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From "James Strachan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CAMEL-1048) allow routes to easily be enabled/disabled based on an external predicate such as queue size
Date Mon, 03 Nov 2008 18:23:05 GMT

     [ https://issues.apache.org/activemq/browse/CAMEL-1048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Strachan updated CAMEL-1048:
----------------------------------

    Description: 
For example we may want to do this route...

{code}
<route>
  <requires>
    <el>${broker2.queueSize('AnotherQueue') == 0}</el>
  </requires>
  <from uri="broker1:MyQueue"/>
  <to uri="broker2:AnotherQueue"/>
</route>
{code}

i.e. only implement a specific route while some predicate is true (e.g. only route while a
condition is met; disable when its not met).

Maybe we need to allow endpoints to define if they are ready yet? e.g. only send to a certain
queue if its got capacity?


  was:
For example we may want to do this route...

{code}
<route>
  <requires>
    <el>${broker2.queueSize('AnotherQueue') == 0}</el>
  </requires>
  <from uri="broker1:MyQueue"/>
  <to uri="broker2:AnotherQueue"/>
</route>
{code}

i.e. only implement a specific route while some predicate is true (e.g. only route while a
condition is met; disable when its not met).




> allow routes to easily be enabled/disabled based on an external predicate such as queue
size
> --------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-1048
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-1048
>             Project: Apache Camel
>          Issue Type: New Feature
>            Reporter: James Strachan
>             Fix For: 2.0.0
>
>
> For example we may want to do this route...
> {code}
> <route>
>   <requires>
>     <el>${broker2.queueSize('AnotherQueue') == 0}</el>
>   </requires>
>   <from uri="broker1:MyQueue"/>
>   <to uri="broker2:AnotherQueue"/>
> </route>
> {code}
> i.e. only implement a specific route while some predicate is true (e.g. only route while
a condition is met; disable when its not met).
> Maybe we need to allow endpoints to define if they are ready yet? e.g. only send to a
certain queue if its got capacity?

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