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| <h2 title="Interface Scorer" class="title">Interface Scorer<T></h2> |
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| <dd><code><a href="ContainerIdScorer.html" title="class in org.apache.heron.packing.builder">ContainerIdScorer</a></code>, <code><a href="HomogeneityScorer.html" title="class in org.apache.heron.packing.builder">HomogeneityScorer</a></code>, <code><a href="InstanceCountScorer.html" title="class in org.apache.heron.packing.builder">InstanceCountScorer</a></code></dd> |
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| <pre><a href="../../classification/InterfaceAudience.LimitedPrivate.html" title="annotation in org.apache.heron.classification">@LimitedPrivate</a> |
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| public interface <span class="typeNameLabel">Scorer<T></span></pre> |
| <div class="block">Scores an object based on some heuristic. The ordering of the object by score could be used to |
| drive algorithms that rely on preference of objects (e.g. containers) to be used for packing |
| operations.</div> |
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| <td class="colFirst"><code>double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScore(T)">getScore</a></span>​(<a href="Scorer.html" title="type parameter in Scorer">T</a> object)</code></th> |
| <td class="colLast"> |
| <div class="block">Return the score for a given component on a container</div> |
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| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sortAscending()">sortAscending</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Whether or not scores produced by this scorer should sort ascending or descending</div> |
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| <h4>sortAscending</h4> |
| <pre class="methodSignature">boolean sortAscending()</pre> |
| <div class="block">Whether or not scores produced by this scorer should sort ascending or descending</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the low scores should sort before higher scores</dd> |
| </dl> |
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| <h4>getScore</h4> |
| <pre class="methodSignature">double getScore​(<a href="Scorer.html" title="type parameter in Scorer">T</a> object)</pre> |
| <div class="block">Return the score for a given component on a container</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>object</code> - the object to be scored</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>score for container</dd> |
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