http://git-wip-us.apache.org/repos/asf/predictionio-site/blob/0927bfda/api/current/org/apache/predictionio/controller/LFirstServing$.html
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+<!DOCTYPE html >
+<html>
+        <head>
+          <title>LFirstServing - PredictionIO Scala API 0.12.0-incubating - 
org.apache.predictionio.controller.LFirstServing</title>
+          <meta name="description" content="LFirstServing - PredictionIO Scala 
API 0.12.0 - incubating - org.apache.predictionio.controller.LFirstServing" />
+          <meta name="keywords" content="LFirstServing PredictionIO Scala API 
0.12.0 incubating org.apache.predictionio.controller.LFirstServing" />
+          <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+          
+      <link href="../../../../lib/template.css" media="screen" type="text/css" 
rel="stylesheet" />
+      <link href="../../../../lib/diagrams.css" media="screen" type="text/css" 
rel="stylesheet" id="diagrams-css" />
+      <script type="text/javascript" src="../../../../lib/jquery.js" 
id="jquery-js"></script>
+      <script type="text/javascript" 
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+      <script type="text/javascript" 
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+      
+      <script type="text/javascript">
+         if(top === self) {
+            var url = '../../../../index.html';
+            var hash = 'org.apache.predictionio.controller.LFirstServing$';
+            var anchor = window.location.hash;
+            var anchor_opt = '';
+            if (anchor.length >= 1)
+              anchor_opt = '@' + anchor.substring(1);
+            window.location.href = url + '#' + hash + anchor_opt;
+         }
+         </script>
+    
+        </head>
+        <body class="value">
+      <div id="definition">
+        <a href="LFirstServing.html" title="See companion class"><img 
alt="Object/Class" src="../../../../lib/object_to_class_big.png" /></a>
+        <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.predictionio">predictionio</a>.<a href="package.html" 
class="extype" name="org.apache.predictionio.controller">controller</a></p>
+        <h1><a href="LFirstServing.html" title="See companion 
class">LFirstServing</a></h1><h3><span class="morelinks"><div>
+            Related Docs:
+            <a href="LFirstServing.html" title="See companion class">class 
LFirstServing</a>
+            | <a href="package.html" class="extype" 
name="org.apache.predictionio.controller">package controller</a>
+          </div></span></h3><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$" 
title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      </div>
+
+      <h4 id="signature" class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">object</span>
+      </span>
+      <span class="symbol">
+        <span class="name">LFirstServing</span><span class="result"> extends 
<a href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Serializable"; 
class="extype" target="_top">Serializable</a></span>
+      </span>
+      </h4>
+      
+          <div id="comment" class="fullcommenttop"><div class="comment 
cmt"><p>A concrete implementation of <a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a> returning the 
first algorithm's
+prediction result directly without any modification.
+</p></div><div class="toggleContainer block">
+          <span class="toggle">Linear Supertypes</span>
+          <div class="superTypes hiddenContent"><a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Serializable"; 
class="extype" target="_top">Serializable</a>, <span class="extype" 
name="java.io.Serializable">Serializable</span>, <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a>, <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></div>
+        </div></div>
+        
+
+      <div id="mbrsel">
+        <div id="textfilter"><span class="pre"></span><span 
class="input"><input id="mbrsel-input" type="text" accesskey="/" /></span><span 
class="post"></span></div>
+        <div id="order">
+              <span class="filtertype">Ordering</span>
+              <ol>
+                
+                <li class="alpha in"><span>Alphabetic</span></li>
+                <li class="inherit out"><span>By Inheritance</span></li>
+              </ol>
+            </div>
+        <div id="ancestors">
+                <span class="filtertype">Inherited<br />
+                </span>
+                <ol id="linearization">
+                  <li class="in" 
name="org.apache.predictionio.controller.LFirstServing"><span>LFirstServing</span></li><li
 class="in" name="scala.Serializable"><span>Serializable</span></li><li 
class="in" name="java.io.Serializable"><span>Serializable</span></li><li 
class="in" name="scala.AnyRef"><span>AnyRef</span></li><li class="in" 
name="scala.Any"><span>Any</span></li>
+                </ol>
+              </div><div id="ancestors">
+            <span class="filtertype"></span>
+            <ol>
+              <li class="hideall out"><span>Hide All</span></li>
+              <li class="showall in"><span>Show All</span></li>
+            </ol>
+          </div>
+        <div id="visbl">
+            <span class="filtertype">Visibility</span>
+            <ol><li class="public in"><span>Public</span></li><li class="all 
out"><span>All</span></li></ol>
+          </div>
+      </div>
+
+      <div id="template">
+        <div id="allMembers">
+        
+
+        
+
+        
+
+        <div id="values" class="values members">
+              <h3>Value Members</h3>
+              <ol><li name="scala.AnyRef#!=" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="!=(x$1:Any):Boolean"></a>
