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From "Daniel Kulp (Confluence)" <conflue...@apache.org>
Subject [CONF] Apache Camel > Recipient List
Date Mon, 16 Dec 2013 18:41:00 GMT
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                                                            <a href="    https://cwiki.apache.org/confluence/display/~dkulp " style="color:#326ca6;text-decoration:none;; color: #326ca6; text-decoration: none">Daniel Kulp</a> edited the page:
                                                        </div> </td>
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                                                    <td valign="top" style="font-size: 13px"> <h2 id="email-title-heading" style="font-size: 16px; line-height: 20px; min-height: 20px; margin: 0; padding: 0"> <a href="https://cwiki.apache.org/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none"> <img class="icon" src="cid:page-icon" alt="" style="border: 0; padding: 0 5px 0 0; text-align: left; vertical-align: middle" /> <strong style="font-size:16px;line-height:20px;vertical-align:top;">Recipient List</strong> </a> </h2> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">Note: In Java DSL you use the <code style="font-size: 13px">tokenizer</code> to archive the same. The route above in Java DSL:</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-0" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;).recipientList(header(&quot;myHeader&quot;).tokenize(&quot;,&quot;));
</pre> </td>
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                                                    <p class="diff-block-context" style="font-size: 13px">In <strong>Camel 2.1</strong> its a bit easier as you can pass in the delimiter as 2nd parameter:</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-1" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;).recipientList(header(&quot;myHeader&quot;), &quot;#&quot;);
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">The <a href="/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none">Recipient List</a> now supports <code style="font-size: 13px">parallelProcessing</code> that for example <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Splitter</a> also supports. You can use it to use a thread pool to have concurrent tasks sending the <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Exchange</a> to multiple recipients concurrently.</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-2" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;).recipientList(header(&quot;myHeader&quot;)).parallelProcessing();
</pre> </td>
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                                                    <p class="diff-block-context" style="font-size: 13px">And in Spring XML its an attribute on the recipient list tag.</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-3" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>&lt;route&gt;
       &lt;from uri=&quot;direct:a&quot;/&gt;
       &lt;recipientList parallelProcessing=&quot;true&quot;&gt;
           &lt;header&gt;myHeader&lt;/header&gt;
       &lt;/recipientList&gt;
   &lt;/route&gt;
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">The <a href="/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none">Recipient List</a> now supports <code style="font-size: 13px">stopOnException</code> that for example <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Splitter</a> also supports. You can use it to stop sending to any further recipients in case any recipient failed.</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-4" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;).recipientList(header(&quot;myHeader&quot;)).stopOnException();
</pre> </td>
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                                                    <p class="diff-block-context" style="font-size: 13px">And in Spring XML its an attribute on the recipient list tag.</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-5" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>&lt;route&gt;
       &lt;from uri=&quot;direct:a&quot;/&gt;
       &lt;recipientList stopOnException=&quot;true&quot;&gt;
           &lt;header&gt;myHeader&lt;/header&gt;
       &lt;/recipientList&gt;
   &lt;/route&gt;
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">The <a href="/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none">Recipient List</a> now supports <code style="font-size: 13px">ignoreInvalidEndpoints</code> which the <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Routing Slip</a> also supports. You can use it to skip endpoints which is invalid.</p>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-6" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;).recipientList(header(&quot;myHeader&quot;)).ignoreInvalidEndpoints();
</pre> </td>
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                                                    <p class="diff-block-context" style="font-size: 13px">And in Spring XML its an attribute on the recipient list tag.</p>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-7" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>&lt;route&gt;
       &lt;from uri=&quot;direct:a&quot;/&gt;
       &lt;recipientList ignoreInvalidEndpoints=&quot;true&quot;&gt;
           &lt;header&gt;myHeader&lt;/header&gt;
       &lt;/recipientList&gt;
   &lt;/route&gt;
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">You can now use you own <code style="font-size: 13px">AggregationStrategy</code> with the <a href="/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none">Recipient List</a>. However its not that often you need that. What its good for is that in case you are using <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Request Reply</a> messaging then the replies from the recipient can be aggregated. By default Camel uses <code style="font-size: 13px">UseLatestAggregationStrategy</code> which just keeps that last received reply. What if you must remember all the bodies that all the recipients send back, then you can use your own custom aggregator that keeps those. Its the same principle as with the <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Aggregator</a> EIP so check it out for details.</p>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-8" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>from(&quot;direct:a&quot;)
        .recipientList(header(&quot;myHeader&quot;)).aggregationStrategy(new MyOwnAggregationStrategy())
        .to(&quot;direct:b&quot;);
</pre> </td>
                                                            </tr>
                                                        </tbody>
                                                    </table>
                                                    <p class="diff-block-context" style="font-size: 13px">And in Spring XML its an attribute on the recipient list tag.</p>
                                                    <table class="diff-macro diff-block-target" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;">
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-9" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>&lt;route&gt;
       &lt;from uri=&quot;direct:a&quot;/&gt;
       &lt;recipientList strategyRef=&quot;myStrategy&quot;&gt;
           &lt;header&gt;myHeader&lt;/header&gt;
       &lt;/recipientList&gt;
       &lt;to uri=&quot;direct:b&quot;/&gt;
   &lt;/route&gt;

