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13.7.2. Aggregator
| Class |  org.jboss.soa.esb.actions.Aggregator  | 
		This is a message aggregation action.  It is an implementation of the aggregator enterprise integration pattern. (see http://www.enterpriseintegrationpatterns.com/Aggregator.html.)
	
		This action relies on all messages having the correct correlation data. This data is set on the message as a property called "aggregatorTag" (Message.Properties). See the ContentBasedRouter and StaticRouter actions.
	
		The data has the following format:
	
[UUID] ":" [message-number] ":" [message-count]
[UUID] ":" [message-number] ":" [message-count]
		If all the messages have been received by the aggregator, it returns a new Message containing all the messages as part of the Message.Attachment list (unnamed), otherwise the action returns null.
	
| Property | Description | Required | 
|---|---|---|
| timeoutInMillis |   
						Timeout time in milliseconds before the aggregation process times out.
					 
					  | No | 
<action class="org.jboss.soa.esb.actions.Aggregator" name="Aggregator">
    <property name="timeoutInMillies" value="60000"/>
</action>
<action class="org.jboss.soa.esb.actions.Aggregator" name="Aggregator">
    <property name="timeoutInMillies" value="60000"/>
</action>