+      <a id="!=(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $bang$eq" class="name">!=</span><span 
class="params">(<span name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@!=(x$1:Any):Boolean"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef###" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="##():Int"></a>
+      <a id="##():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $hash$hash" class="name">##</span><span 
class="params">()</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Int"; class="extype" 
target="_top">Int</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@##():Int"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#==" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="==(x$1:Any):Boolean"></a>
+      <a id="==(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $eq$eq" class="name">==</span><span 
class="params">(<span name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@==(x$1:Any):Boolean"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="org.apache.predictionio.controller.LFirstServing#apply" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a 
id="apply[Q,P](a:Class[_&lt;:org.apache.predictionio.core.BaseAlgorithm[_,_,Q,P]]):Class[org.apache.predictionio.controller.LFirstServing[Q,P]]"></a>
+      <a 
id="apply[Q,P](Class[_&lt;:BaseAlgorithm[_,_,Q,P]]):Class[LFirstServing[Q,P]]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">apply</span><span class="tparams">[<span 
name="Q">Q</span>, <span name="P">P</span>]</span><span class="params">(<span 
name="a">a: <span class="extype" name="scala.Predef.Class">Class</span>[_ &lt;: 
<a href="../core/BaseAlgorithm.html" class="extype" 
name="org.apache.predictionio.core.BaseAlgorithm">BaseAlgorithm</a>[_, _, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.apply.Q">Q</span>, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.apply.P">P</span>]]</span>)</span><span
 class="result">: <span class="extype" 
name="scala.Predef.Class">Class</span>[<a href="LFirstServing.html" 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing">LFirstServing</a>[<span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.apply.Q">Q</span>, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.apply.P">P</span>]]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@apply[Q,P](a:Class[_&lt;:org.apache.predictionio.core.BaseAlgorithm[_,_,Q,P]]):Class[org.apache.predictionio.controller.LFirstServing[Q,P]]"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">Returns an instance of <a 
href="LFirstServing.html" class="extype" 
name="org.apache.predictionio.controller.LFirstServing">LFirstServing</a>.</p>
+    </li><li name="scala.Any#asInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="asInstanceOf[T0]:T0"></a>
+      <a id="asInstanceOf[T0]:T0"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">asInstanceOf</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="result">: <span class="extype" 
name="scala.Any.asInstanceOf.T0">T0</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@asInstanceOf[T0]:T0"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>Any</dd></dl></div>
+    </li><li name="scala.AnyRef#clone" visbl="prt" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="clone():Object"></a>
+      <a id="clone():AnyRef"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">clone</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@clone():Object"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> 
<dt>Attributes</dt><dd>protected[<a href="../../../../java$lang.html" 
class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition 
Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.CloneNotSupportedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="eq(x$1:AnyRef):Boolean"></a>
+      <a id="eq(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">eq</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@eq(x$1:AnyRef):Boolean"
 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="scala.AnyRef#equals" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="equals(x$1:Any):Boolean"></a>
+      <a id="equals(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">equals</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@equals(x$1:Any):Boolean"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#finalize" visbl="prt" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="finalize():Unit"></a>
+      <a id="finalize():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">finalize</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@finalize():Unit"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> 
<dt>Attributes</dt><dd>protected[<a href="../../../../java$lang.html" 
class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition 
Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="symbol">classOf[java.lang.Throwable]</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#getClass" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="getClass():Class[_]"></a>
+      <a id="getClass():Class[_]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">getClass</span><span class="params">()</span><span 
class="result">: <span class="extype" 
name="java.lang.Class">Class</span>[_]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@getClass():Class[_]"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#hashCode" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="hashCode():Int"></a>
+      <a id="hashCode():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">hashCode</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Int"; class="extype" 
