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cmt"><p>This represents operations that can be chained together
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-to another Op to be used
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Classes</dt><dd>AnyRef</dd></dl></div>
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-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.ChainableOp@notifyAll():Unit"
 title="Permalink" target="_top">
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-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
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fullComment="yes" group="Ungrouped">
-      <a id="synchronized[T0](x$1:=&gt;T0):T0"></a>
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-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.ChainableOp@synchronized[T0](x$1:=&gt;T0):T0"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
-    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.ChainableOp#userConfig" 
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-        <span class="kind">val</span>
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-      <span class="symbol">
-        <span class="name">userConfig</span><span class="result">: <a 
href="../../../cluster/UserConfig.html" class="extype" 
name="org.apache.gearpump.cluster.UserConfig">UserConfig</a></span>
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href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.ChainableOp@userConfig:org.apache.gearpump.cluster.UserConfig"
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-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.ChainableOp">ChainableOp</a> → 
<a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
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-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.ChainableOp@wait():Unit"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
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-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
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name="scala.Int">Int</span></span>)</span><span class="result">: <span 
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href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.ChainableOp@wait(x$1:Long,x$2:Int):Unit"
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-    </span>
-      <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>
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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>
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http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSinkOp.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSinkOp.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSinkOp.html
index 96a2f43..e8af4aa 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSinkOp.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSinkOp.html
@@ -45,7 +45,7 @@
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name="dataSink">dataSink: <a href="../../sink/DataSink.html" class="extype" 
name="org.apache.gearpump.streaming.sink.DataSink">DataSink</a></span>, <span 
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class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
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<span name="description">description: <span class="extype" 
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extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span class="extype" 
name
 ="scala.Serializable">Serializable</span></span>
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class="extype" name="scala.Product">Product</span> with <span class="extype" 
name
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@@ -90,7 +90,7 @@
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name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp#&lt;init&gt;" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
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@@ -98,10 +98,10 @@
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<span name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
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name="dataSink">dataSink: <a href="../../sink/DataSink.html" class="extype" 
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class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
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+      <a 
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@@ -314,23 +314,6 @@
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Classes</dt><dd>AnyRef → Any</dd></dl></div>
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name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp#getProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
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class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
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-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSinkOp@getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
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-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp">DataSinkOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
       <a id="isInstanceOf[T0]:Boolean"></a>
       <a id="isInstanceOf[T0]:Boolean"></a>
@@ -433,6 +416,23 @@
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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.plan.DataSinkOp#toProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
+      <a id="toProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSinkOp@toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp">DataSinkOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li 
name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp#userConfig" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="userConfig:org.apache.gearpump.cluster.UserConfig"></a>
       <a id="userConfig:UserConfig"></a>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSourceOp.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSourceOp.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSourceOp.html
index 2aa43cf..5e33956 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSourceOp.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/DataSourceOp.html
@@ -45,7 +45,7 @@
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <span class="name">DataSourceOp</span><span class="params">(<span 
name="dataSource">dataSource: <a href="../../source/DataSource.html" 
class="extype" 
name="org.apache.gearpump.streaming.source.DataSource">DataSource</a></span>, 
<span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>, 
<span name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;source&quot;</span></span>)</span><span class="result"> 
extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span c
 lass="extype" name="scala.Serializable">Serializable</span></span>
+        <span class="name">DataSourceOp</span><span class="params">(<span 
name="dataSource">dataSource: <a href="../../source/DataSource.html" 
class="extype" 
name="org.apache.gearpump.streaming.source.DataSource">DataSource</a></span>, 
<span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;source&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span><span
 class="result"> extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span c
 lass="extype" name="scala.Serializable">Serializable</span></span>
       </span>
       </h4>
       
