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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.streams.windowing</a></div> |
| <h1 title="Interface Window" class="title">Interface Window<L,<wbr>I></h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>Type Parameters:</dt> |
| <dd><code>L</code> - the type of window length parameter (E.g. Count, Duration)</dd> |
| <dd><code>I</code> - the type of the sliding interval parameter (E.g. Count, Duration)</dd> |
| </dl> |
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| <dt>All Superinterfaces:</dt> |
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| </dl> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="BaseWindow.html" title="class in org.apache.storm.streams.windowing">BaseWindow</a></code>, <code><a href="SlidingWindows.html" title="class in org.apache.storm.streams.windowing">SlidingWindows</a></code>, <code><a href="TumblingWindows.html" title="class in org.apache.storm.streams.windowing">TumblingWindows</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">Window<L,<wbr>I></span><span class="extends-implements"> |
| extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/Serializable.html" title="class or interface in java.io" class="external-link">Serializable</a></span></div> |
| <div class="block">The window specification within <a href="../Stream.html" title="class in org.apache.storm.streams"><code>Stream</code></a>.</div> |
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| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../../topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getLag()" class="member-name-link">getLag</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The maximum time lag of the tuple timestamp in milliseconds.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getLateTupleStream()" class="member-name-link">getLateTupleStream</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The name of the stream where late arriving tuples should be emitted.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Window.html" title="type parameter in Window">I</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getSlidingInterval()" class="member-name-link">getSlidingInterval</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The sliding interval of the window.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getTimestampField()" class="member-name-link">getTimestampField</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The name of the field in the tuple that contains the timestamp when the event occurred as a long value.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="Window.html" title="type parameter in Window">L</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getWindowLength()" class="member-name-link">getWindowLength</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">The length of the window.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getWindowLength()"> |
| <h3>getWindowLength</h3> |
| <div class="member-signature"><span class="return-type"><a href="Window.html" title="type parameter in Window">L</a></span> <span class="element-name">getWindowLength</span>()</div> |
| <div class="block">The length of the window.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the window length</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSlidingInterval()"> |
| <h3>getSlidingInterval</h3> |
| <div class="member-signature"><span class="return-type"><a href="Window.html" title="type parameter in Window">I</a></span> <span class="element-name">getSlidingInterval</span>()</div> |
| <div class="block">The sliding interval of the window.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the sliding interval</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTimestampField()"> |
| <h3>getTimestampField</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">getTimestampField</span>()</div> |
| <div class="block">The name of the field in the tuple that contains the timestamp when the event occurred as a long value. This is used of event-time |
| based processing. If this config is set and the field is not present in the incoming tuple, an <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link"><code>IllegalArgumentException</code></a> will |
| be thrown.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the timestamp field.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLateTupleStream()"> |
| <h3>getLateTupleStream</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">getLateTupleStream</span>()</div> |
| <div class="block">The name of the stream where late arriving tuples should be emitted. If this is not provided, the late tuples would be discarded.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the name of the stream used to emit late tuples on</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLag()"> |
| <h3>getLag</h3> |
| <div class="member-signature"><span class="return-type"><a href="../../topology/base/BaseWindowedBolt.Duration.html" title="class in org.apache.storm.topology.base">BaseWindowedBolt.Duration</a></span> <span class="element-name">getLag</span>()</div> |
| <div class="block">The maximum time lag of the tuple timestamp in milliseconds. It means that the tuple timestamps cannot be out of order by more than |
| this amount.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>the lag</dd> |
| </dl> |
| </section> |
| </li> |
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