target="_top">Int</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@hashCode():Int"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.Any#isInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="isInstanceOf[T0]:Boolean"></a>
+      <a id="isInstanceOf[T0]:Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">isInstanceOf</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@isInstanceOf[T0]:Boolean"
 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>Any</dd></dl></div>
+    </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="ne(x$1:AnyRef):Boolean"></a>
+      <a id="ne(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">ne</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@ne(x$1:AnyRef):Boolean"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="scala.AnyRef#notify" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="notify():Unit"></a>
+      <a id="notify():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
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class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@notify():Unit"
 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="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="notifyAll():Unit"></a>
+      <a id="notifyAll():Unit"></a>
+      <h4 class="signature">
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+        <span class="modifier">final </span>
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+      <span class="symbol">
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class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
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+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef</dd></dl></div>
+    </li><li name="scala.AnyRef#synchronized" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="synchronized[T0](x$1:=&gt;T0):T0"></a>
+      <a id="synchronized[T0](⇒T0):T0"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">synchronized</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="params">(<span name="arg0">arg0: ⇒ 
<span class="extype" 
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class="result">: <span class="extype" 
name="java.lang.AnyRef.synchronized.T0">T0</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@synchronized[T0](x$1:=&gt;T0):T0"
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+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
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+    </li><li name="scala.AnyRef#toString" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="toString():String"></a>
+      <a id="toString():String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toString</span><span class="params">()</span><span 
class="result">: <span class="extype" 
name="java.lang.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@toString():String"
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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>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="wait():Unit"></a>
+      <a id="wait():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">wait</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@wait():Unit"
 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><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.InterruptedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="wait(x$1:Long,x$2:Int):Unit"></a>
+      <a id="wait(Long,Int):Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">wait</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Long"; 
class="extype" target="_top">Long</a></span>, <span name="arg1">arg1: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Int"; class="extype" 
target="_top">Int</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@wait(x$1:Long,x$2:Int):Unit"
 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><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.InterruptedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="wait(x$1:Long):Unit"></a>
+      <a id="wait(Long):Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">wait</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Long"; 
class="extype" target="_top">Long</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing$@wait(x$1:Long):Unit"
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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>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.InterruptedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li></ol>
+            </div>
+
+        
+
+        
+        </div>
+
+        <div id="inheritedMembers">
+        <div class="parent" name="scala.Serializable">
+              <h3>Inherited from <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Serializable"; 
class="extype" target="_top">Serializable</a></h3>
+            </div><div class="parent" name="java.io.Serializable">
+              <h3>Inherited from <span class="extype" 
name="java.io.Serializable">Serializable</span></h3>
+            </div><div class="parent" name="scala.AnyRef">
+              <h3>Inherited from <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></h3>
+            </div><div class="parent" name="scala.Any">
+              <h3>Inherited from <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></h3>
+            </div>
+        
+        </div>
+
+        <div id="groupedMembers">
+        <div class="group" name="Ungrouped">
+              <h3>Ungrouped</h3>
+              
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+        </div>
+
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+      </html>

http://git-wip-us.apache.org/repos/asf/predictionio-site/blob/0927bfda/api/current/org/apache/predictionio/controller/LFirstServing.html
----------------------------------------------------------------------
