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| <div class="subTitle">org.apache.geode</div> |
| <h2 title="Interface StatisticDescriptor" class="title">Interface StatisticDescriptor</h2> |
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| <dt>All Superinterfaces:</dt> |
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| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">StatisticDescriptor</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a><<a href="../../../org/apache/geode/StatisticDescriptor.html" title="interface in org.apache.geode">StatisticDescriptor</a>></pre> |
| <div class="block">Describes an individual statistic whose value is updated by an application and may be archived by |
| GemFire. These descriptions are gathered together in a <a href="../../../org/apache/geode/StatisticsType.html" title="interface in org.apache.geode"><code>StatisticsType</code></a>. |
| |
| <P> |
| To get an instance of this interface use an instance of <a href="../../../org/apache/geode/StatisticsFactory.html" title="interface in org.apache.geode"><code>StatisticsFactory</code></a>. |
| <P> |
| <code>StatisticDescriptor</code>s are naturally ordered by their name.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>GemFire 3.0</dd> |
| </dl> |
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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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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> |
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| <tr id="i0" 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/geode/StatisticDescriptor.html#getDescription--">getDescription</a></span>()</code> |
| <div class="block">Returns a description of this statistic</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/geode/StatisticDescriptor.html#getId--">getId</a></span>()</code> |
| <div class="block">Returns the id of this statistic in a <a href="../../../org/apache/geode/StatisticsType.html" title="interface in org.apache.geode"><code>statistics type</code></a>.</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/geode/StatisticDescriptor.html#getName--">getName</a></span>()</code> |
| <div class="block">Returns the name of this statistic</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/geode/StatisticDescriptor.html#getType--">getType</a></span>()</code> |
| <div class="block">Returns the type of this statistic</div> |
| </td> |
| </tr> |
| <tr id="i4" 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/geode/StatisticDescriptor.html#getUnit--">getUnit</a></span>()</code> |
| <div class="block">Returns the unit in which this statistic is measured</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/geode/StatisticDescriptor.html#isCounter--">isCounter</a></span>()</code> |
| <div class="block">Returns true if this statistic is a counter; false if its a gauge.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/geode/StatisticDescriptor.html#isLargerBetter--">isLargerBetter</a></span>()</code> |
| <div class="block">Returns true if a larger statistic value indicates better performance.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from interface java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true#compareTo-T-" title="class or interface in java.lang">compareTo</a></code></li> |
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| <h4>getId</h4> |
| <pre>int getId()</pre> |
| <div class="block">Returns the id of this statistic in a <a href="../../../org/apache/geode/StatisticsType.html" title="interface in org.apache.geode"><code>statistics type</code></a>. The id is |
| initialized when its statistics type is created.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the id of this statistic</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - The id has not been initialized yet</dd> |
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| <h4>getName</h4> |
| <pre><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> getName()</pre> |
| <div class="block">Returns the name of this statistic</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the name of this statistic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDescription--"> |
| <!-- --> |
| </a> |
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| <h4>getDescription</h4> |
| <pre><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> getDescription()</pre> |
| <div class="block">Returns a description of this statistic</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a description of this statistic</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getType--"> |
| <!-- --> |
| </a> |
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| <h4>getType</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> getType()</pre> |
| <div class="block">Returns the type of this statistic</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the type of this statistic</dd> |
| </dl> |
| </li> |
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| <h4>isCounter</h4> |
| <pre>boolean isCounter()</pre> |
| <div class="block">Returns true if this statistic is a counter; false if its a gauge. Counter statistics have |
| values that always increase. Gauge statistics have unconstrained values.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether this statistic is a counter</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>isLargerBetter</h4> |
| <pre>boolean isLargerBetter()</pre> |
| <div class="block">Returns true if a larger statistic value indicates better performance.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether a larger statistic value indicates better performance</dd> |
| </dl> |
| </li> |
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| <h4>getUnit</h4> |
| <pre><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> getUnit()</pre> |
| <div class="block">Returns the unit in which this statistic is measured</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the unit in which this statistic is measured</dd> |
| </dl> |
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