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| <div class="subTitle">org.apache.drill.exec.physical.base</div> |
| <h2 title="Class AbstractExchange" class="title">Class AbstractExchange</h2> |
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| <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractBase</a></li> |
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| <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractSingle</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.physical.base.AbstractExchange</li> |
| </ul> |
| </li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>>, <a href="../../../../../../org/apache/drill/common/graph/GraphValue.html" title="interface in org.apache.drill.common.graph">GraphValue</a><<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>>, <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/physical/config/AbstractDeMuxExchange.html" title="class in org.apache.drill.exec.physical.config">AbstractDeMuxExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/AbstractMuxExchange.html" title="class in org.apache.drill.exec.physical.config">AbstractMuxExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/BroadcastExchange.html" title="class in org.apache.drill.exec.physical.config">BroadcastExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/HashToMergeExchange.html" title="class in org.apache.drill.exec.physical.config">HashToMergeExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/HashToRandomExchange.html" title="class in org.apache.drill.exec.physical.config">HashToRandomExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/OrderedPartitionExchange.html" title="class in org.apache.drill.exec.physical.config">OrderedPartitionExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/RangePartitionExchange.html" title="class in org.apache.drill.exec.physical.config">RangePartitionExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/SingleMergeExchange.html" title="class in org.apache.drill.exec.physical.config">SingleMergeExchange</a>, <a href="../../../../../../org/apache/drill/exec/physical/config/UnionExchange.html" title="class in org.apache.drill.exec.physical.config">UnionExchange</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">AbstractExchange</span> |
| extends <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">AbstractSingle</a> |
| implements <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></pre> |
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| <li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.drill.exec.physical.base.Exchange"> |
| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.ParallelizationDependency.html" title="enum in org.apache.drill.exec.physical.base">Exchange.ParallelizationDependency</a></code></li> |
| </ul> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#receiverLocations">receiverLocations</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#receiverMajorFragmentId">receiverMajorFragmentId</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#senderLocations">senderLocations</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#senderMajorFragmentId">senderMajorFragmentId</a></span></code> </td> |
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| <h3>Fields inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">AbstractSingle</a></h3> |
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| <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#INIT_ALLOCATION">INIT_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#initialAllocation">initialAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#MAX_ALLOCATION">MAX_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#maxAllocation">maxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#userName">userName</a></code></li> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#AbstractExchange-org.apache.drill.exec.physical.base.PhysicalOperator-">AbstractExchange</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</code> </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><T,X,E extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>><br>T</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#accept-org.apache.drill.exec.physical.base.PhysicalVisitor-X-">accept</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalVisitor.html" title="interface in org.apache.drill.exec.physical.base">PhysicalVisitor</a><T,X,E> physicalVisitor, |
| X value)</code> |
| <div class="block">Provides capability to build a set of output based on traversing a query graph tree.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected static <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><<a href="../../../../../../org/apache/drill/exec/physical/EndpointAffinity.html" title="class in org.apache.drill.exec.physical">EndpointAffinity</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getDefaultAffinityMap-java.util.List-">getDefaultAffinityMap</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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> fragmentEndpoints)</code> |
| <div class="block">Get a default endpoint affinity map where affinity of a Drillbit is proportional to the number of its occurrences |
| in given endpoint list.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getOperatorType--">getOperatorType</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.ParallelizationDependency.html" title="enum in org.apache.drill.exec.physical.base">Exchange.ParallelizationDependency</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getParallelizationDependency--">getParallelizationDependency</a></span>()</code> |
| <div class="block">Get the parallelization dependency of the Exchange.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getReceiverMemory-int-int-">getReceiverMemory</a></span>(int receivers, |
| int senders)</code> |
| <div class="block">Returns the memory requirement for the receiver side of the exchange operator.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getReceiverParallelizationInfo-java.util.List-">getReceiverParallelizationInfo</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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderFragmentEndpoints)</code> |
| <div class="block">Default receiver parallelization width range is [1, Integer.MAX_VALUE] and affinity to nodes where sender |
| fragments are running.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getSenderMemory-int-int-">getSenderMemory</a></span>(int receivers, |
| int senders)</code> |
| <div class="block">Returns the memory requirement for the sender side of the exchange operator.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#getSenderParallelizationInfo-java.util.List-">getSenderParallelizationInfo</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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverFragmentEndpoints)</code> |