diff --git a/api/current/org/apache/predictionio/controller/LFirstServing.html 
b/api/current/org/apache/predictionio/controller/LFirstServing.html
new file mode 100644
index 0000000..da0ea5c
--- /dev/null
+++ b/api/current/org/apache/predictionio/controller/LFirstServing.html
@@ -0,0 +1,601 @@
+<!DOCTYPE html >
+<html>
+        <head>
+          <title>LFirstServing - PredictionIO Scala API 0.12.0-incubating - 
org.apache.predictionio.controller.LFirstServing</title>
+          <meta name="description" content="LFirstServing - PredictionIO Scala 
API 0.12.0 - incubating - org.apache.predictionio.controller.LFirstServing" />
+          <meta name="keywords" content="LFirstServing PredictionIO Scala API 
0.12.0 incubating org.apache.predictionio.controller.LFirstServing" />
+          <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" />
+      <script type="text/javascript" src="../../../../lib/jquery.js" 
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.predictionio.controller.LFirstServing';
+            var anchor = window.location.hash;
+            var anchor_opt = '';
+            if (anchor.length >= 1)
+              anchor_opt = '@' + anchor.substring(1);
+            window.location.href = url + '#' + hash + anchor_opt;
+         }
+         </script>
+    
+        </head>
+        <body class="type">
+      <div id="definition">
+        <a href="LFirstServing$.html" title="See companion object"><img 
alt="Class/Object" src="../../../../lib/class_to_object_big.png" /></a>
+        <p id="owner"><a href="../../../package.html" class="extype" 
name="org">org</a>.<a href="../../package.html" class="extype" 
name="org.apache">apache</a>.<a href="../package.html" class="extype" 
name="org.apache.predictionio">predictionio</a>.<a href="package.html" 
class="extype" name="org.apache.predictionio.controller">controller</a></p>
+        <h1><a href="LFirstServing$.html" title="See companion 
object">LFirstServing</a></h1><h3><span class="morelinks"><div>
+            Related Docs:
+            <a href="LFirstServing$.html" title="See companion object">object 
LFirstServing</a>
+            | <a href="package.html" class="extype" 
name="org.apache.predictionio.controller">package controller</a>
+          </div></span></h3><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing" 
title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      </div>
+
+      <h4 id="signature" class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">class</span>
+      </span>
+      <span class="symbol">
+        <span class="name">LFirstServing</span><span class="tparams">[<span 
name="Q">Q</span>, <span name="P">P</span>]</span><span class="result"> extends 
<a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a>[<span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span>, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span>]</span>
+      </span>
+      </h4>
+      
+          <div id="comment" class="fullcommenttop"><div class="comment 
cmt"><p>A concrete implementation of <a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a> returning the 
first algorithm's
+prediction result directly without any modification.
+</p></div><div class="toggleContainer block">
+          <span class="toggle">Linear Supertypes</span>
+          <div class="superTypes hiddenContent"><a href="LServing.html" 
class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a>[<span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span>, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span>], <a 
href="../core/BaseServing.html" class="extype" 
name="org.apache.predictionio.core.BaseServing">BaseServing</a>[<span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span>, <span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span>], <a 
href="../core/AbstractDoer.html" class="extype" 
name="org.apache.predictionio.core.AbstractDoer">AbstractDoer</a>, <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Serializable"; 
class="extype" target="_top">Serializable</a>, <span class="extype" 
name="java.io.Serializable">Serializable</span>, <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala
 .AnyRef" class="extype" target="_top">AnyRef</a>, <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></div>
+        </div></div>
+        
+
+      <div id="mbrsel">
+        <div id="textfilter"><span class="pre"></span><span 
class="input"><input id="mbrsel-input" type="text" accesskey="/" /></span><span 
class="post"></span></div>
+        <div id="order">
+              <span class="filtertype">Ordering</span>
+              <ol>
+                
+                <li class="alpha in"><span>Alphabetic</span></li>
+                <li class="inherit out"><span>By Inheritance</span></li>
+              </ol>
+            </div>
+        <div id="ancestors">
+                <span class="filtertype">Inherited<br />
+                </span>
+                <ol id="linearization">
+                  <li class="in" 
name="org.apache.predictionio.controller.LFirstServing"><span>LFirstServing</span></li><li
 class="in" 
name="org.apache.predictionio.controller.LServing"><span>LServing</span></li><li
 class="in" 
name="org.apache.predictionio.core.BaseServing"><span>BaseServing</span></li><li
 class="in" 
name="org.apache.predictionio.core.AbstractDoer"><span>AbstractDoer</span></li><li
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class="in" name="java.io.Serializable"><span>Serializable</span></li><li 
class="in" name="scala.AnyRef"><span>AnyRef</span></li><li class="in" 
name="scala.Any"><span>Any</span></li>
+                </ol>
