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| <h1>CountTriggerTask</h1><h3><span class="morelinks"><div>Related Doc: |
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| <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>This task triggers output on number of messages in a window. |
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| <span class="modifier">final </span> |
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| <span class="name">isInstanceOf</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>Any</dd></dl></div> |
| </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="ne(x$1:AnyRef):Boolean"></a> |
| <a id="ne(AnyRef):Boolean"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">ne</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.AnyRef">AnyRef</span></span>)</span><span class="result">: <span class="extype" name="scala.Boolean">Boolean</span></span> |
| </span> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notify():Unit"></a> |
| <a id="notify():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notify</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </li><li name="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="notifyAll():Unit"></a> |
| <a id="notifyAll():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.dsl.task.CountTriggerTask#onNext" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="onNext(msg:org.apache.gearpump.Message):Unit"></a> |
| <a id="onNext(Message):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">onNext</span><span class="params">(<span name="msg">msg: <a href="../../../Message.html" class="extype" name="org.apache.gearpump.Message">Message</a></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">Method called for each message received.</p><div class="fullcomment"><div class="comment cmt"><p>Method called for each message received. |
| </p></div><dl class="paramcmts block"><dt class="param">msg</dt><dd class="cmt"><p>Message send by upstream tasks</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.gearpump.streaming.dsl.task.CountTriggerTask">CountTriggerTask</a> → <a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a> → <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#onStart" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="onStart(startTime:java.time.Instant):Unit"></a> |
| <a id="onStart(Instant):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">onStart</span><span class="params">(<span name="startTime">startTime: <span class="extype" name="java.time.Instant">Instant</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Method called with the task is initialized.</p><div class="fullcomment"><div class="comment cmt"><p>Method called with the task is initialized.</p></div><dl class="paramcmts block"><dt class="param">startTime</dt><dd class="cmt"><p>startTime that can be used to decide from when a source producer task should |
| replay the data source, or from when a processor task should recover its |
| checkpoint data in to in-memory state.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a> → <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#onStop" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="onStop():Unit"></a> |
| <a id="onStop():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">onStop</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.task.CountTriggerTask@onStop():Unit" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Method called when task is under clean up.</p><div class="fullcomment"><div class="comment cmt"><p>Method called when task is under clean up.</p><p>This can be used to cleanup resource when the application finished. |
| </p></div><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a> → <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#onWatermarkProgress" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="onWatermarkProgress(watermark:java.time.Instant):Unit"></a> |
| <a id="onWatermarkProgress(Instant):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">onWatermarkProgress</span><span class="params">(<span name="watermark">watermark: <span class="extype" name="java.time.Instant">Instant</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.task.CountTriggerTask@onWatermarkProgress(watermark:java.time.Instant):Unit" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Method called on watermark update.</p><div class="fullcomment"><div class="comment cmt"><p>Method called on watermark update. |
| Usually safe to output or checkpoint states earlier than watermark. |
| </p></div><dl class="paramcmts block"><dt class="param">watermark</dt><dd class="cmt"><p>represents event time progress.</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a> → <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#receiveUnManagedMessage" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="receiveUnManagedMessage:akka.actor.Actor.Receive"></a> |
| <a id="receiveUnManagedMessage:Receive"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">receiveUnManagedMessage</span><span class="result">: <span class="extype" name="akka.actor.Actor.Receive">Receive</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.task.CountTriggerTask@receiveUnManagedMessage:akka.actor.Actor.Receive" title="Permalink" target="_top"> |
| <img src="../../../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">Handlers unmanaged messages |
| </p><div class="fullcomment"><div class="comment cmt"><p>Handlers unmanaged messages |
| </p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>the handler</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a> → <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#self" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="self:akka.actor.ActorRef"></a> |
| <a id="self:ActorRef"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">implicit </span> |
| <span class="kind">val</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">self</span><span class="result">: <span class="extype" name="akka.actor.ActorRef">ActorRef</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| </a> |
| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a></dd></dl></div> |
| </li><li name="org.apache.gearpump.streaming.task.Task#sender" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="sender:akka.actor.ActorRef"></a> |
| <a id="sender:ActorRef"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">sender</span><span class="result">: <span class="extype" name="akka.actor.ActorRef">ActorRef</span></span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.task.CountTriggerTask@sender:akka.actor.ActorRef" title="Permalink" target="_top"> |
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| </a> |
| </span> |
| <p class="shortcomment cmt">For managed message(type of Message), the sender mean nothing, |
| you should not use this directory</p><div class="fullcomment"><div class="comment cmt"><p>For managed message(type of Message), the sender mean nothing, |
| you should not use this directory</p><p>For unmanaged message, the sender represent the sender actor</p></div><dl class="paramcmts block"><dt>returns</dt><dd class="cmt"><p>the sender</p></dd></dl><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a></dd></dl></div> |
| </li><li name="scala.AnyRef#synchronized" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
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| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">synchronized</span><span class="tparams">[<span name="T0">T0</span>]</span><span class="params">(<span name="arg0">arg0: ⇒ <span class="extype" name="java.lang.AnyRef.synchronized.T0">T0</span></span>)</span><span class="result">: <span class="extype" name="java.lang.AnyRef.synchronized.T0">T0</span></span> |
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| <a id="system:akka.actor.ActorSystem"></a> |
| <a id="system:ActorSystem"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">implicit </span> |
| <span class="kind">val</span> |
| </span> |
| <span class="symbol"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd><a href="../../task/Task.html" class="extype" name="org.apache.gearpump.streaming.task.Task">Task</a></dd></dl></div> |
| </li><li name="scala.AnyRef#toString" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="toString():String"></a> |
| <a id="toString():String"></a> |
| <h4 class="signature"> |
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| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">toString</span><span class="params">()</span><span class="result">: <span class="extype" name="java.lang.String">String</span></span> |
| </span> |
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| <a href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.task.CountTriggerTask@toString():String" title="Permalink" target="_top"> |
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| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="wait():Unit"></a> |
| <a id="wait():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4><span class="permalink"> |
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| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="wait(x$1:Long,x$2:Int):Unit"></a> |
| <a id="wait(Long,Int):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Long">Long</span></span>, <span name="arg1">arg1: <span class="extype" name="scala.Int">Int</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
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| <a id="wait(x$1:Long):Unit"></a> |
| <a id="wait(Long):Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">(<span name="arg0">arg0: <span class="extype" name="scala.Long">Long</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
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| </a> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
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| </div><div class="parent" name="org.apache.gearpump.streaming.task.TaskInterface"> |
| <h3>Inherited from <a href="../../task/TaskInterface.html" class="extype" name="org.apache.gearpump.streaming.task.TaskInterface">TaskInterface</a></h3> |
| </div><div class="parent" name="scala.AnyRef"> |
| <h3>Inherited from <span class="extype" name="scala.AnyRef">AnyRef</span></h3> |
| </div><div class="parent" name="scala.Any"> |
| <h3>Inherited from <span class="extype" name="scala.Any">Any</span></h3> |
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