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| <div class="subTitle">org.apache.hadoop.yarn.api.resource</div> |
| <h2 title="Class PlacementConstraints" class="title">Class PlacementConstraints</h2> |
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| <li>org.apache.hadoop.yarn.api.resource.PlacementConstraints</li> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public final class <span class="typeNameLabel">PlacementConstraints</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></pre> |
| <div class="block">This class contains various static methods for the applications to create |
| placement constraints (see also <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource"><code>PlacementConstraint</code></a>).</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.PlacementTargets.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraints.PlacementTargets</a></span></code> |
| <div class="block">Class with static methods for constructing target expressions to be used in |
| placement constraints.</div> |
| </td> |
| </tr> |
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| <td class="colFirst"><code>static <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/hadoop/yarn/api/resource/PlacementConstraints.html#NODE">NODE</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <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/hadoop/yarn/api/resource/PlacementConstraints.html#NODE_PARTITION">NODE_PARTITION</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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/hadoop/yarn/api/resource/PlacementConstraints.html#RACK">RACK</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <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="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>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.And.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.And</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#and-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint...-">and</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a>... children)</code> |
| <div class="block">A conjunction of constraints.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#build-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-">build</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraintExpr)</code> |
| <div class="block">Creates a <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource"><code>PlacementConstraint</code></a> given a constraint expression.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-">cardinality</a></span>(<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> scope, |
| int minCardinality, |
| int maxCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Creates a constraint that restricts the number of allocations within a |
| given scope (e.g., node or rack).</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-java.lang.String-int-int-java.lang.String...-">cardinality</a></span>(<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> scope, |
| <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> namespace, |
| int minCardinality, |
| int maxCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but let you |
| attach a namespace to the given allocation tags.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.DelayedOr.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.DelayedOr</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#delayedOr-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TimedPlacementConstraint...-">delayedOr</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a>... children)</code> |
| <div class="block">Creates a composite constraint that includes a list of timed placement |
| constraints.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#maxCardinality-java.lang.String-int-java.lang.String...-">maxCardinality</a></span>(<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> scope, |
| int maxCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but |
| determines only the maximum cardinality (the minimum cardinality is 0).</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#maxCardinality-java.lang.String-java.lang.String-int-java.lang.String...-">maxCardinality</a></span>(<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> scope, |
| <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> tagNamespace, |
| int maxCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#maxCardinality-java.lang.String-int-java.lang.String...-"><code>maxCardinality(String, int, String...)</code></a>, but let you |
| specify a namespace for the tags, see supported namespaces in |
| <a href="../../../../../../org/apache/hadoop/yarn/api/records/AllocationTagNamespaceType.html" title="enum in org.apache.hadoop.yarn.api.records"><code>AllocationTagNamespaceType</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#minCardinality-java.lang.String-int-java.lang.String...-">minCardinality</a></span>(<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> scope, |
| int minCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but |
| determines only the minimum cardinality (the maximum cardinality is |
| unbound).</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#minCardinality-java.lang.String-java.lang.String-int-java.lang.String...-">minCardinality</a></span>(<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> scope, |
| <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> namespace, |
| int minCardinality, |
| <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>... allocationTags)</code> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#minCardinality-java.lang.String-int-java.lang.String...-"><code>minCardinality(String, int, String...)</code></a>, but let you |
| attach a namespace to the allocation tags.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.Or.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.Or</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#or-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint...-">or</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a>... children)</code> |
| <div class="block">A disjunction of constraints.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#targetCardinality-java.lang.String-int-int-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-">targetCardinality</a></span>(<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> scope, |
| int minCardinality, |
| int maxCardinality, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</code> |
| <div class="block">This constraint generalizes the cardinality and target constraints.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#targetIn-java.lang.String-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-">targetIn</a></span>(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</code> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| satisfy all target expressions within the given scope (e.g., node or rack).</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#targetNodeAttribute-java.lang.String-org.apache.hadoop.yarn.api.records.NodeAttributeOpCode-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-">targetNodeAttribute</a></span>(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/records/NodeAttributeOpCode.html" title="enum in org.apache.hadoop.yarn.api.records">NodeAttributeOpCode</a> opCode, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</code> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| belong to a scope (e.g., node or rack) that satisfy any of the |
| target expressions based on node attribute op code.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#targetNotIn-java.lang.String-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-">targetNotIn</a></span>(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</code> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| belong to a scope (e.g., node or rack) that does not satisfy any of the |
| target expressions.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#timedClockConstraint-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-long-java.util.concurrent.TimeUnit-">timedClockConstraint</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraint, |
