content/docs/r3.3.1/api/org/apache/hadoop/yarn/api/records/ReservationDefinition.html - hadoop-site - Git at Google

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 <div class="subTitle">org.apache.hadoop.yarn.api.records</div>
 <h2 title="Class ReservationDefinition" class="title">Class ReservationDefinition</h2>
 </div>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract class <span class="typeNameLabel">ReservationDefinition</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"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationDefinition</code></a> captures the set of resource and time
  constraints the user cares about regarding a reservation.</div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../../../org/apache/hadoop/yarn/api/records/ResourceRequest.html" title="class in org.apache.hadoop.yarn.api.records"><code>ResourceRequest</code></a></dd>
 </dl>
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 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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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/hadoop/yarn/api/records/ReservationDefinition.html#ReservationDefinition--">ReservationDefinition</a></span>()</code>&nbsp;</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">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
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 <tr id="i0" class="altColor">
 <td class="colFirst"><code>abstract long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#getArrival--">getArrival</a></span>()</code>
 <div class="block">Get the arrival time or the earliest time from which the resource(s) can be
  allocated.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>abstract long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#getDeadline--">getDeadline</a></span>()</code>
 <div class="block">Get the deadline or the latest time by when the resource(s) must be
  allocated.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#getPriority--">getPriority</a></span>()</code>
 <div class="block">Get the priority for this reservation.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>abstract <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/records/ReservationDefinition.html#getRecurrenceExpression--">getRecurrenceExpression</a></span>()</code>
 <div class="block">Get the recurrence of this reservation representing the time period of
  the periodic job.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>abstract <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/records/ReservationDefinition.html#getReservationName--">getReservationName</a></span>()</code>
 <div class="block">Get the name for this reservation.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#getReservationRequests--">getReservationRequests</a></span>()</code>
 <div class="block">Get the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a> representing the resources
  required by the application</div>
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 <tr id="i6" class="altColor">
 <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html" title="class in org.apache.hadoop.yarn.api.records">ReservationDefinition</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#newInstance-long-long-org.apache.hadoop.yarn.api.records.ReservationRequests-java.lang.String-">newInstance</a></span>(long&nbsp;arrival,
            long&nbsp;deadline,
            <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests,
            <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>&nbsp;name)</code>&nbsp;</td>
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 <td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html" title="class in org.apache.hadoop.yarn.api.records">ReservationDefinition</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#newInstance-long-long-org.apache.hadoop.yarn.api.records.ReservationRequests-java.lang.String-java.lang.String-org.apache.hadoop.yarn.api.records.Priority-">newInstance</a></span>(long&nbsp;arrival,
            long&nbsp;deadline,
            <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests,
            <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>&nbsp;name,
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            <a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a>&nbsp;priority)</code>&nbsp;</td>
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 <tr id="i8" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setArrival-long-">setArrival</a></span>(long&nbsp;earliestStartTime)</code>
 <div class="block">Set the arrival time or the earliest time from which the resource(s) can be
  allocated.</div>
 </td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setDeadline-long-">setDeadline</a></span>(long&nbsp;latestEndTime)</code>
 <div class="block">Set the deadline or the latest time by when the resource(s) must be
  allocated.</div>
 </td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setPriority-org.apache.hadoop.yarn.api.records.Priority-">setPriority</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a>&nbsp;priority)</code>
 <div class="block">Set the priority for this reservation.</div>
 </td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setRecurrenceExpression-java.lang.String-">setRecurrenceExpression</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>&nbsp;recurrenceExpression)</code>
 <div class="block">Set the recurrence of this reservation representing the time period of
  the periodic job.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setReservationName-java.lang.String-">setReservationName</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>&nbsp;name)</code>
 <div class="block">Set the name for this reservation.</div>
 </td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>abstract void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html#setReservationRequests-org.apache.hadoop.yarn.api.records.ReservationRequests-">setReservationRequests</a></span>(<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests)</code>
 <div class="block">Set the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a> representing the resources
  required by the application</div>
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 <h4>ReservationDefinition</h4>
 <pre>public&nbsp;ReservationDefinition()</pre>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html" title="class in org.apache.hadoop.yarn.api.records">ReservationDefinition</a>&nbsp;newInstance(long&nbsp;arrival,
                                                                                                         long&nbsp;deadline,
                                                                                                         <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests,
                                                                                                         <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>&nbsp;name,
                                                                                                         <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>&nbsp;recurrenceExpression,
                                                                                                         <a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a>&nbsp;priority)</pre>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationDefinition.html" title="class in org.apache.hadoop.yarn.api.records">ReservationDefinition</a>&nbsp;newInstance(long&nbsp;arrival,
                                                                                                         long&nbsp;deadline,
                                                                                                         <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests,
                                                                                                         <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>&nbsp;name)</pre>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;long&nbsp;getArrival()</pre>
 <div class="block">Get the arrival time or the earliest time from which the resource(s) can be
  allocated. Time expressed as UTC.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the earliest valid time for this reservation</dd>
 </dl>
 </li>
 </ul>
 <a name="setArrival-long-">
