http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/package.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/package.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/package.html
index fe0c764..b065329 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/package.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/plan/package.html
@@ -66,28 +66,7 @@
 
         <div id="types" class="types members">
               <h3>Type Members</h3>
-              <ol><li 
name="org.apache.gearpump.streaming.dsl.plan.ChainableOp" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a id="ChainableOp[IN,OUT]extendsOpwithProductwithSerializable"></a>
-      <a id="ChainableOp[IN,OUT]:ChainableOp[IN,OUT]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">case class</span>
-      </span>
-      <span class="symbol">
-        <a href="ChainableOp.html"><span 
class="name">ChainableOp</span></a><span class="tparams">[<span 
name="IN">IN</span>, <span name="OUT">OUT</span>]</span><span 
class="params">(<span name="fn">fn: <a href="functions/FunctionRunner.html" 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.functions.FunctionRunner">FunctionRunner</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.ChainableOp.IN">IN</span>, <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.ChainableOp.OUT">OUT</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">Pro
 duct</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@ChainableOp[IN,OUT]extendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      <p class="shortcomment cmt">This represents operations that can be 
chained together
-(e.g.</p><div class="fullcomment"><div class="comment cmt"><p>This represents 
operations that can be chained together
-(e.g. flatMap, map, filter, reduce) and further chained
-to another Op to be used
-</p></div></div>
-    </li><li name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+              <ol><li name="org.apache.gearpump.streaming.dsl.plan.DataSinkOp" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="DataSinkOpextendsOpwithProductwithSerializable"></a>
       <a id="DataSinkOp:DataSinkOp"></a>
       <h4 class="signature">
@@ -96,7 +75,7 @@ to another Op to be used
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <a href="DataSinkOp.html"><span 
class="name">DataSinkOp</span></a><span class="params">(<span 
name="dataSink">dataSink: <a href="../../sink/DataSink.html" class="extype" 
name="org.apache.gearpump.streaming.sink.DataSink">DataSink</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;sink&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 class="extype" name="scala.Serializable">Serializable</span></span>
+        <a href="DataSinkOp.html"><span 
class="name">DataSinkOp</span></a><span class="params">(<span 
name="dataSink">dataSink: <a href="../../sink/DataSink.html" class="extype" 
name="org.apache.gearpump.streaming.sink.DataSink">DataSink</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;sink&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><span class="permalink">
       <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@DataSinkOpextendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
@@ -113,7 +92,7 @@ to another Op to be used
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <a href="DataSourceOp.html"><span 
class="name">DataSourceOp</span></a><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.Prod
 uct">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
+        <a href="DataSourceOp.html"><span 
class="name">DataSourceOp</span></a><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.Prod
 uct">Product</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
       </span>
       </h4><span class="permalink">
       <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@DataSourceOpextendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
@@ -130,14 +109,14 @@ to another Op to be used
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <a href="GroupByOp.html"><span class="name">GroupByOp</span></a><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">UserCon
 fig</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>
+        <a href="GroupByOp.html"><span class="name">GroupByOp</span></a><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><span class="permalink">
       <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@GroupByOp[IN,GROUP]extendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
-      <p class="shortcomment cmt">This represents a Processor with window 
aggregation
+      <p class="shortcomment cmt">This represents a Processor with groupBy and 
window aggregation
 </p>
     </li><li name="org.apache.gearpump.streaming.dsl.plan.MergeOp" visbl="pub" 
data-isabs="false" fullComment="no" group="Ungrouped">
       <a id="MergeOpextendsOpwithProductwithSerializable"></a>
@@ -148,7 +127,7 @@ to another Op to be used
         <span class="kind">case class</span>
       </span>
       <span class="symbol">
-        <a href="MergeOp.html"><span class="name">MergeOp</span></a><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>
+        <a href="MergeOp.html"><span class="name">MergeOp</span></a><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><span class="permalink">
       <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@MergeOpextendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
@@ -242,6 +221,85 @@ to another Op to be used
       </a>
     </span>
       <p class="shortcomment cmt">This represents a low level Processor.</p>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.TransformOp" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="TransformOp[IN,OUT]extendsOpwithProductwithSerializable"></a>
