<div class="wiki-content maincontent"><h3 id="ActiveMQDestinationOptions-Background">Background</h3><p>Destination Options are a way to provide extended configuration options to a NMS consumer without having to extend the NMS API. The options are encoded using URL query syntax in the destination name that the consumer is created on.</p><h3 id="ActiveMQDestinationOptions-ConsumerOptions">Consumer Options</h3><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Option Name</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Default Value</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.prefetchSize</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>variable</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>The number of message the consumer will <a shape="rect" class="unresolved" href="#">prefetch</a>.&#160; <strong>Removed in NMS.ActiveMQ v1.7.0 use the PrefetchPolicy isntead.</strong></p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.maximumPendingMessageLimit</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>0</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Use to control if messages for non-durable topics are dropped if a <a shape="rect" class="unresolved" href="#">slow consumer</a> situation exists.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.noLocal</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Same as the noLocal flag on a Topic consumer. Exposed here so that it can be used with a queue.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.dispatchAsync</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>true</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Should the broker <a shape="rect" class="unresolved" href="#">dispatch messages asynchronously</a> to the consumer.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.retroactive</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Is this a <a shape="rect" class="unresolved" href="#">Retroactive Consumer</a>.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.selector</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>null</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>NMS Selector used with the consumer.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.exclusive</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>false</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Is this an <a shape="rect" class="unresolved" href="#">Exclusive Consumer</a>.</p></td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><p>consumer.priority</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>0</p></td><td colspan="1" rowspan="1" class="confluenceTd"><p>Allows you to configure a <a shape="rect" class="unresolved" href="#">Consumer Priority</a>.</p></td></tr></tbody></table></div><h3 id="ActiveMQDestinationOptions-Example">Example</h3><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
<script class="brush: java; gutter: false; theme: Default" type="syntaxhighlighter"><![CDATA[var queue = session.GetQueue(&quot;TEST.QUEUE?consumer.dispatchAsync=false&amp;consumer.prefetchSize=10&quot;);
var consumer = session.CreateConsumer(queue);
]]></script>
</div></div></div>