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 <h4>setArrival</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setArrival(long&nbsp;earliestStartTime)</pre>
 <div class="block">Set the arrival time or the earliest time from which the resource(s) can be
  allocated. Time expressed as UTC.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>earliestStartTime</code> - the earliest valid time for this reservation</dd>
 </dl>
 </li>
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 <a name="getDeadline--">
 <!--   -->
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 <h4>getDeadline</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;long&nbsp;getDeadline()</pre>
 <div class="block">Get the deadline or the latest time by when the resource(s) must be
  allocated. Time expressed as UTC.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the deadline or the latest time by when the resource(s) must be
          allocated</dd>
 </dl>
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setDeadline(long&nbsp;latestEndTime)</pre>
 <div class="block">Set the deadline or the latest time by when the resource(s) must be
  allocated. Time expressed as UTC.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>latestEndTime</code> - the deadline or the latest time by when the
           resource(s) should be allocated</dd>
 </dl>
 </li>
 </ul>
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 <h4>getReservationRequests</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;getReservationRequests()</pre>
 <div class="block">Get the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a> representing the resources
  required by the application</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a></dd>
 </dl>
 </li>
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 <h4>setReservationRequests</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setReservationRequests(<a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records">ReservationRequests</a>&nbsp;reservationRequests)</pre>
 <div class="block">Set the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a> representing the resources
  required by the application</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>reservationRequests</code> - the list of <a href="../../../../../../org/apache/hadoop/yarn/api/records/ReservationRequests.html" title="class in org.apache.hadoop.yarn.api.records"><code>ReservationRequests</code></a></dd>
 </dl>
 </li>
 </ul>
 <a name="getReservationName--">
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 <h4>getReservationName</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;<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>&nbsp;getReservationName()</pre>
 <div class="block">Get the name for this reservation. The name need-not be unique, and it is
  just a mnemonic for the user (akin to job names). Accepted reservations are
  uniquely identified by a system-generated ReservationId.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>string representing the name of the corresponding reserved resource
          allocation in the scheduler</dd>
 </dl>
 </li>
 </ul>
 <a name="setReservationName-java.lang.String-">
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 <h4>setReservationName</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setReservationName(<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>&nbsp;name)</pre>
 <div class="block">Set the name for this reservation. The name need-not be unique, and it is
  just a mnemonic for the user (akin to job names). Accepted reservations are
  uniquely identified by a system-generated ReservationId.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>name</code> - representing the name of the corresponding reserved resource
           allocation in the scheduler</dd>
 </dl>
 </li>
 </ul>
 <a name="getRecurrenceExpression--">
 <!--   -->
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 <ul class="blockList">
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 <h4>getRecurrenceExpression</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;<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>&nbsp;getRecurrenceExpression()</pre>
 <div class="block">Get the recurrence of this reservation representing the time period of
  the periodic job. Currently, only long values are supported. Later,
  support for regular expressions denoting arbitrary recurrence patterns
  (e.g., every Tuesday and Thursday) will be added.
  Recurrence is represented in milliseconds for periodic jobs.
  Recurrence is 0 for non-periodic jobs. Periodic jobs are valid until they
  are explicitly cancelled and have higher priority than non-periodic jobs
  (during initial placement and replanning). Periodic job allocations are
  consistent across runs (flexibility in allocation is leveraged only during
  initial placement, allocations remain consistent thereafter). Note that
  as a long, the recurrence expression must be greater than the duration of
  the reservation (deadline - arrival). Also note that the configured max
  period must be divisible by the recurrence expression if expressed as a
  long.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>recurrence of this reservation</dd>
 </dl>
 </li>
 </ul>
 <a name="setRecurrenceExpression-java.lang.String-">
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setRecurrenceExpression(<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>&nbsp;recurrenceExpression)</pre>
 <div class="block">Set the recurrence of this reservation representing the time period of
  the periodic job. Currently, only long values are supported. Later,
  support for regular expressions denoting arbitrary recurrence patterns
  (e.g., every Tuesday and Thursday) will be added.
  Recurrence is represented in milliseconds for periodic jobs.
  Recurrence is 0 for non-periodic jobs. Periodic jobs are valid until they
  are explicitly cancelled and have higher priority than non-periodic jobs
  (during initial placement and replanning). Periodic job allocations are
  consistent across runs (flexibility in allocation is leveraged only during
  initial placement, allocations remain consistent thereafter). Note that
  as a long, the recurrence expression must be greater than the duration of
  the reservation (deadline - arrival). Also note that the configured max
  period must be divisible by the recurrence expression if expressed as a
  long.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>recurrenceExpression</code> - recurrence interval of this reservation</dd>
 </dl>
 </li>
 </ul>
 <a name="getPriority--">
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 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a>&nbsp;getPriority()</pre>
 <div class="block">Get the priority for this reservation. A lower number for priority
  indicates a higher priority reservation. Recurring reservations are
  always higher priority than non-recurring reservations. Priority for
  non-recurring reservations are only compared with non-recurring
  reservations. Likewise for recurring reservations.</div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>int representing the priority of the reserved resource
          allocation in the scheduler</dd>
 </dl>
 </li>
 </ul>
 <a name="setPriority-org.apache.hadoop.yarn.api.records.Priority-">
 <!--   -->
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 <ul class="blockListLast">
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 <h4>setPriority</h4>
 <pre>@InterfaceAudience.Public
  @InterfaceStability.Unstable
 public abstract&nbsp;void&nbsp;setPriority(<a href="../../../../../../org/apache/hadoop/yarn/api/records/Priority.html" title="class in org.apache.hadoop.yarn.api.records">Priority</a>&nbsp;priority)</pre>
 <div class="block">Set the priority for this reservation. A lower number for priority
  indicates a higher priority reservation. Recurring reservations are
  always higher priority than non-recurring reservations. Priority for
  non-recurring reservations are only compared with non-recurring
  reservations. Likewise for recurring reservations.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>priority</code> - representing the priority of the reserved resource
           allocation in the scheduler</dd>
 </dl>
 </li>
 </ul>
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