@@ -90,7 +90,7 @@
         <div id="constructors" class="members">
               <h3>Instance Constructors</h3>
               <ol><li 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp#&lt;init&gt;" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="&lt;init&gt;(dataSource:org.apache.gearpump.streaming.source.DataSource,parallelism:Int,userConfig:org.apache.gearpump.cluster.UserConfig,description:String):org.apache.gearpump.streaming.dsl.plan.DataSourceOp"></a>
+      <a 
id="&lt;init&gt;(dataSource:org.apache.gearpump.streaming.source.DataSource,parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.DataSourceOp"></a>
       <a id="&lt;init&gt;:DataSourceOp"></a>
       <h4 class="signature">
       <span class="modifier_kind">
@@ -98,10 +98,10 @@
         <span class="kind">new</span>
       </span>
       <span class="symbol">
-        <span class="name">DataSourceOp</span><span class="params">(<span 
name="dataSource">dataSource: <a href="../../source/DataSource.html" 
class="extype" 
name="org.apache.gearpump.streaming.source.DataSource">DataSource</a></span>, 
<span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>, 
<span name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;source&quot;</span></span>)</span>
+        <span class="name">DataSourceOp</span><span class="params">(<span 
name="dataSource">dataSource: <a href="../../source/DataSource.html" 
class="extype" 
name="org.apache.gearpump.streaming.source.DataSource">DataSource</a></span>, 
<span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;source&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSourceOp@&lt;init&gt;(dataSource:org.apache.gearpump.streaming.source.DataSource,parallelism:Int,userConfig:org.apache.gearpump.cluster.UserConfig,description:String):org.apache.gearpump.streaming.dsl.plan.DataSourceOp"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSourceOp@&lt;init&gt;(dataSource:org.apache.gearpump.streaming.source.DataSource,parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.DataSourceOp"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
@@ -314,23 +314,6 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
-    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp#getProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a 
id="getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
-      <a id="getProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">def</span>
-      </span>
-      <span class="symbol">
-        <span class="name">getProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSourceOp@getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp">DataSourceOp</a> → 
<a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
       <a id="isInstanceOf[T0]:Boolean"></a>
       <a id="isInstanceOf[T0]:Boolean"></a>
@@ -433,6 +416,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp#toProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
+      <a id="toProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.DataSourceOp@toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp">DataSourceOp</a> → 
<a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li 
name="org.apache.gearpump.streaming.dsl.plan.DataSourceOp#userConfig" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="userConfig:org.apache.gearpump.cluster.UserConfig"></a>
       <a id="userConfig:UserConfig"></a>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/Direct$.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/Direct$.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/Direct$.html
index 467caff..701b65e 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/Direct$.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/Direct$.html
@@ -50,7 +50,7 @@
       </h4>
       
           <div id="comment" class="fullcommenttop"><div class="comment 
cmt"><p>The upstream OP and downstream OP doesn't require network data shuffle.
-e.g. ChainableOp
+e.g. TransformOp
 </p></div><div class="toggleContainer block">
           <span class="toggle">Linear Supertypes</span>
           <div class="superTypes hiddenContent"><span class="extype" 
name="scala.Serializable">Serializable</span>, <span class="extype" 
name="java.io.Serializable">Serializable</span>, <span class="extype" 
name="scala.Product">Product</span>, <span class="extype" 
name="scala.Equals">Equals</span>, <a href="OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>, <span 
class="extype" name="scala.AnyRef">AnyRef</span>, <span class="extype" 
name="scala.Any">Any</span></div>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/GroupByOp.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/GroupByOp.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/GroupByOp.html
index c957079..2a0fc65 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/GroupByOp.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/GroupByOp.html
@@ -45,11 +45,11 @@
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <span class="name">GroupByOp</span><span class="tparams">[<span 
name="IN">IN</span>, <span name="GROUP">GROUP</span>]</span><span 
class="params">(<span name="groupBy">groupBy: <a 
href="../window/impl/GroupAlsoByWindow.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow">GroupAlsoByWindow</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.IN">IN</span>, <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.GROUP">GROUP</span>]</span>,
 <span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;groupBy&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol
 "><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span><span
 class="result"> extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
+        <span class="name">GroupByOp</span><span class="tparams">[<span 
name="IN">IN</span>, <span name="GROUP">GROUP</span>]</span><span 
class="result"> extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
       </span>
       </h4>
       