+      <a id="TransformOp[IN,OUT]:TransformOp[IN,OUT]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">case class</span>
+      </span>
+      <span class="symbol">
+        <a href="TransformOp.html"><span 
class="name">TransformOp</span></a><span class="tparams">[<span 
name="IN">IN</span>, <span name="OUT">OUT</span>]</span><span 
class="params">(<span name="fn">fn: <a href="functions/FunctionRunner.html" 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.functions.FunctionRunner">FunctionRunner</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformOp.IN">IN</span>, <span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformOp.OUT">OUT</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">Pro
 duct</span> with <span class="extype" 
name="scala.Serializable">Serializable</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@TransformOp[IN,OUT]extendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">This represents operations that can be 
chained together
+(e.g.</p><div class="fullcomment"><div class="comment cmt"><p>This represents 
operations that can be chained together
+(e.g. flatMap, map, filter, reduce) and further chained
+to another Op to be used
+</p></div></div>
+    </li><li 
name="org.apache.gearpump.streaming.dsl.plan.TransformWindowTransformOp" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="TransformWindowTransformOp[IN,MIDDLE,OUT]extendsOpwithProductwithSerializable"></a>
+      <a 
id="TransformWindowTransformOp[IN,MIDDLE,OUT]:TransformWindowTransformOp[IN,MIDDLE,OUT]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">case class</span>
+      </span>
+      <span class="symbol">
+        <a href="TransformWindowTransformOp.html"><span 
class="name">TransformWindowTransformOp</span></a><span class="tparams">[<span 
name="IN">IN</span>, <span name="MIDDLE">MIDDLE</span>, <span 
name="OUT">OUT</span>]</span><span class="params">(<span 
name="transformOp">transformOp: <a href="TransformOp.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformOp">TransformOp</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformWindowTransformOp.IN">IN</span>,
 <span class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformWindowTransformOp.MIDDLE">MIDDLE</span>]</span>,
 <span name="windowTransformOp">windowTransformOp: <a 
href="WindowTransformOp.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.WindowTransformOp">WindowTransformOp</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.TransformWindowTransformOp.MIDDLE">MIDDLE</span>,
 <span class="extype" name="org.apache.gearpump.streaming.dsl.pl
 an.TransformWindowTransformOp.OUT">OUT</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><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@TransformWindowTransformOp[IN,MIDDLE,OUT]extendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">This is an intermediate operation, produced 
by chaining TransformOp and WindowOp.</p><div class="fullcomment"><div 
class="comment cmt"><p>This is an intermediate operation, produced by chaining 
TransformOp and WindowOp.
+It will later be chained to a WindowOp, which results in two 
WindowTransformOps.
+Finally, they will be chained to a single WindowTransformOp.
+</p></div></div>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.WindowOp" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="WindowOpextendsOpwithProductwithSerializable"></a>
+      <a id="WindowOp:WindowOp"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">case class</span>
+      </span>
+      <span class="symbol">
+        <a href="WindowOp.html"><span class="name">WindowOp</span></a><span 
class="params">(<span name="windows">windows: <a 
href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a></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><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@WindowOpextendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">This represents a window aggregation, 
together with a following TransformOp
+</p>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.WindowTransformOp" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a 
id="WindowTransformOp[IN,OUT]extendsOpwithProductwithSerializable"></a>
+      <a id="WindowTransformOp[IN,OUT]:WindowTransformOp[IN,OUT]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">case class</span>
+      </span>
+      <span class="symbol">
+        <a href="WindowTransformOp.html"><span 
class="name">WindowTransformOp</span></a><span class="tparams">[<span 
name="IN">IN</span>, <span name="OUT">OUT</span>]</span><span 
class="params">(<span name="windowRunner">windowRunner: <a 
href="../window/impl/WindowRunner.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.impl.WindowRunner">WindowRunner</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.WindowTransformOp.IN">IN</span>, 
<span class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.WindowTransformOp.OUT">OUT</span>]</span>,
 <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>)</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><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@WindowTransformOp[IN,OUT]extendsOpwithProductwithSerializable"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">This is an intermediate operation, produced 
by chaining WindowOp and TransformOp.</p><div class="fullcomment"><div 
class="comment cmt"><p>This is an intermediate operation, produced by chaining 
WindowOp and TransformOp.
+Usually, it will be chained to a DataSourceOp, GroupByOp or MergeOp.
+Otherwise, it will be translated to a Processor of TransformTask.