| <div class="block">Default sender parallelization width range is [1, Integer.MAX_VALUE] and no endpoint affinity</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#isExecutable--">isExecutable</a></span>()</code> |
| <div class="block">Exchanges are not executable.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupReceivers-int-java.util.List-">setupReceivers</a></span>(int majorFragmentId, |
| <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverLocations)</code> |
| <div class="block">Inform this Exchange node about its receiver locations.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupReceivers-java.util.List-">setupReceivers</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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverLocations)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupSenders-int-java.util.List-">setupSenders</a></span>(int majorFragmentId, |
| <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderLocations)</code> |
| <div class="block">Inform this Exchange node about its sender locations.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractExchange.html#setupSenders-java.util.List-">setupSenders</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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderLocations)</code> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.drill.exec.physical.base.AbstractSingle"> |
| <!-- --> |
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| <h3>Methods inherited from class org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractSingle.html" title="class in org.apache.drill.exec.physical.base">AbstractSingle</a></h3> |
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| <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getChild--">getChild</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiver-int-">getReceiver</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getSender-int-org.apache.drill.exec.physical.base.PhysicalOperator-">getSender</a></code></li> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#forEach-java.util.function.Consumer-" title="class or interface in java.lang">forEach</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#iterator--" title="class or interface in java.lang">iterator</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true#spliterator--" title="class or interface in java.lang">spliterator</a></code></li> |
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| <h3>Field Detail</h3> |
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| <h4>senderMajorFragmentId</h4> |
| <pre>protected int senderMajorFragmentId</pre> |
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| <pre>protected int receiverMajorFragmentId</pre> |
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| <h4>senderLocations</h4> |
| <pre>protected <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderLocations</pre> |
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| <h4>receiverLocations</h4> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <li class="blockList"><a name="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a name="AbstractExchange-org.apache.drill.exec.physical.base.PhysicalOperator-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>AbstractExchange</h4> |
| <pre>public AbstractExchange(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a> child)</pre> |
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| <h4>isExecutable</h4> |
| <pre>public boolean isExecutable()</pre> |
| <div class="block">Exchanges are not executable. The Execution layer first has to set their parallelization and convert them into |
| something executable</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#isExecutable--">isExecutable</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#isExecutable--">isExecutable</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">AbstractBase</a></code></dd> |
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| <ul class="blockList"> |
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| <h4>getSenderParallelizationInfo</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a> getSenderParallelizationInfo(<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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverFragmentEndpoints)</pre> |
| <div class="block">Default sender parallelization width range is [1, Integer.MAX_VALUE] and no endpoint affinity</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getSenderParallelizationInfo-java.util.List-">getSenderParallelizationInfo</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>receiverFragmentEndpoints</code> - Endpoints assigned to receiver fragment if available, otherwise an empty list.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Sender <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment"><code>ParallelizationInfo</code></a>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReceiverParallelizationInfo-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getReceiverParallelizationInfo</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment">ParallelizationInfo</a> getReceiverParallelizationInfo(<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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderFragmentEndpoints)</pre> |
| <div class="block">Default receiver parallelization width range is [1, Integer.MAX_VALUE] and affinity to nodes where sender |
| fragments are running.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiverParallelizationInfo-java.util.List-">getReceiverParallelizationInfo</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>senderFragmentEndpoints</code> - Endpoints assigned to receiver fragment if available, otherwise an empty list.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Receiver <a href="../../../../../../org/apache/drill/exec/planner/fragment/ParallelizationInfo.html" title="class in org.apache.drill.exec.planner.fragment"><code>ParallelizationInfo</code></a>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDefaultAffinityMap-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDefaultAffinityMap</h4> |
| <pre>protected static <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><<a href="../../../../../../org/apache/drill/exec/physical/EndpointAffinity.html" title="class in org.apache.drill.exec.physical">EndpointAffinity</a>> getDefaultAffinityMap(<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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> fragmentEndpoints)</pre> |
| <div class="block">Get a default endpoint affinity map where affinity of a Drillbit is proportional to the number of its occurrences |