+              </div><div id="ancestors">
+            <span class="filtertype"></span>
+            <ol>
+              <li class="hideall out"><span>Hide All</span></li>
+              <li class="showall in"><span>Show All</span></li>
+            </ol>
+          </div>
+        <div id="visbl">
+            <span class="filtertype">Visibility</span>
+            <ol><li class="public in"><span>Public</span></li><li class="all 
out"><span>All</span></li></ol>
+          </div>
+      </div>
+
+      <div id="template">
+        <div id="allMembers">
+        <div id="constructors" class="members">
+              <h3>Instance Constructors</h3>
+              <ol><li 
name="org.apache.predictionio.controller.LFirstServing#&lt;init&gt;" 
visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped">
+      <a 
id="&lt;init&gt;():org.apache.predictionio.controller.LFirstServing[Q,P]"></a>
+      <a id="&lt;init&gt;:LFirstServing[Q,P]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">new</span>
+      </span>
+      <span class="symbol">
+        <span class="name">LFirstServing</span><span class="params">()</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@&lt;init&gt;():org.apache.predictionio.controller.LFirstServing[Q,P]"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      
+    </li></ol>
+            </div>
+
+        
+
+        
+
+        <div id="values" class="values members">
+              <h3>Value Members</h3>
+              <ol><li name="scala.AnyRef#!=" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="!=(x$1:Any):Boolean"></a>
+      <a id="!=(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
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+      <span class="symbol">
+        <span title="gt4s: $bang$eq" class="name">!=</span><span 
class="params">(<span name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@!=(x$1:Any):Boolean"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef###" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="##():Int"></a>
+      <a id="##():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span title="gt4s: $hash$hash" class="name">##</span><span 
class="params">()</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Int"; class="extype" 
target="_top">Int</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@##():Int"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#==" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="==(x$1:Any):Boolean"></a>
+      <a id="==(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
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+      <span class="symbol">
+        <span title="gt4s: $eq$eq" class="name">==</span><span 
class="params">(<span name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@==(x$1:Any):Boolean"
 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 → Any</dd></dl></div>
+    </li><li name="scala.Any#asInstanceOf" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="asInstanceOf[T0]:T0"></a>
+      <a id="asInstanceOf[T0]:T0"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">asInstanceOf</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="result">: <span class="extype" 
name="scala.Any.asInstanceOf.T0">T0</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@asInstanceOf[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>Any</dd></dl></div>
+    </li><li name="scala.AnyRef#clone" visbl="prt" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="clone():Object"></a>
+      <a id="clone():AnyRef"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">clone</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@clone():Object"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> 
<dt>Attributes</dt><dd>protected[<a href="../../../../java$lang.html" 
class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition 
Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.CloneNotSupportedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#eq" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="eq(x$1:AnyRef):Boolean"></a>
+      <a id="eq(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">eq</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@eq(x$1:AnyRef):Boolean"
 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="scala.AnyRef#equals" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="equals(x$1:Any):Boolean"></a>
+      <a id="equals(Any):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">equals</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Any"; class="extype" 
target="_top">Any</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@equals(x$1:Any):Boolean"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> <dt>Definition 
Classes</dt><dd>AnyRef → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#finalize" visbl="prt" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="finalize():Unit"></a>
+      <a id="finalize():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">finalize</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@finalize():Unit"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <div class="fullcomment"><dl class="attributes block"> 
<dt>Attributes</dt><dd>protected[<a href="../../../../java$lang.html" 
class="extype" name="java.lang">java.lang</a>] </dd><dt>Definition 
Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="symbol">classOf[java.lang.Throwable]</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#getClass" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="getClass():Class[_]"></a>
+      <a id="getClass():Class[_]"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">getClass</span><span class="params">()</span><span 
class="result">: <span class="extype" 