+</p></div></div>
     </li></ol>
             </div>
 
@@ -266,8 +324,25 @@ to another Op to be used
       </a>
     </span>
       <p class="shortcomment cmt">The upstream OP and downstream OP doesn't 
require network data shuffle.</p><div class="fullcomment"><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>
+    </li><li name="org.apache.gearpump.streaming.dsl.plan.Op" visbl="pub" 
data-isabs="false" fullComment="no" group="Ungrouped">
+      <a id="Op"></a>
+      <a id="Op:Op"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">object</span>
+      </span>
+      <span class="symbol">
+        <a href="Op$.html"><span class="name">Op</span></a>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.plan.package@Op"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
     </li><li name="org.apache.gearpump.streaming.dsl.plan.Shuffle" visbl="pub" 
data-isabs="false" fullComment="yes" group="Ungrouped">
       <a id="Shuffle"></a>
       <a id="Shuffle:Shuffle"></a>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream$.html
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diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream$.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream$.html
index abfe039..cdc043a 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream$.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream$.html
@@ -167,19 +167,36 @@
       </a>
     </span>
       <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream#addWindowOp" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a 
id="addWindowOp(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],op:org.apache.gearpump.streaming.dsl.plan.Op,win:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.plan.Op"></a>
+      <a id="addWindowOp(Graph[Op,OpEdge],Op,Windows):Op"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">addWindowOp</span><span class="params">(<span 
name="graph">graph: <a href="../../../util/Graph.html" class="extype" 
name="org.apache.gearpump.util.Graph">Graph</a>[<a href="../plan/Op.html" 
class="extype" name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="op">op: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>, <span 
name="win">win: <a href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a></span>)</span><span
 class="result">: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream$@addWindowOp(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],op:org.apache.gearpump.streaming.dsl.plan.Op,win:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.plan.Op"
 title="Permalink" target="_top">
+        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
     </li><li name="org.apache.gearpump.streaming.dsl.scalaapi.Stream#apply" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="apply[T](graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],node:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge]):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
-      <a id="apply[T](Graph[Op,OpEdge],Op,Option[OpEdge]):Stream[T]"></a>
+      <a 
id="apply[T](graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],node:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge],windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
+      <a 
id="apply[T](Graph[Op,OpEdge],Op,Option[OpEdge],Windows):Stream[T]"></a>
       <h4 class="signature">
       <span class="modifier_kind">
         <span class="modifier"></span>
         <span class="kind">def</span>
       </span>
       <span class="symbol">
-        <span class="name">apply</span><span class="tparams">[<span 
name="T">T</span>]</span><span class="params">(<span name="graph">graph: <a 
href="../../../util/Graph.html" class="extype" 
name="org.apache.gearpump.util.Graph">Graph</a>[<a href="../plan/Op.html" 
class="extype" name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="node">node: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>, <span 
name="edge">edge: <span class="extype" name="scala.Option">Option</span>[<a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>)</span><span
 class="result">: <a href="Stream.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.apply
 .T">T</span>]</span>
+        <span class="name">apply</span><span class="tparams">[<span 
name="T">T</span>]</span><span class="params">(<span name="graph">graph: <a 
href="../../../util/Graph.html" class="extype" 
name="org.apache.gearpump.util.Graph">Graph</a>[<a href="../plan/Op.html" 
class="extype" name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="node">node: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>, <span 
name="edge">edge: <span class="extype" name="scala.Option">Option</span>[<a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="windows">windows: <a href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a></span>)</span><span
 class="result">: <a href="Stream.html" cla
 ss="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.apply.T">T</span>]</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream$@apply[T](graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],node:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge]):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream$@apply[T](graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],node:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge],windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream.html
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diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream.html
