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<div class="subTitle">org.apache.ignite.messaging</div>
<h2 title="Class MessagingListenActor" class="title">Class MessagingListenActor<span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span></h2>
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<li>org.apache.ignite.messaging.MessagingListenActor<span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span></li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>,T<span class='angle_bracket'>&gt;</span></dd>
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<pre>public abstract class <span class="strong">MessagingListenActor<span class='angle_bracket'>&lt;</span>T<span class='angle_bracket'>&gt;</span></span>
extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>,T<span class='angle_bracket'>&gt;</span></pre>
<div class="block">Convenience actor-base adapter for <a href="../../../../org/apache/ignite/IgniteMessaging.html#localListen(java.lang.Object, org.apache.ignite.lang.IgniteBiPredicate)"><code>IgniteMessaging.localListen(Object, IgniteBiPredicate)</code></a>
method.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../serialized-form.html#org.apache.ignite.messaging.MessagingListenActor">Serialized Form</a></dd></dl>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#MessagingListenActor()">MessagingListenActor</a></strong>()</code>&nbsp;</td>
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<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#apply(java.util.UUID, T)">apply</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;nodeId,
<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html" title="type parameter in MessagingListenActor">T</a>&nbsp;rcvMsg)</code>
<div class="block">Predicate body.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#ignite()">ignite</a></strong>()</code>
<div class="block">Gets grid instance associated with this actor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#onError(java.lang.Throwable)">onError</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;e)</code>
<div class="block">This method is called in case when method <a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#receive(java.util.UUID, T)"><code>receive(UUID, Object)</code></a> threw an exception.</div>
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<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#receive(java.util.UUID, T)">receive</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;nodeId,
<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html" title="type parameter in MessagingListenActor">T</a>&nbsp;rcvMsg)</code>
<div class="block">This method receives the message.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#respond(java.lang.Object)">respond</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)</code>
<div class="block">Responds to the original sender node with given message and continues to listen for the new messages.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#respond(java.util.UUID, java.lang.Object)">respond</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;id,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)</code>
<div class="block">Responds to the provided node with given message and continues to listen for the new messages.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#skip()">skip</a></strong>()</code>
<div class="block">Skips current message and continues to listen for new message.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#stop()">stop</a></strong>()</code>
<div class="block">This method instructs underlying implementation to stop receiving new messages and unregister
the message listener.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#stop(java.lang.Object)">stop</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)</code>
<div class="block">This method sends the response message to the original sender node and instructs underlying
implementation to stop receiving new messages and unregister the message listener.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#toString()">toString</a></strong>()</code></td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>MessagingListenActor</h4>
<pre>public&nbsp;MessagingListenActor()</pre>
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<h4>ignite</h4>
<pre>protected final&nbsp;<a href="../../../../org/apache/ignite/Ignite.html" title="interface in org.apache.ignite">Ignite</a>&nbsp;ignite()</pre>
<div class="block">Gets grid instance associated with this actor.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>Grid instance associated with this actor.</dd></dl>
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<a name="apply(java.util.UUID,java.lang.Object)">
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<h4>apply</h4>
<pre>public final&nbsp;boolean&nbsp;apply(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;nodeId,
<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html" title="type parameter in MessagingListenActor">T</a>&nbsp;rcvMsg)</pre>
<div class="block">Predicate body.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/ignite/lang/IgniteBiPredicate.html#apply(E1, E2)">apply</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>,<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html" title="type parameter in MessagingListenActor">T</a><span class='angle_bracket'>&gt;</span></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>nodeId</code> - First parameter.</dd><dd><code>rcvMsg</code> - Second parameter.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Return value.</dd></dl>
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<h4>onError</h4>
<pre>protected&nbsp;void&nbsp;onError(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;e)</pre>
<div class="block">This method is called in case when method <a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#receive(java.util.UUID, T)"><code>receive(UUID, Object)</code></a> threw an exception.
