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Chapter 31. Direct
Direct Component
The direct: component provides direct, synchronous invocation of any consumers when a producer sends a message exchange. This endpoint can be used to connect existing routes in the same camel context.
Note
The SEDA component provides asynchronous invocation of any consumers when a producer sends a message exchange.
Note
The VM component provides connections between Camel contexts as long they run in the same JVM.
URI format
direct:someName[?options]
Where someName can be any string to uniquely identify the endpoint
Options
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. |
You can append query options to the URI in the following format,
?option=value&option=value&...
Samples
In the route below we use the direct component to link the two routes together:
from("activemq:queue:order.in") .to("bean:orderServer?method=validate") .to("direct:processOrder"); from("direct:processOrder") .to("bean:orderService?method=process") .to("activemq:queue:order.out");
And the sample using spring DSL:
<route> <from uri="activemq:queue:order.in"/> <to uri="bean:orderService?method=validate"/> <to uri="direct:processOrder"/> </route> <route> <from uri="direct:processOrder"/> <to uri="bean:orderService?method=process"/> <to uri="activemq:queue:order.out"/> </route>
See also samples from the SEDA component, how they can be used together.