index be67b9a..4558619 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/Stream.html
@@ -91,7 +91,7 @@
         <div id="constructors" class="members">
               <h3>Instance Constructors</h3>
               <ol><li 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream#&lt;init&gt;" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a 
id="&lt;init&gt;(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],thisNode:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge]):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
+      <a 
id="&lt;init&gt;(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],thisNode:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge],windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
       <a id="&lt;init&gt;:Stream[T]"></a>
       <h4 class="signature">
       <span class="modifier_kind">
@@ -99,10 +99,10 @@
         <span class="kind">new</span>
       </span>
       <span class="symbol">
-        <span class="name">Stream</span><span class="params">(<span 
name="graph">graph: <a href="../../../util/Graph.html" class="extype" 
name="org.apache.gearpump.util.Graph">Graph</a>[<a href="../plan/Op.html" 
class="extype" name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="thisNode">thisNode: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>, <span 
name="edge">edge: <span class="extype" name="scala.Option">Option</span>[<a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>] = <span 
class="symbol">None</span></span>)</span>
+        <span class="name">Stream</span><span class="params">(<span 
name="graph">graph: <a href="../../../util/Graph.html" class="extype" 
name="org.apache.gearpump.util.Graph">Graph</a>[<a href="../plan/Op.html" 
class="extype" name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a>, <a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>]</span>, <span 
name="thisNode">thisNode: <a href="../plan/Op.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.Op">Op</a></span>, <span 
name="edge">edge: <span class="extype" name="scala.Option">Option</span>[<a 
href="../plan/OpEdge.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.plan.OpEdge">OpEdge</a>] = <span 
class="symbol">None</span></span>, <span name="windows">windows: <a 
href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a> = <span 
class="symbol"><span class="name"><a href="../../../../../packag
 e.html">GlobalWindows()</a></span></span></span>)</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@&lt;init&gt;(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],thisNode:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge]):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@&lt;init&gt;(graph:org.apache.gearpump.util.Graph[org.apache.gearpump.streaming.dsl.plan.Op,org.apache.gearpump.streaming.dsl.plan.OpEdge],thisNode:org.apache.gearpump.streaming.dsl.plan.Op,edge:Option[org.apache.gearpump.streaming.dsl.plan.OpEdge],windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
@@ -483,18 +483,18 @@ groupBy[People](_.gender) will group the people by 
gender.</p><p>You can append
       <p class="shortcomment cmt">Returns a new stream by applying a map 
function to each element.</p><div class="fullcomment"><div class="comment 
cmt"><p>Returns a new stream by applying a map function to each element.
 </p></div><dl class="paramcmts block"><dt class="param">fn</dt><dd 
class="cmt"><p>map function</p></dd><dt>returns</dt><dd class="cmt"><p>A new 
stream with type [R]</p></dd></dl></div>
     </li><li name="org.apache.gearpump.streaming.dsl.scalaapi.Stream#merge" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a 
id="merge(other:org.apache.gearpump.streaming.dsl.scalaapi.Stream[T],description:String):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
-      <a id="merge(Stream[T],String):Stream[T]"></a>
+      <a 
id="merge(other:org.apache.gearpump.streaming.dsl.scalaapi.Stream[T],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
+      <a id="merge(Stream[T],Int,String):Stream[T]"></a>
       <h4 class="signature">
       <span class="modifier_kind">
         <span class="modifier"></span>
         <span class="kind">def</span>
       </span>
       <span class="symbol">
-        <span class="name">merge</span><span class="params">(<span 
name="other">other: <a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>, 
<span name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;merge&quot;</span></span>)</span><span class="result">: <a 
href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>
+        <span class="name">merge</span><span class="params">(<span 
name="other">other: <a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</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;merge&quot;</span></span>)</span><span class="result">: <a 
href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@merge(other:org.apache.gearpump.streaming.dsl.scalaapi.Stream[T],description:String):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@merge(other:org.apache.gearpump.streaming.dsl.scalaapi.Stream[T],parallelism:Int,description:String):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
@@ -711,24 +711,24 @@ groupBy[People](_.gender) will group the people by 
gender.</p><p>You can append
               
         </dd></dl></div>
     </li><li name="org.apache.gearpump.streaming.dsl.scalaapi.Stream#window" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
-      <a 
