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This commit is contained in:
Mark Fisher
2009-07-03 17:21:24 +00:00
parent 77a8e37786
commit 10319d7dda
1 changed files with 14 additions and 8 deletions
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22
spring-integration-reference/src/channel-adapter.xml
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@@ -6,9 +6,9 @@
<para>
A Channel Adapter is a Message Endpoint that enables connecting a single sender or receiver to a Message Channel.
Spring Integration provides a number of adapters out of the box to support various transports, such as JMS, File,
etc. Those will be discussed in upcoming chapters of this reference guide. However, this chapter focuses on the
simple but flexible Method-invoking Channel Adapter support. There is an inbound and outbound adapter, and each
may be configured with XML elements provided in the core namespace.
HTTP, Web Services, and Mail. Those will be discussed in upcoming chapters of this reference guide. However, this
chapter focuses on the simple but flexible Method-invoking Channel Adapter support. There are both inbound and
outbound adapters, and each may be configured with XML elements provided in the core namespace.
</para>
<section id="channel-adapter-namespace-inbound">
@@ -18,9 +18,9 @@
value to a <interfacename>MessageChannel</interfacename> after converting it to a <classname>Message</classname>.
When the adapter's subscription is activated, a poller will attempt to receive messages from the source. The
poller will be scheduled with the <interfacename>TaskScheduler</interfacename> according to the provided
configuration. To configure the polling 'interval' or 'cronExpression' for an individual channel-adapter's
schedule, provide a 'poller' element with either an 'interval-trigger' (in milliseconds) or 'cron-trigger'
sub-element:
configuration. To configure the polling interval or cron expression for an individual channel-adapter,
provide a 'poller' element with either an 'interval-trigger' (in milliseconds) or 'cron-trigger'
sub-element.
<programlisting language="xml"><![CDATA[<inbound-channel-adapter ref="source1" method="method1" channel="channel1">
<poller>
<interval-trigger interval="5000"/>
@@ -29,17 +29,23 @@
<inbound-channel-adapter ref="source2" method="method2" channel="channel2">
<poller>
<cron-trigger expression="30 * * * * MON-FRI"/>
<cron-trigger expression="30 * 9-17 * * MON-FRI"/>
</poller>
</channel-adapter>]]></programlisting>
</para>
<note>
<para>
If no poller is provided, then a single default poller must be registered within the context.
See <xref linkend="endpoint-namespace"/> for more detail.
</para>
</note>
</section>
<section id="channel-adapter-namespace-outbound">
<title>The &lt;outbound-channel-adapter/&gt; element</title>
<para>
An "outbound-channel-adapter" element can also connect a <interfacename>MessageChannel</interfacename> to any
method that should be invoked with the payload of any Message sent to that channel.
method that should be invoked with the payload of Messages sent to that channel.
<programlisting language="xml"><![CDATA[<outbound-channel-adapter channel="channel1" ref="target1" method="method1"/>]]></programlisting>
If the channel being adapted is a <interfacename>PollableChannel</interfacename>, provide a poller sub-element:
<programlisting language="xml"><![CDATA[<outbound-channel-adapter channel="channel2" ref="target2" method="method2">