THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Direct
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VM
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Component
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Available
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as
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of
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Camel
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2.10
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The
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direct-vm:
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component
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provides
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direct,
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synchronous
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invocation
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of
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any
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consumers
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in
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the
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JVM
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when
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a
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producer
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sends
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a
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message
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exchange.
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This
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endpoint
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can
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be
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used
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to
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connect
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existing
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routes
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in
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the
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same
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camel
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context,
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as
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well
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from
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other
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camel
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contexts
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in
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the
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same
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JVM.
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This
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component
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differs
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from
...
the
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component
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in
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that
...
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supports
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communication
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across
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CamelContext
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instances
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-
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so
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you
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can
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use
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this
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mechanism
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to
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communicate
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across
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web
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applications
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(provided
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that
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camel-core.jar
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is
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on
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the
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system/boot
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classpath).
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At
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runtime
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you
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can
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swap
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in
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new
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consumers,
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by
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stopping
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the
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existing
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consumer(s)
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and
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start
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new
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consumers.
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But
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at
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any
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given
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time
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there
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can
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be
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at
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most
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only
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one
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active
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consumer
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for
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a
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given
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endpoint.
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This
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component
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allows
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also
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to
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connect
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routes
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deployed
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in
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different
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OSGI
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Bundles
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as
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you
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can
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see
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here
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after.
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Even
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if
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they
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are
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running
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in
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different
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bundles,
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the
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camel
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routes
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will
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use
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the
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same
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thread.
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That
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autorises
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to
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develop
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applications
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using
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Transactions
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- Tx.
URI format
| Code Block |
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Tx. !camel-direct-vm.png|border=1,width=700px! h3. URI format {code} direct-vm:someName {code} |
Where someName can be any string to uniquely identify the endpoint
Options
| Wiki Markup |
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Where *someName* can be any string to uniquely identify the endpoint h3. Options {div:class=confluenceTableSmall} || Name || Default Value || Description || | {{block}} | {{false}} | *Camel 2.11.1:* If sending a message to a direct endpoint which has no active consumer, then we can tell the producer to block and wait for the consumer to become active. | | {{timeout}} | {{30000}} | *Camel 2.11.1:* The timeout value to use if block is enabled. | {div} h3. Samples In the route below we use the direct component to link the two routes together: {code:java} |
Samples
In the route below we use the direct component to link the two routes together:
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from("activemq:queue:order.in")
.to("bean:orderServer?method=validate")
.to("direct-vm:processOrder");
{code}
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And
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now
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in
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another
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CamelContext,
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such
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as
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another
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OSGi
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bundle
| Code Block | ||||
|---|---|---|---|---|
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{code:java} from("direct-vm:processOrder") .to("bean:orderService?method=process") .to("activemq:queue:order.out"); {code} |
And
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the
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sample
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using
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spring
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DSL:
| Code Block | ||||
|---|---|---|---|---|
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{code:xml} <route> <from uri="activemq:queue:order.in"/> <to uri="bean:orderService?method=validate"/> <to uri="direct-vm:processOrder"/> </route> <route> <from uri="direct-vm:processOrder"/> <to uri="bean:orderService?method=process"/> <to uri="activemq:queue:order.out"/> </route> {code} {include:Endpoint See Also} - [Direct] - [SEDA] - [VM] |
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