THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Available as of Camel 2.7
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Deprecated do NOT use |
The context component allows you to create new Camel Components from a CamelContext with a number of routes which is then treated as a black box, allowing you to refer to the local endpoints within the component from other CamelContexts.
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Maven users will need to add the following dependency to their pom.xml for this component:
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<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-context</artifactId>
<version>x.x.x</version>
<!-- use the same version as your Camel core version -->
</dependency>
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URI format
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context:camelContextId:localEndpointName[?options]
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Or you can omit the "context:" prefix.
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camelContextId:localEndpointName[?options]
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This can be done in the usual Camel way from this test case (see the createRegistry() method); this example shows Java and JNDI being used...
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// lets create our black box as a camel context and a set of routes
DefaultCamelContext blackBox = new DefaultCamelContext(registry);
blackBox.setName("blackBox");
blackBox.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
// receive purchase orders, lets process it in some way then send an invoice
// to our invoice endpoint
from("direct:purchaseOrder").
setHeader("received").constant("true").
to("direct:invoice");
}
});
blackBox.start();
registry.bind("accounts", blackBox);
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Notice in the above route we are using pure local endpoints (direct and seda). Also note we expose this CamelContext using the accounts ID. We can do the same thing in Spring via
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<camelContext id="accounts" xmlns="http://camel.apache.org/schema/spring">
<route>
<from uri="direct:purchaseOrder"/>
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<to uri="direct:invoice"/>
</route>
</camelContext>
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For example if we wish to then expose this accounts black box on some middleware (outside of the black box) we can do things like...
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<camelContext xmlns="http://camel.apache.org/schema/spring">
<route>
<!-- consume from an ActiveMQ into the black box -->
<from uri="activemq:Accounts.PurchaseOrders"/>
<to uri="accounts:purchaseOrders"/>
</route>
<route>
<!-- lets send invoices from the black box to a different ActiveMQ Queue -->
<from uri="accounts:invoice"/>
<to uri="activemq:UK.Accounts.Invoices"/>
</route>
</camelContext>
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