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Difference between revisions of "SMILA/Documentation/QueueWorker/Router"
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Revision as of 08:24, 14 November 2008
What is Router
The main goal of Router is to put Record into JMS queue but it also make any Queue Worker specific tasks like executing BPEL piplene.
Interface
public enum Operation { ADD, DELETE, NONE }
public interface Router extends QueueWorker { void route(Record record, Operation operation) throws RouterException; }
Configuration
Schema: "org.eclipse.smila.connectivity.queue.worker/schemas/QueueWorkerConfig.xsd" Location: "configuration/org.eclipse.smila.connectivity.queue.worker/RouterConfig.xml"
Configuration is a list of routing rules.
Configuration Sample
<RouterConfig xmlns="http://www.eclipse.org/smila/queue" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="schemas/QueueWorkerConfig.xsd" > <Rule Name="Default ADD Rule"> <Condition>Operation='ADD'</Condition> <Task> <Synchronize Filter="only-attributes"/> <Send BrokerId="broker1" Queue="SMILA.connectivity"/> </Task> </Rule> <Rule Name="Default DELETE Rule"> <Condition>Operation='DELETE'</Condition> <Task> <Synchronize Filter="no-filter"/> <Send BrokerId="broker1" Queue="SMILA.connectivity"> <SetProperty Name="doSomething">really do something</SetProperty> </Send> </Task> </Rule> </RouterConfig>
Condition
Processing Rule is found 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. [| spec]
For Router it operates with two properties
- Operation
- DataSourceID