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 <div class="subTitle">org.apache.calcite.linq4j</div>
 <h2 title="Class CartesianProductEnumerator" class="title">Class CartesianProductEnumerator&lt;T,E&gt;</h2>
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 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - Input element type</dd>
 <dd><code>E</code> - Element type</dd>
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 <dt>All Implemented Interfaces:</dt>
 <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;E&gt;</dd>
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 <pre>public abstract class <span class="typeNameLabel">CartesianProductEnumerator&lt;T,E&gt;</span>
 extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
 implements <a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;E&gt;</pre>
 <div class="block">Enumerator over the cartesian product of enumerators.</div>
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 <th class="colFirst" scope="col">Modifier and Type</th>
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 <td class="colFirst"><code>protected <a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">T</a>[]</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html#elements">elements</a></span></code>&nbsp;</td>
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 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html#CartesianProductEnumerator-java.util.List-">CartesianProductEnumerator</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">T</a>&gt;&gt;&nbsp;enumerators)</code>&nbsp;</td>
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 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html#close--">close</a></span>()</code>
 <div class="block">Closes this enumerable and releases resources.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html#moveNext--">moveNext</a></span>()</code>
 <div class="block">Advances the enumerator to the next element of the collection.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html#reset--">reset</a></span>()</code>
 <div class="block">Sets the enumerator to its initial position, which is before the first
  element in the collection.</div>
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 <h3>Methods inherited from interface&nbsp;org.apache.calcite.linq4j.<a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a></h3>
 <code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#current--">current</a></code></li>
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 <h4>elements</h4>
 <pre>protected final&nbsp;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">T</a>[] elements</pre>
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 <h4>CartesianProductEnumerator</h4>
 <pre>protected&nbsp;CartesianProductEnumerator(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">T</a>&gt;&gt;&nbsp;enumerators)</pre>
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 <h4>moveNext</h4>
 <pre>public&nbsp;boolean&nbsp;moveNext()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#moveNext--">Enumerator</a></code></span></div>
 <div class="block">Advances the enumerator to the next element of the collection.

  <p>After an enumerator is created or after the <code>reset</code> method is
  called, an enumerator is positioned before the first element of the
  collection, and the first call to the <code>moveNext</code> method moves the
  enumerator over the first element of the collection.

  <p>If <code>moveNext</code> passes the end of the collection, the enumerator
  is positioned after the last element in the collection and
  <code>moveNext</code> returns <code>false</code>. When the enumerator is at this
  position, subsequent calls to <code>moveNext</code> also return <code>false</code>
  until <code>#reset</code> is called.

  <p>An enumerator remains valid as long as the collection remains
  unchanged. If changes are made to the collection, such as adding,
  modifying, or deleting elements, the enumerator is irrecoverably
  invalidated. The next call to <code>moveNext</code> or <a href="../../../../org/apache/calcite/linq4j/Enumerator.html#reset--"><code>Enumerator.reset()</code></a> may,
  at the discretion of the implementation, throw a
  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ConcurrentModificationException.html?is-external=true" title="class or interface in java.util"><code>ConcurrentModificationException</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#moveNext--">moveNext</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">E</a>&gt;</code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if the enumerator was successfully advanced to the
          next element; <code>false</code> if the enumerator has passed the end of
          the collection</dd>
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 <a name="reset--">
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 <h4>reset</h4>
 <pre>public&nbsp;void&nbsp;reset()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#reset--">Enumerator</a></code></span></div>
 <div class="block">Sets the enumerator to its initial position, which is before the first
  element in the collection.

  <p>An enumerator remains valid as long as the collection remains
  unchanged. If changes are made to the collection, such as adding,
  modifying, or deleting elements, the enumerator is irrecoverably
  invalidated. The next call to <a href="../../../../org/apache/calcite/linq4j/Enumerator.html#moveNext--"><code>Enumerator.moveNext()</code></a> or <code>reset</code> may,
  at the discretion of the implementation, throw a
  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ConcurrentModificationException.html?is-external=true" title="class or interface in java.util"><code>ConcurrentModificationException</code></a>.

  <p>This method is optional; it may throw
  <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/UnsupportedOperationException.html?is-external=true" title="class or interface in java.lang"><code>UnsupportedOperationException</code></a>.

  <p><b>Notes to Implementers</b>

  <p>All calls to Reset must result in the same state for the enumerator.
  The preferred implementation is to move the enumerator to the beginning
  of the collection, before the first element. This invalidates the
  enumerator if the collection has been modified since the enumerator was
  created, which is consistent with <a href="../../../../org/apache/calcite/linq4j/Enumerator.html#moveNext--"><code>Enumerator.moveNext()</code></a> and
  <a href="../../../../org/apache/calcite/linq4j/Enumerator.html#current--"><code>Enumerator.current()</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#reset--">reset</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">E</a>&gt;</code></dd>
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 <!--   -->
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 <ul class="blockListLast">
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 <h4>close</h4>
 <pre>public&nbsp;void&nbsp;close()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#close--">Enumerator</a></code></span></div>
 <div class="block">Closes this enumerable and releases resources.

  <p>This method is idempotent. Calling it multiple times has the same effect
  as calling it once.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html#close--">close</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="interface in org.apache.calcite.linq4j">Enumerator</a>&lt;<a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="type parameter in CartesianProductEnumerator">E</a>&gt;</code></dd>
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