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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.adapter.spark</a></div>
<h2 title="Class SparkHandlerImpl" class="title">Class SparkHandlerImpl</h2>
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<li>java.lang.Object</li>
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<li>org.apache.calcite.adapter.spark.SparkHandlerImpl</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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<pre>public class <span class="typeNameLabel">SparkHandlerImpl</span>
extends java.lang.Object
implements <a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></pre>
<div class="block">Implementation of
<a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc"><code>CalcitePrepare.SparkHandler</code></a>. Gives the core
Calcite engine access to rules that only exist in the Spark module.</div>
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<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SparkHandlerImpl.Holder.html" title="class in org.apache.calcite.adapter.spark">SparkHandlerImpl.Holder</a></span></code></th>
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<div class="block">Thread-safe holder</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.jdbc.<a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></h3>
<code><a href="../../jdbc/CalcitePrepare.SparkHandler.RuleSetBuilder.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler.RuleSetBuilder</a></code></li>
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<td class="colFirst"><code>private static java.io.File</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CLASS_DIR">CLASS_DIR</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>private java.util.concurrent.atomic.AtomicInteger</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#classId">classId</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>private <a href="HttpServer.html" title="class in org.apache.calcite.adapter.spark">HttpServer</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#classServer">classServer</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>private org.apache.spark.api.java.JavaSparkContext</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sparkContext">sparkContext</a></span></code></th>
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<td class="colFirst"><code>private </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">SparkHandlerImpl</a></span>()</code></th>
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<div class="block">Creates a SparkHandlerImpl.</div>
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<td class="colFirst"><code><a href="../../runtime/ArrayBindable.html" title="interface in org.apache.calcite.runtime">ArrayBindable</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compile(org.apache.calcite.linq4j.tree.ClassDeclaration,java.lang.String)">compile</a></span>&#8203;(<a href="../../linq4j/tree/ClassDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclaration</a>&nbsp;expr,
java.lang.String&nbsp;s)</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enabled()">enabled</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#flattenTypes(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.RelNode,boolean)">flattenTypes</a></span>&#8203;(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a>&nbsp;planner,
<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rootRel,
boolean&nbsp;restructure)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#instance()">instance</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a SparkHandlerImpl, initializing on first call.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerRules(org.apache.calcite.jdbc.CalcitePrepare.SparkHandler.RuleSetBuilder)">registerRules</a></span>&#8203;(<a href="../../jdbc/CalcitePrepare.SparkHandler.RuleSetBuilder.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler.RuleSetBuilder</a>&nbsp;builder)</code></th>
<td class="colLast">&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sparkContext()">sparkContext</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>classServer</h4>
<pre>private final&nbsp;<a href="HttpServer.html" title="class in org.apache.calcite.adapter.spark">HttpServer</a> classServer</pre>
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<h4>classId</h4>
<pre>private final&nbsp;java.util.concurrent.atomic.AtomicInteger classId</pre>
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<h4>sparkContext</h4>
<pre>private final&nbsp;org.apache.spark.api.java.JavaSparkContext sparkContext</pre>
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<h4>CLASS_DIR</h4>
<pre>private static final&nbsp;java.io.File CLASS_DIR</pre>
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<h4>SparkHandlerImpl</h4>
<pre>private&nbsp;SparkHandlerImpl()</pre>
<div class="block">Creates a SparkHandlerImpl.</div>
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<h4>instance</h4>
<pre class="methodSignature">public static&nbsp;<a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a>&nbsp;instance()</pre>
<div class="block">Creates a SparkHandlerImpl, initializing on first call. Calcite-core calls
this via reflection.</div>
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<h4>flattenTypes</h4>
<pre class="methodSignature">public&nbsp;<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;flattenTypes&#8203;(<a href="../../plan/RelOptPlanner.html" title="interface in org.apache.calcite.plan">RelOptPlanner</a>&nbsp;planner,
<a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&nbsp;rootRel,
boolean&nbsp;restructure)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html#flattenTypes(org.apache.calcite.plan.RelOptPlanner,org.apache.calcite.rel.RelNode,boolean)">flattenTypes</a></code>&nbsp;in interface&nbsp;<code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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<h4>registerRules</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;registerRules&#8203;(<a href="../../jdbc/CalcitePrepare.SparkHandler.RuleSetBuilder.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler.RuleSetBuilder</a>&nbsp;builder)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html#registerRules(org.apache.calcite.jdbc.CalcitePrepare.SparkHandler.RuleSetBuilder)">registerRules</a></code>&nbsp;in interface&nbsp;<code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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<h4>sparkContext</h4>
<pre class="methodSignature">public&nbsp;java.lang.Object&nbsp;sparkContext()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html#sparkContext()">sparkContext</a></code>&nbsp;in interface&nbsp;<code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;enabled()</pre>
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<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html#enabled()">enabled</a></code>&nbsp;in interface&nbsp;<code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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<pre class="methodSignature">public&nbsp;<a href="../../runtime/ArrayBindable.html" title="interface in org.apache.calcite.runtime">ArrayBindable</a>&nbsp;compile&#8203;(<a href="../../linq4j/tree/ClassDeclaration.html" title="class in org.apache.calcite.linq4j.tree">ClassDeclaration</a>&nbsp;expr,
java.lang.String&nbsp;s)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../jdbc/CalcitePrepare.SparkHandler.html#compile(org.apache.calcite.linq4j.tree.ClassDeclaration,java.lang.String)">compile</a></code>&nbsp;in interface&nbsp;<code><a href="../../jdbc/CalcitePrepare.SparkHandler.html" title="interface in org.apache.calcite.jdbc">CalcitePrepare.SparkHandler</a></code></dd>
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