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| <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>Base class of a local data source.</p><p>A local data source runs locally within a single machine and return data |
| that can fit within a single machine. |
| </p></div><dl class="paramcmts block"><dt class="tparam">TD</dt><dd class="cmt"><p>Training data class.</p></dd><dt class="tparam">EI</dt><dd class="cmt"><p>Evaluation Info class.</p></dd><dt class="tparam">Q</dt><dd class="cmt"><p>Input query class.</p></dd><dt class="tparam">A</dt><dd class="cmt"><p>Actual value class.</p></dd></dl><div class="toggleContainer block"> |
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| <p class="shortcomment cmt">Implement this method to only return training data from a data source</p> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="scala.AnyRef#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/2.11.12/index.html#scala.Unit" class="extype" target="_top">Unit</a></span> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="org.apache.predictionio.controller.LDataSource#readEval" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="readEval():Seq[(TD,EI,Seq[(Q,A)])]"></a> |
| <a id="readEval():Seq[(TD,EI,Seq[(Q,A)])]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">readEval</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[(<span class="extype" name="org.apache.predictionio.controller.LDataSource.TD">TD</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.EI">EI</span>, <span class="extype" name="scala.Seq">Seq</span>[(<span class="extype" name="org.apache.predictionio.controller.LDataSource.Q">Q</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.A">A</span>)])]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.predictionio.controller.LDataSource@readEval():Seq[(TD,EI,Seq[(Q,A)])]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">To provide evaluation feature for your engine, your must override this |
| method to return data for evaluation from a data source.</p><div class="fullcomment"><div class="comment cmt"><p>To provide evaluation feature for your engine, your must override this |
| method to return data for evaluation from a data source. Returned data can |
| optionally include a sequence of query and actual value pairs for |
| evaluation purpose.</p><p>The default implementation returns an empty sequence as a stub, so that |
| an engine can be compiled without implementing evaluation. |
| </p></div></div> |
| </li><li name="org.apache.predictionio.controller.LDataSource#readEvalBase" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="readEvalBase(sc:org.apache.spark.SparkContext):Seq[(org.apache.spark.rdd.RDD[TD],EI,org.apache.spark.rdd.RDD[(Q,A)])]"></a> |
| <a id="readEvalBase(SparkContext):Seq[(RDD[TD],EI,RDD[(Q,A)])]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">readEvalBase</span><span class="params">(<span name="sc">sc: <span class="extype" name="org.apache.spark.SparkContext">SparkContext</span></span>)</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[(<span class="extype" name="org.apache.spark.rdd.RDD">RDD</span>[<span class="extype" name="org.apache.predictionio.controller.LDataSource.TD">TD</span>], <span class="extype" name="org.apache.predictionio.controller.LDataSource.EI">EI</span>, <span class="extype" name="org.apache.spark.rdd.RDD">RDD</span>[(<span class="extype" name="org.apache.predictionio.controller.LDataSource.Q">Q</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.A">A</span>)])]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.predictionio.controller.LDataSource@readEvalBase(sc:org.apache.spark.SparkContext):Seq[(org.apache.spark.rdd.RDD[TD],EI,org.apache.spark.rdd.RDD[(Q,A)])]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">:: DeveloperApi :: |
| Engine developer should not use this directly.</p><div class="fullcomment"><div class="comment cmt"><p>:: DeveloperApi :: |
| Engine developer should not use this directly. This is called by |
| evaluation workflow to read training and validation data. |
| </p></div><dl class="paramcmts block"><dt class="param">sc</dt><dd class="cmt"><p>Spark context</p></dd><dt>returns</dt><dd class="cmt"><p>Sets of training data, evaluation information, queries, and actual |
| results</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.predictionio.controller.LDataSource">LDataSource</a> → <a href="../core/BaseDataSource.html" class="extype" name="org.apache.predictionio.core.BaseDataSource">BaseDataSource</a></dd></dl></div> |
| </li><li name="org.apache.predictionio.controller.LDataSource#readTrainingBase" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="readTrainingBase(sc:org.apache.spark.SparkContext):org.apache.spark.rdd.RDD[TD]"></a> |
| <a id="readTrainingBase(SparkContext):RDD[TD]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">readTrainingBase</span><span class="params">(<span name="sc">sc: <span class="extype" name="org.apache.spark.SparkContext">SparkContext</span></span>)</span><span class="result">: <span class="extype" name="org.apache.spark.rdd.RDD">RDD</span>[<span class="extype" name="org.apache.predictionio.controller.LDataSource.TD">TD</span>]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.predictionio.controller.LDataSource@readTrainingBase(sc:org.apache.spark.SparkContext):org.apache.spark.rdd.RDD[TD]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <p class="shortcomment cmt">:: DeveloperApi :: |
