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Durable SubscriberCamel supports the Durable Subscriber from the EIP patterns using the JMS component which supports publish & subscribe using Topics with support for non-durable and durable subscribers.
Another alternative is to combine the Message Dispatcher or Content Based Router with File or JPA components for durable subscribers then something like Seda for non-durable. Here is a simple example of creating durable subscribers to a JMS topic Using the Fluent Builders
from("direct:start").to("activemq:topic:foo");
from("activemq:topic:foo?clientId=1&durableSubscriptionName=bar1").to("mock:result1");
from("activemq:topic:foo?clientId=2&durableSubscriptionName=bar2").to("mock:result2");
Using the Spring XML Extensions
<route>
<from uri="direct:start"/>
<to uri="activemq:topic:foo"/>
</route>
<route>
<from uri="activemq:topic:foo?clientId=1&durableSubscriptionName=bar1"/>
<to uri="mock:result1"/>
</route>
<route>
<from uri="activemq:topic:foo?clientId=2&durableSubscriptionName=bar2"/>
<to uri="mock:result2"/>
</route>
Here is another example of JMS durable subscribers, but this time using virtual topics (recommended by AMQ over durable subscriptions) Using the Fluent Builders
from("direct:start").to("activemq:topic:VirtualTopic.foo");
from("activemq:queue:Consumer.1.VirtualTopic.foo").to("mock:result1");
from("activemq:queue:Consumer.2.VirtualTopic.foo").to("mock:result2");
Using the Spring XML Extensions
<route>
<from uri="direct:start"/>
<to uri="activemq:topic:VirtualTopic.foo"/>
</route>
<route>
<from uri="activemq:queue:Consumer.1.VirtualTopic.foo"/>
<to uri="mock:result1"/>
</route>
<route>
<from uri="activemq:queue:Consumer.2.VirtualTopic.foo"/>
<to uri="mock:result2"/>
</route>
See AlsoUsing This PatternIf you would like to use this EIP Pattern then please read the Getting Started, you may also find the Architecture useful particularly the description of Endpoint and URIs. Then you could try out some of the Examples first before trying this pattern out. |