id="window(win:org.apache.gearpump.streaming.dsl.window.api.Windows[T],description:String):org.apache.gearpump.streaming.dsl.scalaapi.WindowStream[T]"></a>
-      <a id="window(Windows[T],String):WindowStream[T]"></a>
+      <a 
id="window(windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"></a>
+      <a id="window(Windows):Stream[T]"></a>
       <h4 class="signature">
       <span class="modifier_kind">
         <span class="modifier"></span>
         <span class="kind">def</span>
       </span>
       <span class="symbol">
-        <span class="name">window</span><span class="params">(<span 
name="win">win: <a href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>, 
<span name="description">description: <span class="extype" 
name="scala.Predef.String">String</span> = <span 
class="symbol">&quot;window&quot;</span></span>)</span><span class="result">: 
<a href="WindowStream.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.WindowStream">WindowStream</a>[<span
 class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>
+        <span class="name">window</span><span class="params">(<span 
name="windows">windows: <a href="../window/api/Windows.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.window.api.Windows">Windows</a></span>)</span><span
 class="result">: <a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a>[<span 
class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream.T">T</span>]</span>
       </span>
       </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@window(win:org.apache.gearpump.streaming.dsl.window.api.Windows[T],description:String):org.apache.gearpump.streaming.dsl.scalaapi.WindowStream[T]"
 title="Permalink" target="_top">
+      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.Stream@window(windows:org.apache.gearpump.streaming.dsl.window.api.Windows):org.apache.gearpump.streaming.dsl.scalaapi.Stream[T]"
 title="Permalink" target="_top">
         <img src="../../../../../../lib/permalink.png" alt="Permalink" />
       </a>
     </span>
       <p class="shortcomment cmt">Window function
 </p><div class="fullcomment"><div class="comment cmt"><p>Window function
-</p></div><dl class="paramcmts block"><dt class="param">win</dt><dd 
class="cmt"><p>window definition</p></dd><dt class="param">description</dt><dd 
class="cmt"><p>window description</p></dd><dt>returns</dt><dd class="cmt"><p><a 
href="WindowStream.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.WindowStream">WindowStream</a> 
where groupBy could be applied</p></dd></dl></div>
+</p></div><dl class="paramcmts block"><dt class="param">windows</dt><dd 
class="cmt"><p>window definition</p></dd><dt>returns</dt><dd class="cmt"><p>the 
windowed <a href="" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.Stream">Stream</a></p></dd></dl></div>
     </li></ol>
             </div>
 

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/WindowStream.html
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diff --git 
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b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/WindowStream.html
deleted file mode 100644
index 9587169..0000000
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/WindowStream.html
+++ /dev/null
@@ -1,519 +0,0 @@
-<!DOCTYPE html >
-<html>
-        <head>
-          <title>WindowStream - 
org.apache.gearpump.streaming.dsl.scalaapi.WindowStream</title>
-          <meta name="description" content="WindowStream - 
org.apache.gearpump.streaming.dsl.scalaapi.WindowStream" />
-          <meta name="keywords" content="WindowStream 
org.apache.gearpump.streaming.dsl.scalaapi.WindowStream" />
-          <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
-          
-      <link href="../../../../../../lib/template.css" media="screen" 
type="text/css" rel="stylesheet" />
-      <link href="../../../../../../lib/diagrams.css" media="screen" 
type="text/css" rel="stylesheet" id="diagrams-css" />
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id="jquery-js"></script>
-      <script type="text/javascript" 
src="../../../../../../lib/jquery-ui.js"></script>
-      <script type="text/javascript" 
src="../../../../../../lib/template.js"></script>
-      <script type="text/javascript" 
src="../../../../../../lib/tools.tooltip.js"></script>
-      
-      <script type="text/javascript">
-         if(top === self) {
-            var url = '../../../../../../index.html';
-            var hash = 
'org.apache.gearpump.streaming.dsl.scalaapi.WindowStream';
-            var anchor = window.location.hash;
-            var anchor_opt = '';
-            if (anchor.length >= 1)
-              anchor_opt = '@' + anchor.substring(1);
-            window.location.href = url + '#' + hash + anchor_opt;
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-         </script>
-    
-        </head>
-        <body class="type">
-      <div id="definition">
-        <img alt="Class" src="../../../../../../lib/class_big.png" />
-        <p id="owner"><a href="../../../../../package.html" class="extype" 
name="org">org</a>.<a href="../../../../package.html" class="extype" 
name="org.apache">apache</a>.<a href="../../../package.html" class="extype" 
name="org.apache.gearpump">gearpump</a>.<a href="../../package.html" 
class="extype" name="org.apache.gearpump.streaming">streaming</a>.<a 
href="../package.html" class="extype" 
name="org.apache.gearpump.streaming.dsl">dsl</a>.<a href="package.html" 
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Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