| Engine developer should not use this directly.</p><div class="fullcomment"><div class="comment cmt"><p>:: DeveloperApi :: |
| Engine developer should not use this directly. This is called by workflow |
| to read training data. |
| </p></div><dl class="paramcmts block"><dt class="param">sc</dt><dd class="cmt"><p>Spark context</p></dd><dt>returns</dt><dd class="cmt"><p>Training data</p></dd></dl><dl class="attributes block"> <dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.predictionio.controller.LDataSource">LDataSource</a> → <a href="../core/BaseDataSource.html" class="extype" name="org.apache.predictionio.core.BaseDataSource">BaseDataSource</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:=>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"> |
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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> |
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| <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/2.11.12/index.html#scala.Unit" class="extype" target="_top">Unit</a></span> |
| </span> |
| </h4><span class="permalink"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </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/2.11.12/index.html#scala.Long" class="extype" target="_top">Long</a></span>, <span name="arg1">arg1: <a href="http://www.scala-lang.org/api/2.11.12/index.html#scala.Int" class="extype" target="_top">Int</a></span>)</span><span class="result">: <a href="http://www.scala-lang.org/api/2.11.12/index.html#scala.Unit" class="extype" target="_top">Unit</a></span> |
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| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
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| <a id="wait(x$1:Long):Unit"></a> |
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| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">(<span name="arg0">arg0: <a href="http://www.scala-lang.org/api/2.11.12/index.html#scala.Long" class="extype" target="_top">Long</a></span>)</span><span class="result">: <a href="http://www.scala-lang.org/api/2.11.12/index.html#scala.Unit" class="extype" target="_top">Unit</a></span> |
| </span> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd><dt>Annotations</dt><dd> |
| <span class="name">@throws</span><span class="args">(<span> |
| |
| <span class="defval" name="classOf[java.lang.InterruptedException]">...</span> |
| </span>)</span> |
| |
| </dd></dl></div> |
| </li></ol> |
| </div> |
| |
| |
| |
| <div id="values" class="values members"> |
| <h3>Deprecated Value Members</h3> |
| <ol><li name="org.apache.predictionio.controller.LDataSource#read" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="read():Seq[(TD,EI,Seq[(Q,A)])]"></a> |
| <a id="read():Seq[(TD,EI,Seq[(Q,A)])]"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier"></span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name deprecated" title="Deprecated: (Since version 0.9.0) Use readEval() instead.">read</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Seq">Seq</span>[(<span class="extype" name="org.apache.predictionio.controller.LDataSource.TD">TD</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.EI">EI</span>, <span class="extype" name="scala.Seq">Seq</span>[(<span class="extype" name="org.apache.predictionio.controller.LDataSource.Q">Q</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.A">A</span>)])]</span> |
| </span> |
| </h4><span class="permalink"> |
| <a href="../../../../index.html#org.apache.predictionio.controller.LDataSource@read():Seq[(TD,EI,Seq[(Q,A)])]" title="Permalink" target="_top"> |
| <img src="../../../../lib/permalink.png" alt="Permalink" /> |
| </a> |
| </span> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Annotations</dt><dd> |
| <span class="name">@deprecated</span> |
| |
| </dd><dt>Deprecated</dt><dd class="cmt"><p><i>(Since version 0.9.0)</i> Use readEval() instead.</p></dd></dl></div> |
| </li></ol> |
| </div> |
| </div> |
| |
| <div id="inheritedMembers"> |
| <div class="parent" name="org.apache.predictionio.core.BaseDataSource"> |
| <h3>Inherited from <a href="../core/BaseDataSource.html" class="extype" name="org.apache.predictionio.core.BaseDataSource">BaseDataSource</a>[<span class="extype" name="org.apache.spark.rdd.RDD">RDD</span>[<span class="extype" name="org.apache.predictionio.controller.LDataSource.TD">TD</span>], <span class="extype" name="org.apache.predictionio.controller.LDataSource.EI">EI</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.Q">Q</span>, <span class="extype" name="org.apache.predictionio.controller.LDataSource.A">A</span>]</h3> |
| </div><div class="parent" name="org.apache.predictionio.core.AbstractDoer"> |
| <h3>Inherited from <a href="../core/AbstractDoer.html" class="extype" name="org.apache.predictionio.core.AbstractDoer">AbstractDoer</a></h3> |
| </div><div class="parent" name="scala.Serializable"> |
| <h3>Inherited from <a href="http://www.scala-lang.org/api/2.11.12/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 <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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