   &lt;bean id=&quot;myStrategy&quot; class=&quot;com.mycompany.MyOwnAggregationStrategy&quot;/&gt;
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">When using a custom <code style="font-size: 13px">AggregationStrategy</code> then the <code style="font-size: 13px">aggregate</code> method is always invoked in the sequential order (also if parallel processing is enabled) of the endpoints the <a href="/confluence/display/CAMEL/Recipient+List" style="color: #326ca6; text-decoration: none">Recipient List</a> is using. However from Camel 2.12 this is easier to know as the <code style="font-size: 13px">newExchange</code> <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Exchange</a> has a property stored (key is <code style="font-size: 13px">Exchange.RECIPIENT_LIST_ENDPOINT</code> with the uri of the <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Endpoint</a>.</p>
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                                                        <thead>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-10" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>@Override
    public Exchange aggregate(Exchange oldExchange, Exchange newExchange) {
        String uri = newExchange.getProperty(Exchange.RECIPIENT_LIST_ENDPOINT, String.class);
        ...
    }
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">You can use a <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Bean</a> to provide the recipients, for example:</p>
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                                                        <thead>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-11" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">
</span>from(&quot;activemq:queue:test&quot;).recipientList().method(MessageRouter.class, &quot;routeTo&quot;);
</pre> </td>
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                                                        </tbody>
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                                                    <p class="diff-block-context" style="font-size: 13px">And then <code style="font-size: 13px">MessageRouter</code>:</p>
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                                                        <thead>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-12" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">
</span>public class MessageRouter {

    public String routeTo() {
        String queueName = &quot;activemq:queue:test2&quot;;
        return queueName;
    }
}
</pre> </td>
                                                            </tr>
                                                        </tbody>
                                                    </table>
                                                    <p class="diff-block-context" style="font-size: 13px">When you use a <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Bean</a> then do <strong>not</strong> also use the <code style="font-size: 13px">@RecipientList</code> annotation as this will in fact add yet another recipient list, so you end up having two. Do <strong>not</strong> do like this.</p>
                                                    <table class="diff-macro diff-block-target" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;">
                                                        <thead>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-13" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">
</span>public class MessageRouter {

    @RecipientList
    public String routeTo() {
        String queueName = &quot;activemq:queue:test2&quot;;
        return queueName;
    }
}
</pre> </td>
                                                            </tr>
                                                        </tbody>
                                                    </table>
                                                    <p class="diff-block-context" style="font-size: 13px">Well you should only do like that above (using <code style="font-size: 13px">@RecipientList</code>) if you route just route to a <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Bean</a> which you then want to act as a recipient list.<br /> So the original route can be changed to:</p>
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                                                        <thead>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">
<span class="diff-html-removed" id="removed-diff-14" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">
</span>from(&quot;activemq:queue:test&quot;).bean(MessageRouter.class, &quot;routeTo&quot;);
</pre> </td>
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                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px">By default if a timeout occurs the <code style="font-size: 13px">AggregationStrategy</code> is not invoked. However you can implement a specialized version</p>
                                                    <span class="diff-html-removed" id="removed-diff-15" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span>
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Code Block</th>
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                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px"><span class="diff-html-added" id="added-diff-0" style="font-size: 100%; background-color: #ddfade;">title</span></td>
                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">TimeoutAwareAggregationStrategy</span></td>
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                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px">java:title</td>
                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px">TimeoutAwareAggregationStrategy</td>
                                                                            </tr>
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                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px"><span class="diff-html-added" id="added-diff-1" style="font-size: 100%; background-color: #ddfade;">language</span></td>
                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">java</span></td>
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                                                                <td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <pre style="font-size: 13px">public interface TimeoutAwareAggregationStrategy extends AggregationStrategy {

    /**
     * A timeout occurred
     *
     * @param oldExchange  the oldest exchange (is &lt;tt&gt;null&lt;/tt&gt; on first aggregation as we only have the new exchange)
     * @param index        the index
     * @param total        the total
     * @param timeout      the timeout value in millis
     */
    void timeout(Exchange oldExchange, int index, int total, long timeout);
</pre> </td>
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                                                    </table>
                                                    <p class="diff-context-placeholder" style="font-size: 13px">...</p>
                                                    <p class="diff-block-context" style="font-size: 13px"> <strong>Available as of Camel 2.8</strong> </p>
                                                    <p class="diff-block-context" style="font-size: 13px">See details at <a class="confluence-link unresolved" href="#" style="color: #326ca6; text-decoration: none">Multicast</a> </p>
                                                    <p class="diff-block-target" style="font-size: 13px"> </p>
                                                    <table class="diff-macro bodyless diff-html-changed" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;margin: 5px 0; padding: 0; width: auto;">
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                                                                <th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="diff-html-changed" id="changed-diff-0" style="background-color: #d6f0ff;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB-1988229788/4109/76e0dbb30bc8580e459c201f3535d84f9283a9ac.1/_/images/icons/macrobrowser/dropdown/include.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Include Page</span></th>
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                                                                                <td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px"><span class="diff-html-changed" style="background-color: #d6f0ff;">Using This Pattern</span></td>
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