-                <span class="name">@throws</span><span class="args">(<span>
-      
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name="classOf[java.lang.InterruptedException]">...</span>
-    </span>)</span>
-              
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-            </div>
-
-        
-
-        
-        </div>
-
-        <div id="inheritedMembers">
-        <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>
-            </div>
-        
-        </div>
-
-        <div id="groupedMembers">
-        <div class="group" name="Ungrouped">
-              <h3>Ungrouped</h3>
-              
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-        </div>
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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/scalaapi/functions/SerializableFunction.html
----------------------------------------------------------------------
diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/functions/SerializableFunction.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/functions/SerializableFunction.html
index fe8cc2b..fbeafb2 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/functions/SerializableFunction.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/functions/SerializableFunction.html
@@ -58,7 +58,7 @@ but subclasses like <a href="FlatMapFunction.html" 
class="extype" name="org.apac
           <div class="superTypes hiddenContent"><span class="extype" 
name="java.io.Serializable">Serializable</span>, <span class="extype" 
name="scala.AnyRef">AnyRef</span>, <span class="extype" 
name="scala.Any">Any</span></div>
         </div><div class="toggleContainer block">
             <span class="toggle">Known Subclasses</span>
-            <div class="subClasses hiddenContent"><a 
href="../../api/functions/FilterFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.FilterFunction">FilterFunction</a>,
 <a href="../../javaapi/functions/FlatMapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.javaapi.functions.FlatMapFunction">FlatMapFunction</a>,
 <a href="FlatMapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.functions.FlatMapFunction">FlatMapFunction</a>,
 <a href="../../api/functions/FoldFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.FoldFunction">FoldFunction</a>,
 <a href="../../javaapi/functions/GroupByFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction">GroupByFunction</a>,
 <a href="../../api/functions/MapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.MapFunction">MapFunction</a>,
 <a href="../../api/fun
 ctions/ReduceFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.ReduceFunction">ReduceFunction</a></div>
+            <div class="subClasses hiddenContent"><a 
href="../../api/functions/FilterFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.FilterFunction">FilterFunction</a>,
 <a href="FlatMapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.scalaapi.functions.FlatMapFunction">FlatMapFunction</a>,
 <a href="../../javaapi/functions/FlatMapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.javaapi.functions.FlatMapFunction">FlatMapFunction</a>,
 <a href="../../api/functions/FoldFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.FoldFunction">FoldFunction</a>,
 <a href="../../javaapi/functions/GroupByFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.javaapi.functions.GroupByFunction">GroupByFunction</a>,
 <a href="../../api/functions/MapFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.MapFunction">MapFunction</a>,
 <a href="../../api/fun
 ctions/ReduceFunction.html" class="extype" 
name="org.apache.gearpump.streaming.dsl.api.functions.ReduceFunction">ReduceFunction</a></div>
           </div></div>
         
 

http://git-wip-us.apache.org/repos/asf/incubator-gearpump-site/blob/f2a69d38/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/package.html
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diff --git 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/package.html
 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/package.html
index a111279..c23fae8 100644
--- 
a/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/package.html
+++ 
b/content/releases/latest/api/scala/org/apache/gearpump/streaming/dsl/scalaapi/package.html
@@ -159,23 +159,6 @@ groupBy(kv <span class="kw">=&gt;</span> 
kv._1).reduce(sum(_, _))
 
 <span class="kw">val</span> appId = context.submit(app)
 context.close()</pre></div></div>
-    </li><li name="org.apache.gearpump.streaming.dsl.scalaapi.WindowStream" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
-      <a id="WindowStream[T]extendsAnyRef"></a>
-      <a id="WindowStream[T]:WindowStream[T]"></a>
-      <h4 class="signature">
-      <span class="modifier_kind">
-        <span class="modifier"></span>
-        <span class="kind">class</span>
-      </span>
-      <span class="symbol">
-        <a href="WindowStream.html"><span 
class="name">WindowStream</span></a><span class="tparams">[<span 
name="T">T</span>]</span><span class="result"> extends <span class="extype" 
name="scala.AnyRef">AnyRef</span></span>
-      </span>
-      </h4><span class="permalink">
-      <a 
href="../../../../../../index.html#org.apache.gearpump.streaming.dsl.scalaapi.package@WindowStream[T]extendsAnyRef"
 title="Permalink" target="_top">
-        <img src="../../../../../../lib/permalink.png" alt="Permalink" />
-      </a>
-    </span>
-      
     </li></ol>
             </div>
 

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