| long delay, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a> timeUnit)</code> |
| <div class="block">Creates a placement constraint that has to be satisfied within a time |
| window.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#timedOpportunitiesConstraint-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-long-">timedOpportunitiesConstraint</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraint, |
| long delay)</code> |
| <div class="block">Creates a placement constraint that has to be satisfied within a number of |
| placement opportunities (invocations of the scheduler).</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Field Detail</h3> |
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| <h4>NODE</h4> |
| <pre>public static final <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> NODE</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.yarn.api.resource.PlacementConstraints.NODE">Constant Field Values</a></dd> |
| </dl> |
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| <h4>RACK</h4> |
| <pre>public static final <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> RACK</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.yarn.api.resource.PlacementConstraints.RACK">Constant Field Values</a></dd> |
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| <pre>public static final <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> NODE_PARTITION</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.hadoop.yarn.api.resource.PlacementConstraints.NODE_PARTITION">Constant Field Values</a></dd> |
| </dl> |
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| <h3>Method Detail</h3> |
| <a name="targetIn-java.lang.String-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-"> |
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| <h4>targetIn</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> targetIn(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</pre> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| satisfy all target expressions within the given scope (e.g., node or rack). |
| |
| For example, <code>targetIn(RACK, allocationTag("hbase-m"))</code>, allows |
| allocations on nodes that belong to a rack that has at least one tag with |
| value "hbase-m".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope within which the target expressions should be |
| satisfied</dd> |
| <dd><code>targetExpressions</code> - the expressions that need to be satisfied within |
| the scope</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="targetNotIn-java.lang.String-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-"> |
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| </a> |
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| <h4>targetNotIn</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> targetNotIn(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</pre> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| belong to a scope (e.g., node or rack) that does not satisfy any of the |
| target expressions.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope within which the target expressions should not be |
| true</dd> |
| <dd><code>targetExpressions</code> - the expressions that need to not be true within |
| the scope</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="targetNodeAttribute-java.lang.String-org.apache.hadoop.yarn.api.records.NodeAttributeOpCode-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-"> |
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| <h4>targetNodeAttribute</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> targetNodeAttribute(<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> scope, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/records/NodeAttributeOpCode.html" title="enum in org.apache.hadoop.yarn.api.records">NodeAttributeOpCode</a> opCode, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</pre> |
| <div class="block">Creates a constraint that requires allocations to be placed on nodes that |
| belong to a scope (e.g., node or rack) that satisfy any of the |
| target expressions based on node attribute op code.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope within which the target expressions should not be |
| true</dd> |
| <dd><code>opCode</code> - Node Attribute code which could be equals, not equals.</dd> |
| <dd><code>targetExpressions</code> - the expressions that need to not be true within |
| the scope</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cardinality-java.lang.String-int-int-java.lang.String...-"> |
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| <h4>cardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> cardinality(<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> scope, |
| int minCardinality, |
| int maxCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Creates a constraint that restricts the number of allocations within a |
| given scope (e.g., node or rack). |
| |
| For example, <code>cardinality(NODE, 3, 10, "zk")</code> is satisfied on nodes |
| where there are no less than 3 allocations with tag "zk" and no more than |
| 10.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>minCardinality</code> - determines the minimum number of allocations within |
| the scope</dd> |
| <dd><code>maxCardinality</code> - determines the maximum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - the constraint targets allocations with these tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="cardinality-java.lang.String-java.lang.String-int-int-java.lang.String...-"> |
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| </a> |
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| <h4>cardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> cardinality(<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> scope, |
| <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> namespace, |
| int minCardinality, |
| int maxCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but let you |
| attach a namespace to the given allocation tags.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>namespace</code> - the namespace of the allocation tags</dd> |
| <dd><code>minCardinality</code> - determines the minimum number of allocations within |
| the scope</dd> |
| <dd><code>maxCardinality</code> - determines the maximum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - allocation tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="minCardinality-java.lang.String-int-java.lang.String...-"> |
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| <h4>minCardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> minCardinality(<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> scope, |
| int minCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but |
| determines only the minimum cardinality (the maximum cardinality is |
| unbound).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>minCardinality</code> - determines the minimum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - the constraint targets allocations with these tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="minCardinality-java.lang.String-java.lang.String-int-java.lang.String...-"> |
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| <h4>minCardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> minCardinality(<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> scope, |
| <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> namespace, |
| int minCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#minCardinality-java.lang.String-int-java.lang.String...-"><code>minCardinality(String, int, String...)</code></a>, but let you |
| attach a namespace to the allocation tags.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>namespace</code> - the namespace of these tags</dd> |
| <dd><code>minCardinality</code> - determines the minimum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - the constraint targets allocations with these tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="maxCardinality-java.lang.String-int-java.lang.String...-"> |
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| <h4>maxCardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> maxCardinality(<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> scope, |
