Tasks|Router/Listener Tasks]].
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| − | == Interface ==
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| − | there is no public interface. Its only possible to manually change workers quantity for every Rule by JMX management API/console. It may be useful for workload balancing.
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| − | == Configuration ==
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| − | Schema: "org.eclipse.smila.connectivity.queue.worker/schemas/QueueWorkerConfig.xsd"
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| − | Location: "configuration/org.eclipse.smila.connectivity.queue.worker/ListenerConfig.xml"
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| − | Configuration is a list of listening rules.
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| − | There are only three difference with [[SMILA/Documentation/QueueWorker/Router|Router]] rules:
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| − | * <Source BrokerId="broker1" Queue="SMILA.connectivity"/> - source queue reference (BrokerID should be specified in [[SMILA/Documentation/QueueWorker/BrokerConnectionService|Broker Connection Service]] configuration).
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| − | * WaitMessageTimeout - timeout (in seconds) for attempts to pull JMS message from queue, default value is 1 second.
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| − | * Workers - startup number of threads to listen queue under this rule, by default it is 1 thread.
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| − | Look at the [[SMILA/Documentation/QueueWorker/Router|Router]] documentation for complete list of tags/operations common for Listener and Router
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| − | == Condition ==
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| − | Each listener Rule is a set of Queue consumers (workers) grouped by value of Condition tag. Condition is a String whose syntax is based on a subset of the SQL92 conditional expression syntax pointed in JMS specification ( [[http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/jms/Message.html | spec]] ) and it's absolutely the same syntax that used in [[SMILA/Documentation/QueueWorker/Router|Router]] Condition tag.
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| − | There are two JMS properties supported during all queue related processes in router/listener
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| − | * Operation
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| − | * DataSourceID
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| − | Other properties may also be added/used in conditions, look at the second configuration sample below.
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| − | As it was already mentioned above, look at the [[SMILA/Documentation/QueueWorker/Router|Router]] and see [[SMILA/Documentation/QueueWorker/Tasks|Router/Listener Tasks]] documentation pages for details.
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| − | [[Category:SMILA]]
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