| in given endpoint list.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fragmentEndpoints</code> - Drillbit endpoint assignments of fragments.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>List of EndpointAffinity objects for each Drillbit endpoint given <i>fragmentEndpoints</i>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setupSenders-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setupSenders</h4> |
| <pre>protected void setupSenders(<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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderLocations)</pre> |
| </li> |
| </ul> |
| <a name="setupReceivers-java.util.List-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setupReceivers</h4> |
| <pre>protected void setupReceivers(<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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverLocations) |
| throws <a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></code></dd> |
| </dl> |
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| <a name="setupSenders-int-java.util.List-"> |
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| <ul class="blockList"> |
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| <h4>setupSenders</h4> |
| <pre>public final void setupSenders(int majorFragmentId, |
| <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> senderLocations) |
| throws <a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#setupSenders-int-java.util.List-">Exchange</a></code></span></div> |
| <div class="block">Inform this Exchange node about its sender locations. This list should be index-ordered the same as the expected |
| minorFragmentIds for each sender.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#setupSenders-int-java.util.List-">setupSenders</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="setupReceivers-int-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setupReceivers</h4> |
| <pre>public final void setupReceivers(int majorFragmentId, |
| <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><<a href="../../../../../../org/apache/drill/exec/proto/CoordinationProtos.DrillbitEndpoint.html" title="class in org.apache.drill.exec.proto">CoordinationProtos.DrillbitEndpoint</a>> receiverLocations) |
| throws <a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#setupReceivers-int-java.util.List-">Exchange</a></code></span></div> |
| <div class="block">Inform this Exchange node about its receiver locations. This list should be index-ordered the same as the expected |
| minorFragmentIds for each receiver.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#setupReceivers-int-java.util.List-">setupReceivers</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/PhysicalOperatorSetupException.html" title="class in org.apache.drill.exec.physical">PhysicalOperatorSetupException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="accept-org.apache.drill.exec.physical.base.PhysicalVisitor-java.lang.Object-"> |
| <!-- --> |
| </a><a name="accept-org.apache.drill.exec.physical.base.PhysicalVisitor-X-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>accept</h4> |
| <pre>public final <T,X,E extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>> T accept(<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalVisitor.html" title="interface in org.apache.drill.exec.physical.base">PhysicalVisitor</a><T,X,E> physicalVisitor, |
| X value) |
| throws E extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#accept-org.apache.drill.exec.physical.base.PhysicalVisitor-X-">PhysicalOperator</a></code></span></div> |
| <div class="block">Provides capability to build a set of output based on traversing a query graph tree.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#accept-org.apache.drill.exec.physical.base.PhysicalVisitor-X-">accept</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>E extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOperatorType--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getOperatorType</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getOperatorType()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html#getOperatorType--">getOperatorType</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a></code></dd> |
| </dl> |
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| </ul> |
| <a name="getParallelizationDependency--"> |
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| <h4>getParallelizationDependency</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.ParallelizationDependency.html" title="enum in org.apache.drill.exec.physical.base">Exchange.ParallelizationDependency</a> getParallelizationDependency()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getParallelizationDependency--">Exchange</a></code></span></div> |
| <div class="block">Get the parallelization dependency of the Exchange.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getParallelizationDependency--">getParallelizationDependency</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| </dl> |
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| <a name="getSenderMemory-int-int-"> |
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| <h4>getSenderMemory</h4> |
| <pre>public long getSenderMemory(int receivers, |
| int senders)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getSenderMemory-int-int-">Exchange</a></code></span></div> |
| <div class="block">Returns the memory requirement for the sender side of the exchange operator.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getSenderMemory-int-int-">getSenderMemory</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>receivers</code> - number of receivers at the receiving end of this exchange operator.</dd> |
| <dd><code>senders</code> - number of senders sending the rows for this exchange operator.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Total memory required by this operator.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getReceiverMemory-int-int-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getReceiverMemory</h4> |
| <pre>public long getReceiverMemory(int receivers, |
| int senders)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiverMemory-int-int-">Exchange</a></code></span></div> |
| <div class="block">Returns the memory requirement for the receiver side of the exchange operator.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html#getReceiverMemory-int-int-">getReceiverMemory</a></code> in interface <code><a href="../../../../../../org/apache/drill/exec/physical/base/Exchange.html" title="interface in org.apache.drill.exec.physical.base">Exchange</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>receivers</code> - number of receivers receiving the rows sent by the sender side of this |
| exchange operator.</dd> |
| <dd><code>senders</code> - number of senders sending the rows.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Total memory required by this operator.</dd> |
| </dl> |
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