name="java.lang.Class">Class</span>[_]</span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@getClass():Class[_]"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#hashCode" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="hashCode():Int"></a>
+      <a id="hashCode():Int"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">hashCode</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Int"; class="extype" 
target="_top">Int</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@hashCode():Int"
 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 → Any</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>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">isInstanceOf</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@isInstanceOf[T0]:Boolean"
 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>Any</dd></dl></div>
+    </li><li name="scala.AnyRef#ne" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="ne(x$1:AnyRef):Boolean"></a>
+      <a id="ne(AnyRef):Boolean"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">ne</span><span class="params">(<span 
name="arg0">arg0: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.AnyRef"; 
class="extype" target="_top">AnyRef</a></span>)</span><span class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Boolean"; 
class="extype" target="_top">Boolean</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@ne(x$1:AnyRef):Boolean"
 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="scala.AnyRef#notify" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="notify():Unit"></a>
+      <a id="notify():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">notify</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@notify():Unit"
 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="scala.AnyRef#notifyAll" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="notifyAll():Unit"></a>
+      <a id="notifyAll():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">notifyAll</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@notifyAll():Unit"
 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.predictionio.controller.LFirstServing#serve" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="serve(query:Q,predictions:Seq[P]):P"></a>
+      <a id="serve(Q,Seq[P]):P"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">serve</span><span class="params">(<span 
name="query">query: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>, 
<span name="predictions">predictions: <span class="extype" 
name="scala.Seq">Seq</span>[<span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span>]</span>)</span><span
 class="result">: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@serve(query:Q,predictions:Seq[P]):P"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">Returns the first algorithm's 
prediction.</p><div class="fullcomment"><div class="comment cmt"><p>Returns the 
first algorithm's prediction.</p></div><dl class="paramcmts block"><dt 
class="param">query</dt><dd class="cmt"><p>Original input query.</p></dd><dt 
class="param">predictions</dt><dd class="cmt"><p>A list of algorithms' 
predictions.</p></dd></dl><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="" class="extype" 
name="org.apache.predictionio.controller.LFirstServing">LFirstServing</a> → 
<a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a></dd></dl></div>
+    </li><li name="org.apache.predictionio.controller.LServing#serveBase" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="serveBase(q:Q,ps:Seq[P]):P"></a>
+      <a id="serveBase(Q,Seq[P]):P"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">serveBase</span><span class="params">(<span 
name="q">q: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>, 
<span name="ps">ps: <span class="extype" name="scala.Seq">Seq</span>[<span 
class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span>]</span>)</span><span
 class="result">: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.P">P</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@serveBase(q:Q,ps:Seq[P]):P"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">:: DeveloperApi ::
+Engine developers should not use this directly.</p><div 
class="fullcomment"><div class="comment cmt"><p>:: DeveloperApi ::
+Engine developers should not use this directly. This is called by serving
+layer to combine multiple predicted results from multiple algorithms, and
+custom business logic before serving to the end user.
+</p></div><dl class="paramcmts block"><dt class="param">q</dt><dd 
class="cmt"><p>Query</p></dd><dt class="param">ps</dt><dd class="cmt"><p>List 
of predicted results</p></dd><dt>returns</dt><dd class="cmt"><p>A single 
predicted result</p></dd></dl><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a> → <a 
href="../core/BaseServing.html" class="extype" 
name="org.apache.predictionio.core.BaseServing">BaseServing</a></dd></dl></div>
+    </li><li name="org.apache.predictionio.controller.LServing#supplement" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="supplement(q:Q):Q"></a>
+      <a id="supplement(Q):Q"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">supplement</span><span class="params">(<span 
name="q">q: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>)</span><span
 class="result">: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@supplement(q:Q):Q"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">:: Experimental ::
+Implement this method to supplement the query before sending it to
+algorithms.</p><div class="fullcomment"><div class="comment cmt"><p>:: 
Experimental ::
+Implement this method to supplement the query before sending it to
+algorithms.