-          <div id="comment" class="fullcommenttop"><div class="comment 
cmt"><p>This represents a Processor with window aggregation
+          <div id="comment" class="fullcommenttop"><div class="comment 
cmt"><p>This represents a Processor with groupBy and window aggregation
 </p></div><div class="toggleContainer block">
           <span class="toggle">Linear Supertypes</span>
           <div class="superTypes hiddenContent"><span class="extype" 
name="scala.Serializable">Serializable</span>, <span class="extype" 
name="java.io.Serializable">Serializable</span>, <span class="extype" 
name="scala.Product">Product</span>, <span class="extype" 
name="scala.Equals">Equals</span>, <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <span class="extype" 
name="scala.AnyRef">AnyRef</span>, <span class="extype" 
name="scala.Any">Any</span></div>
@@ -87,27 +87,7 @@
 
       <div id="template">
         <div id="allMembers">
-        <div id="constructors" class="members">
-              <h3>Instance Constructors</h3>
-              <ol><li 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp#&lt;init&gt;" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="&lt;init&gt;(groupBy:org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow[IN,GROUP],parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.GroupByOp[IN,GROUP]"></a>
-      <a id="&lt;init&gt;:GroupByOp[IN,GROUP]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">new</span>
-      </span>
-      <span class="symbol">
-        <span class="name">GroupByOp</span><span class="params">(<span 
name="groupBy">groupBy: <a href="../window/impl/GroupAlsoByWindow.html" 
class="extype" 
name="org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow">GroupAlsoByWindow</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.IN">IN</span>, <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.GROUP">GROUP</span>]</span>,
 <span name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;groupBy&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></s
 pan></span>)</span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.GroupByOp@&lt;init&gt;(groupBy:org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow[IN,GROUP],parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.GroupByOp[IN,GROUP]"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      
-    </li></ol>
-            </div>
+        
 
         
 
@@ -297,36 +277,19 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
-    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp#getProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a 
id="getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
-      <a id="getProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">def</span>
-      </span>
-      <span class="symbol">
-        <span class="name">getProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.GroupByOp@getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp">GroupByOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li name="org.apache.gearpump.streaming.dsl.plan.GroupByOp#groupBy" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="groupBy:org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow[IN,GROUP]"></a>
-      <a id="groupBy:GroupAlsoByWindow[IN,GROUP]"></a>
+      <a id="groupBy:IN=&gt;GROUP"></a>
+      <a id="groupBy:(IN)⇒GROUP"></a>
       <h4 class="signature">
       <span class="modifier_kind">
         <span class="modifier"></span>
         <span class="kind">val</span>
       </span>
       <span class="symbol">
-        <span class="name">groupBy</span><span class="result">: <a 
href="../window/impl/GroupAlsoByWindow.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow">GroupAlsoByWindow</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.IN">IN</span>, <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.GROUP">GROUP</span>]</span>
+        <span class="name">groupBy</span><span class="result">: (<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.IN">IN</span>) ⇒ <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp.GROUP">GROUP</span></span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.GroupByOp@groupBy:org.apache.gearpump.streaming.dsl.window.impl.GroupAlsoByWindow[IN,GROUP]"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.GroupByOp@groupBy:IN=&gt;GROUP"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
@@ -433,6 +396,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp#toProcessor" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
+      <a id="toProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.GroupByOp@toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp">GroupByOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li 
name="org.apache.gearpump.streaming.dsl.plan.GroupByOp#userConfig" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="userConfig:org.apache.gearpump.cluster.UserConfig"></a>
       <a id="userConfig:UserConfig"></a>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/MergeOp.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/MergeOp.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/MergeOp.html
index 99f3e94..cff21eb 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/MergeOp.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/MergeOp.html
@@ -45,7 +45,7 @@
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <span class="name">MergeOp</span><span class="params">(<span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span><span
 class="result"> extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
+        <span class="name">MergeOp</span><span class="params">(<span 
name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;merge&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span><span
 class="result"> extends <a href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a> with <span 
class="extype" name="scala.Product">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
       </span>
       </h4>
       
