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| <div class="subTitle">org.apache.edgent.analytics.sensors</div> |
| <h2 title="Class Deadtime" class="title">Class Deadtime<T></h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.edgent.analytics.sensors.Deadtime<T></li> |
| </ul> |
| </li> |
| </ul> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - tuple type</dd> |
| </dl> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../../../org/apache/edgent/function/Predicate.html" title="interface in org.apache.edgent.function">Predicate</a><T></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">Deadtime<T></span> |
| extends java.lang.Object |
| implements <a href="../../../../../org/apache/edgent/function/Predicate.html" title="interface in org.apache.edgent.function">Predicate</a><T></pre> |
| <div class="block">Deadtime <a href="../../../../../org/apache/edgent/function/Predicate.html" title="interface in org.apache.edgent.function"><code>Predicate</code></a>. |
| <p> |
| <a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#test-T-"><code>test()</code></a> returns true on its initial call |
| and then false for any calls occurring during the following deadtime period. |
| After the end of a deadtime period, the next call to <code>test()</code> |
| returns true and a new deadtime period is begun. |
| </p><p> |
| The deadtime period may be changed while the topology is running |
| via <a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#setPeriod-long-java.util.concurrent.TimeUnit-"><code>setPeriod(long, TimeUnit)</code></a>. |
| </p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/edgent/analytics/sensors/Filters.html#deadtime-org.apache.edgent.topology.TStream-long-java.util.concurrent.TimeUnit-"><code>Filters.deadtime()</code></a>, |
| <a href="../../../../../serialized-form.html#org.apache.edgent.analytics.sensors.Deadtime">Serialized Form</a></dd> |
| </dl> |
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| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#Deadtime--">Deadtime</a></span>()</code> |
| <div class="block">Create a new Deadtime Predicate</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#Deadtime-long-java.util.concurrent.TimeUnit-">Deadtime</a></span>(long deadtimePeriod, |
| java.util.concurrent.TimeUnit unit)</code> |
| <div class="block">Create a new Deadtime Predicate</div> |
| </td> |
| </tr> |
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| <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="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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#setPeriod-long-java.util.concurrent.TimeUnit-">setPeriod</a></span>(long deadtimePeriod, |
| java.util.concurrent.TimeUnit unit)</code> |
| <div class="block">Set the deadtime period</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#test-T-">test</a></span>(<a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html" title="type parameter in Deadtime">T</a> value)</code> |
| <div class="block">Test the deadtime predicate.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#toString--">toString</a></span>()</code> |
| <div class="block">Returns a String for development/debug support.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
| </li> |
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| <h4>Deadtime</h4> |
| <pre>public Deadtime()</pre> |
| <div class="block">Create a new Deadtime Predicate |
| <p> |
| Same as <code>Deadtime(0, TimeUnit.SECONDS)</code></div> |
| </li> |
| </ul> |
| <a name="Deadtime-long-java.util.concurrent.TimeUnit-"> |
| <!-- --> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>Deadtime</h4> |
| <pre>public Deadtime(long deadtimePeriod, |
| java.util.concurrent.TimeUnit unit)</pre> |
| <div class="block">Create a new Deadtime Predicate |
| <p> |
| The first received tuple is always "accepted".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deadtimePeriod</code> - see <a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html#setPeriod-long-java.util.concurrent.TimeUnit-"><code>setPeriod()</code></a></dd> |
| <dd><code>unit</code> - <code>TimeUnit</code> of <code>deadtimePeriod</code></dd> |
| </dl> |
| </li> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setPeriod</h4> |
| <pre>public void setPeriod(long deadtimePeriod, |
| java.util.concurrent.TimeUnit unit)</pre> |
| <div class="block">Set the deadtime period |
| <p> |
| The end of a currently active deadtime period is shortened or extended |
| to match the new deadtime period specification. |
| </p><p> |
| The deadtime period behavior is subject to the accuracy |
| of the system's <code>System.currentTimeMillis()</code>. |
| A period of less than 1ms is equivalent to specifying 0. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deadtimePeriod</code> - the amount of time for <code>test()</code> |
| to return false after returning true. |
| Specify a value of 0 for no deadtime period. |
| Must be >= 0.</dd> |
| <dd><code>unit</code> - <code>TimeUnit</code> of <code>deadtimePeriod</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="test-java.lang.Object-"> |
| <!-- --> |
| </a><a name="test-T-"> |
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| <h4>test</h4> |
| <pre>public boolean test(<a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html" title="type parameter in Deadtime">T</a> value)</pre> |
| <div class="block">Test the deadtime predicate.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/edgent/function/Predicate.html#test-T-">test</a></code> in interface <code><a href="../../../../../org/apache/edgent/function/Predicate.html" title="interface in org.apache.edgent.function">Predicate</a><<a href="../../../../../org/apache/edgent/analytics/sensors/Deadtime.html" title="type parameter in Deadtime">T</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>value</code> - ignored</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>false if in a deadtime period, true otherwise</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toString--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>toString</h4> |
| <pre>public java.lang.String toString()</pre> |
| <div class="block">Returns a String for development/debug support. Content subject to change.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>toString</code> in class <code>java.lang.Object</code></dd> |
| </dl> |
| </li> |
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| </li> |
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