+</p></div><dl class="paramcmts block"><dt class="param">q</dt><dd 
class="cmt"><p>Query</p></dd><dt>returns</dt><dd class="cmt"><p>A supplemented 
Query</p></dd></dl><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a></dd><dt>Annotations</dt><dd>
+                <span class="name">@Experimental</span><span 
class="args">()</span>
+              
+        </dd></dl></div>
+    </li><li name="org.apache.predictionio.controller.LServing#supplementBase" 
visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped">
+      <a id="supplementBase(q:Q):Q"></a>
+      <a id="supplementBase(Q):Q"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">supplementBase</span><span class="params">(<span 
name="q">q: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>)</span><span
 class="result">: <span class="extype" 
name="org.apache.predictionio.controller.LFirstServing.Q">Q</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@supplementBase(q:Q):Q"
 title="Permalink" target="_top">
+        <img src="../../../../lib/permalink.png" alt="Permalink" />
+      </a>
+    </span>
+      <p class="shortcomment cmt">:: Experimental ::
+Engine developers should not use this directly.</p><div 
class="fullcomment"><div class="comment cmt"><p>:: Experimental ::
+Engine developers should not use this directly. This is called by serving
+layer to supplement process the query before sending it to algorithms.
+</p></div><dl class="paramcmts block"><dt class="param">q</dt><dd 
class="cmt"><p>Query</p></dd><dt>returns</dt><dd class="cmt"><p>A supplement 
Query</p></dd></dl><dl class="attributes block"> <dt>Definition 
Classes</dt><dd><a href="LServing.html" class="extype" 
name="org.apache.predictionio.controller.LServing">LServing</a> → <a 
href="../core/BaseServing.html" class="extype" 
name="org.apache.predictionio.core.BaseServing">BaseServing</a></dd></dl></div>
+    </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>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">synchronized</span><span class="tparams">[<span 
name="T0">T0</span>]</span><span class="params">(<span name="arg0">arg0: ⇒ 
<span class="extype" 
name="java.lang.AnyRef.synchronized.T0">T0</span></span>)</span><span 
class="result">: <span class="extype" 
name="java.lang.AnyRef.synchronized.T0">T0</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@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="scala.AnyRef#toString" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="toString():String"></a>
+      <a id="toString():String"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier"></span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">toString</span><span class="params">()</span><span 
class="result">: <span class="extype" 
name="java.lang.String">String</span></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@toString():String"
 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 → Any</dd></dl></div>
+    </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="wait():Unit"></a>
+      <a id="wait():Unit"></a>
+      <h4 class="signature">
+      <span class="modifier_kind">
+        <span class="modifier">final </span>
+        <span class="kind">def</span>
+      </span>
+      <span class="symbol">
+        <span class="name">wait</span><span class="params">()</span><span 
class="result">: <a 
href="http://www.scala-lang.org/api/2.11.8/index.html#scala.Unit"; 
class="extype" target="_top">Unit</a></span>
+      </span>
+      </h4><span class="permalink">
+      <a 
href="../../../../index.html#org.apache.predictionio.controller.LFirstServing@wait():Unit"
 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><dt>Annotations</dt><dd>
+                <span class="name">@throws</span><span class="args">(<span>
+      
+      <span class="defval" 
name="classOf[java.lang.InterruptedException]">...</span>
+    </span>)</span>
+              
+        </dd></dl></div>
+    </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" 
fullComment="yes" group="Ungrouped">
+      <a id="wait(x$1:Long,x$2:Int):Unit"></a>
+      <a id="wait(Long,Int):Unit"></a>
+      <h4 class="signature">
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