Insides of this method the implementation should call any of the <code>respond</code>, <code>stop</code>
or <code>skip</code> methods. If overriding method does nothing - than return value of method
<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#receive(java.util.UUID, T)"><code>receive(UUID, Object)</code></a> is undefined.
<p>
Default implementation simply calls method <a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#stop()"><code>stop()</code></a>.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - Exception thrown from method <a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#receive(java.util.UUID, T)"><code>receive(UUID, Object)</code></a>.</dd></dl>
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<h4>receive</h4>
<pre>protected abstract&nbsp;void&nbsp;receive(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;nodeId,
<a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html" title="type parameter in MessagingListenActor">T</a>&nbsp;rcvMsg)
throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></pre>
<div class="block">This method receives the message. This is the only method that subclass needs to override.
Insides of this method the implementation should call any of the <code>respond</code>, <code>stop</code>
or <code>skip</code> methods. Note that if none of these methods are called - listener will continue
listen for the new messages.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>nodeId</code> - ID of the sender node.</dd><dd><code>rcvMsg</code> - Received message.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></code> - Thrown in case of any errors. Method <a href="../../../../org/apache/ignite/messaging/MessagingListenActor.html#onError(java.lang.Throwable)"><code>onError(Throwable)</code></a>} will
be called right before returning from this method.</dd></dl>
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<h4>stop</h4>
<pre>protected final&nbsp;void&nbsp;stop()</pre>
<div class="block">This method instructs underlying implementation to stop receiving new messages and unregister
the message listener.
<p>
Note that subclasses can call any of <code>respond</code>, <code>stop</code> or <code>skip</code> methods any
number of times. Only the last executed method will determine whether or not the implementation will
continue listen for the new messages.</div>
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<h4>stop</h4>
<pre>protected final&nbsp;void&nbsp;stop(@Nullable
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">This method sends the response message to the original sender node and instructs underlying
implementation to stop receiving new messages and unregister the message listener.
<p>
Note that subclasses can call any of <code>respond</code>, <code>stop</code> or <code>skip</code> methods any
number of times. Only the last executed method will determine whether or not the implementation will
continue listen for the new messages.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>respMsg</code> - Optional response message. If not <code>null</code> - it will be sent to the original
sender node.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - Thrown in case of any errors.</dd></dl>
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<h4>skip</h4>
<pre>protected final&nbsp;void&nbsp;skip()</pre>
<div class="block">Skips current message and continues to listen for new message. This method simply calls
<code>respond(null)</code>.
<p>
Note that subclasses can call any of <code>respond</code>, <code>stop</code> or <code>skip</code> methods any
number of times. Only the last executed method will determine whether or not the implementation will
continue listen for the new messages.</div>
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<h4>respond</h4>
<pre>protected final&nbsp;void&nbsp;respond(@Nullable
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Responds to the original sender node with given message and continues to listen for the new messages.
<p>
Note that subclasses can call any of <code>respond</code>, <code>stop</code> or <code>skip</code> methods any
number of times. Only the last executed method will determine whether or not the implementation will
continue listen for the new messages.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>respMsg</code> - Optional response message. If not <code>null</code> - it will be sent to the original
sender node.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - Thrown in case of any errors.</dd></dl>
</li>
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<h4>respond</h4>
<pre>protected final&nbsp;void&nbsp;respond(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>&nbsp;id,
@Nullable
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;respMsg)
throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre>
<div class="block">Responds to the provided node with given message and continues to listen for the new messages.
<p>
Note that subclasses can call any of <code>respond</code>, <code>stop</code> or <code>skip</code> methods any
number of times. Only the last executed method will determine whether or not the implementation will
continue listen for the new messages.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>id</code> - ID of the node to send the message to, if any.</dd><dd><code>respMsg</code> - Optional response message. If not <code>null</code> - it will be sent to the original
sender node.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - Thrown in case of any errors.</dd></dl>
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<h4>toString</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://incubator.apache.org/projects/ignite.html"><nobr>2015 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Apache Ignite Fabric</b> </td> <td>:&nbsp;&nbsp; ver. <strong>1.0.0-RC3</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; March 24 2015 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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