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| <h1>MahoutSparkDriver</h1> |
| </div> |
| |
| <h4 id="signature" class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">abstract </span> |
| <span class="kind">class</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">MahoutSparkDriver</span><span class="result"> extends <span class="extype" name="org.apache.mahout.drivers.MahoutDriver">MahoutDriver</span></span> |
| </span> |
| </h4> |
| |
| <div id="comment" class="fullcommenttop"><div class="comment cmt"><p>Extend this class to create a Mahout CLI driver. Minimally you must override process and main. |
| Also define a Map of options for the command line parser. The following template may help:</p><pre><span class="kw">object</span> SomeDriver <span class="kw">extends</span> MahoutDriver { |
| |
| <span class="cmt">// define only the options specific to this driver, inherit the generic ones</span> |
| <span class="kw">private</span> <span class="kw">final</span> <span class="kw">val</span> SomeOptions = HashMap[<span class="std">String</span>, <span class="std">Any</span>]( |
| <span class="lit">"maxThings"</span> -> <span class="num">500</span>, |
| <span class="lit">"minThings"</span> -> <span class="num">100</span>, |
| <span class="lit">"appName"</span> -> <span class="lit">"SomeDriver"</span>) |
| |
| <span class="kw">override</span> <span class="kw">def</span> main(args: <span class="std">Array</span>[<span class="std">String</span>]): <span class="std">Unit</span> = { |
| |
| <span class="kw">val</span> parser = <span class="kw">new</span> MahoutOptionParser(programName = <span class="lit">"shortname"</span>) { |
| head(<span class="lit">"somedriver"</span>, <span class="lit">"Mahout 1.0-SNAPSHOT"</span>) |
| |
| <span class="cmt">// Input output options, non-driver specific</span> |
| parseIOOptions() |
| |
| <span class="cmt">// Algorithm specific options</span> |
| <span class="cmt">// Add in the new options</span> |
| opts = opts ++ SomeOptions |
| note(<span class="lit">"\nAlgorithm control options:"</span>) |
| opt[<span class="std">Int</span>](<span class="lit">"maxThings"</span>) abbr (<span class="lit">"mt"</span>) action { (x, options) <span class="kw">=></span> |
| options + (<span class="lit">"maxThings"</span> -> x) ... |
| } |
| parser.parse(args, parser.opts) map { opts <span class="kw">=></span> |
| parser.opts = opts |
| process() |
| } |
| } |
| |
| <span class="kw">override</span> <span class="kw">def</span> process: <span class="std">Unit</span> = { |
| start() <span class="cmt">// override to change the default Kryo or SparkConf before the distributed context is created</span> |
| <span class="cmt">// do the work here</span> |
| stop() |
| }</pre></div><div class="toggleContainer block"> |
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| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>MahoutDriver</dd></dl></div> |
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| </span> |
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| <a id="notifyAll():Unit"></a> |
| <a id="notifyAll():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">notifyAll</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef</dd></dl></div> |
| </li><li name="org.apache.mahout.drivers.MahoutDriver#parser" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="parser:org.apache.mahout.drivers.MahoutOptionParser"></a> |
| <a id="parser:MahoutOptionParser"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">implicit </span> |
| <span class="kind">var</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">parser</span><span class="result">: <span class="extype" name="org.apache.mahout.drivers.MahoutOptionParser">MahoutOptionParser</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>MahoutDriver</dd></dl></div> |
| </li><li name="org.apache.mahout.drivers.MahoutSparkDriver#sparkConf" visbl="pub" data-isabs="false" fullComment="no" group="Ungrouped"> |
| <a id="sparkConf:org.apache.spark.SparkConf"></a> |
| <a id="sparkConf:SparkConf"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">implicit </span> |
| <span class="kind">var</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">sparkConf</span><span class="result">: <span class="extype" name="org.apache.spark.SparkConf">SparkConf</span></span> |
| </span> |
| </h4> |
| |
| </li><li name="org.apache.mahout.drivers.MahoutSparkDriver#start" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="start():Unit"></a> |
| <a id="start():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">start</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Creates a Spark context to run the job inside.</p><div class="fullcomment"><div class="comment cmt"><p>Creates a Spark context to run the job inside. |
| Override to set the SparkConf values specific to the job, |
| these must be set before the context is created. |
| </p></div><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd><a href="" class="extype" name="org.apache.mahout.drivers.MahoutSparkDriver">MahoutSparkDriver</a> → MahoutDriver</dd></dl></div> |
| </li><li name="org.apache.mahout.drivers.MahoutDriver#stop" visbl="prt" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="stop():Unit"></a> |
| <a id="stop():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">stop</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Attributes</dt><dd>protected </dd><dt>Definition Classes</dt><dd>MahoutDriver</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> |
| <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> |
| <div class="fullcomment"><dl class="attributes block"> <dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div> |
| </li><li name="org.apache.mahout.drivers.MahoutSparkDriver#useContext" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="useContext(context:org.apache.mahout.math.drm.DistributedContext):Unit"></a> |
| <a id="useContext(DistributedContext):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">useContext</span><span class="params">(<span name="context">context: <span class="extype" name="org.apache.mahout.math.drm.DistributedContext">DistributedContext</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <p class="shortcomment cmt">Call this before start to use an existing context as when running multiple drivers from a scalatest suite.</p><div class="fullcomment"><div class="comment cmt"><p>Call this before start to use an existing context as when running multiple drivers from a scalatest suite.</p></div><dl class="paramcmts block"><dt class="param">context</dt><dd class="cmt"><p>An already set up context to run against |
| </p></dd></dl></div> |
| </li><li name="scala.AnyRef#wait" visbl="pub" data-isabs="false" fullComment="yes" group="Ungrouped"> |
| <a id="wait():Unit"></a> |
| <a id="wait():Unit"></a> |
| <h4 class="signature"> |
| <span class="modifier_kind"> |
| <span class="modifier">final </span> |
| <span class="kind">def</span> |
| </span> |
| <span class="symbol"> |
| <span class="name">wait</span><span class="params">()</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <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: <span class="extype" name="scala.Long">Long</span></span>, <span name="arg1">arg1: <span class="extype" name="scala.Int">Int</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <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: <span class="extype" name="scala.Long">Long</span></span>)</span><span class="result">: <span class="extype" name="scala.Unit">Unit</span></span> |
| </span> |
| </h4> |
| <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> |
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| |
| <div id="inheritedMembers"> |
| <div class="parent" name="org.apache.mahout.drivers.MahoutDriver"> |
| <h3>Inherited from <span class="extype" name="org.apache.mahout.drivers.MahoutDriver">MahoutDriver</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> |
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