| int maxCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#cardinality-java.lang.String-int-int-java.lang.String...-"><code>cardinality(String, int, int, String...)</code></a>, but |
| determines only the maximum cardinality (the minimum cardinality is 0).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>maxCardinality</code> - determines the maximum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - the constraint targets allocations with these tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="maxCardinality-java.lang.String-java.lang.String-int-java.lang.String...-"> |
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| </a> |
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| <h4>maxCardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> maxCardinality(<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> scope, |
| <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> tagNamespace, |
| int maxCardinality, |
| <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>... allocationTags)</pre> |
| <div class="block">Similar to <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraints.html#maxCardinality-java.lang.String-int-java.lang.String...-"><code>maxCardinality(String, int, String...)</code></a>, but let you |
| specify a namespace for the tags, see supported namespaces in |
| <a href="../../../../../../org/apache/hadoop/yarn/api/records/AllocationTagNamespaceType.html" title="enum in org.apache.hadoop.yarn.api.records"><code>AllocationTagNamespaceType</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>tagNamespace</code> - the namespace of these tags</dd> |
| <dd><code>maxCardinality</code> - determines the maximum number of allocations within |
| the scope</dd> |
| <dd><code>allocationTags</code> - allocation tags</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="targetCardinality-java.lang.String-int-int-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression...-"> |
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| <h4>targetCardinality</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> targetCardinality(<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> scope, |
| int minCardinality, |
| int maxCardinality, |
| <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TargetExpression.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TargetExpression</a>... targetExpressions)</pre> |
| <div class="block">This constraint generalizes the cardinality and target constraints. |
| |
| Consider a set of nodes N that belongs to the scope specified in the |
| constraint. If the target expressions are satisfied at least minCardinality |
| times and at most maxCardinality times in the node set N, then the |
| constraint is satisfied. |
| |
| For example, <code>targetCardinality(RACK, 2, 10, allocationTag("zk"))</code>, |
| requires an allocation to be placed within a rack that has at least 2 and |
| at most 10 other allocations with tag "zk".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>scope</code> - the scope of the constraint</dd> |
| <dd><code>minCardinality</code> - the minimum number of times the target expressions |
| have to be satisfied with the given scope</dd> |
| <dd><code>maxCardinality</code> - the maximum number of times the target expressions |
| have to be satisfied with the given scope</dd> |
| <dd><code>targetExpressions</code> - the target expressions</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="and-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint...-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>and</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.And.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.And</a> and(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a>... children)</pre> |
| <div class="block">A conjunction of constraints.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>children</code> - the children constraints that should all be satisfied</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="or-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint...-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>or</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.Or.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.Or</a> or(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a>... children)</pre> |
| <div class="block">A disjunction of constraints.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>children</code> - the children constraints, one of which should be satisfied</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="delayedOr-org.apache.hadoop.yarn.api.resource.PlacementConstraint.TimedPlacementConstraint...-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>delayedOr</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.DelayedOr.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.DelayedOr</a> delayedOr(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a>... children)</pre> |
| <div class="block">Creates a composite constraint that includes a list of timed placement |
| constraints. The scheduler should try to satisfy first the first timed |
| child constraint within the specified time window. If this is not possible, |
| it should attempt to satisfy the second, and so on.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>children</code> - the timed children constraints</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting composite constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="timedClockConstraint-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-long-java.util.concurrent.TimeUnit-"> |
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| <h4>timedClockConstraint</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a> timedClockConstraint(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraint, |
| long delay, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a> timeUnit)</pre> |
| <div class="block">Creates a placement constraint that has to be satisfied within a time |
| window.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>constraint</code> - the placement constraint</dd> |
| <dd><code>delay</code> - the length of the time window within which the constraint has |
| to be satisfied</dd> |
| <dd><code>timeUnit</code> - the unit of time of the time window</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting timed placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="timedOpportunitiesConstraint-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-long-"> |
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| </a> |
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| <h4>timedOpportunitiesConstraint</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.TimedPlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.TimedPlacementConstraint</a> timedOpportunitiesConstraint(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraint, |
| long delay)</pre> |
| <div class="block">Creates a placement constraint that has to be satisfied within a number of |
| placement opportunities (invocations of the scheduler).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>constraint</code> - the placement constraint</dd> |
| <dd><code>delay</code> - the number of scheduling opportunities within which the |
| constraint has to be satisfied</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting timed placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="build-org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint-"> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>build</h4> |
| <pre>public static <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a> build(<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.AbstractConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint.AbstractConstraint</a> constraintExpr)</pre> |
| <div class="block">Creates a <a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource"><code>PlacementConstraint</code></a> given a constraint expression.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>constraintExpr</code> - the constraint expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the placement constraint</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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