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INT-1912 fixed documentation regarding 'release-strategy-expression' which has List<Messages> as the root object of SpEL Context (not Message)

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Oleg Zhurakousky
2011-05-23 19:39:36 -04:00
parent d56471edba
commit bc498f78be
1 changed files with 4 additions and 2 deletions
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6
docs/src/reference/docbook/aggregator.xml
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@@ -555,12 +555,14 @@
</para>
<para>
Likewise, for the <interfacename>ReleaseStrategy</interfacename> you can implement your release logic via
a SpEL expression and configure it via the <code>release-strategy-expression</code> attribute.
a SpEL expression and configure it via the <code>release-strategy-expression</code> attribute.
The only exception is that since ReleaseStrategy is passed the List of Messages the the root object in the SopEL
Evaluation context is the List itself which can be referenced as <code>#this</code>.
</para>
<para>
For example:
<programlisting language="xml"><![CDATA[release-strategy-expression="payload.size() gt 5"]]></programlisting>
<programlisting language="xml"><![CDATA[release-strategy-expression="#this.size() gt 5"]]></programlisting>
In this example the root object of the SpEL Evaluation Context is the
<interfacename>MessageGroup</interfacename> itself, and you are simply stating