@@ -90,7 +90,7 @@
         <div id="constructors" class="members">
               <h3>Instance Constructors</h3>
               <ol><li 
name="org.apache.gearpump.streaming.dsl.plan.MergeOp#&lt;init&gt;" visbl="pub" 
data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="&lt;init&gt;(description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.MergeOp"></a>
+      <a 
id="&lt;init&gt;(parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.MergeOp"></a>
       <a id="&lt;init&gt;:MergeOp"></a>
       <h4 class="signature">
       <span class="modifier_kind">
@@ -98,10 +98,10 @@
         <span class="kind">new</span>
       </span>
       <span class="symbol">
-        <span class="name">MergeOp</span><span class="params">(<span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span>
+        <span class="name">MergeOp</span><span class="params">(<span 
name="parallelism">parallelism: <span class="extype" 
name="scala.Int">Int</span> = <span class="symbol">1</span></span>, <span 
name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;merge&quot;</span></span>, <span 
name="userConfig">userConfig: <a href="../../../cluster/UserConfig.html" 
class="extype" name="org.apache.gearpump.cluster.UserConfig">UserConfig</a> = 
<span class="symbol"><span class="name"><a 
href="../../../../../package.html">UserConfig.empty</a></span></span></span>)</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.MergeOp@&lt;init&gt;(description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.MergeOp"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.MergeOp@&lt;init&gt;(parallelism:Int,description:String,userConfig:org.apache.gearpump.cluster.UserConfig):org.apache.gearpump.streaming.dsl.plan.MergeOp"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
@@ -297,23 +297,6 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
-    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.MergeOp#getProcessor" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a 
id="getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
-      <a id="getProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">def</span>
-      </span>
-      <span class="symbol">
-        <span class="name">getProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.MergeOp@getProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.MergeOp">MergeOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
       <a id="isInstanceOf[T0]:Boolean"></a>
       <a id="isInstanceOf[T0]:Boolean"></a>
@@ -382,6 +365,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.MergeOp#parallelism" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="parallelism:Int"></a>
+      <a id="parallelism:Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">val</span>
+      </span>
+      <span class="symbol">
+        <span class="name">parallelism</span><span class="result">: <span 
class="extype" name="scala.Int">Int</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.MergeOp@parallelism:Int"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
     </li><li name="scala.AnyRef#synchronized" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
       <a id="synchronized[T0](x$1:=&gt;T0):T0"></a>
       <a id="synchronized[T0](⇒T0):T0"></a>
@@ -399,6 +399,23 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.MergeOp#toProcessor" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"></a>
+      <a id="toProcessor(ActorSystem):Processor[_&lt;:Task]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toProcessor</span><span class="params">(<span 
class="implicit">implicit </span><span name="system">system: <span 
class="extype" 
name="akka.actor.ActorSystem">ActorSystem</span></span>)</span><span 
class="result">: <a href="../../Processor.html" class="extype" 
name="org.apache.gearpump.streaming.Processor">Processor</a>[_ &lt;: <a 
href="../../task/Task.html" class="extype" 
name="org.apache.gearpump.streaming.task.Task">Task</a>]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.MergeOp@toProcessor(implicitsystem:akka.actor.ActorSystem):org.apache.gearpump.streaming.Processor[_&lt;:org.apache.gearpump.streaming.task.Task]"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.MergeOp">MergeOp</a> → <a 
href="Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></dd></dl></div>
     </li><li name="org.apache.gearpump.streaming.dsl.plan.MergeOp#userConfig" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="userConfig:org.apache.gearpump.cluster.UserConfig"></a>
       <a id="userConfig:UserConfig"></a>

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