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| <h2 title="Class Windows" class="title">Class Windows<W extends <a href="../../../../../org/apache/kafka/streams/kstream/Window.html" title="class in org.apache.kafka.streams.kstream">Window</a>></h2> |
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| <dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>W</code> - type of the window instance</dd></dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/kafka/streams/kstream/JoinWindows.html" title="class in org.apache.kafka.streams.kstream">JoinWindows</a>, <a href="../../../../../org/apache/kafka/streams/kstream/TimeWindows.html" title="class in org.apache.kafka.streams.kstream">TimeWindows</a>, <a href="../../../../../org/apache/kafka/streams/kstream/UnlimitedWindows.html" title="class in org.apache.kafka.streams.kstream">UnlimitedWindows</a></dd> |
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| <pre>public abstract class <span class="strong">Windows<W extends <a href="../../../../../org/apache/kafka/streams/kstream/Window.html" title="class in org.apache.kafka.streams.kstream">Window</a>></span> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">The window specification interface that can be extended for windowing operation in joins and aggregations.</div> |
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| <td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#name">name</a></strong></code> </td> |
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| <td class="colFirst"><code>int</code></td> |
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| <td class="colFirst"><code>protected </code></td> |
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| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#maintainMs()">maintainMs</a></strong>()</code> |
| <div class="block">Return the window maintain duration in milliseconds of system time.</div> |
| </td> |
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| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#name()">name</a></strong>()</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="class in org.apache.kafka.streams.kstream">Windows</a><<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#segments(int)">segments</a></strong>(int segments)</code> |
| <div class="block">Specify the number of segments to be used for rolling the window store, |
| this function is not exposed to users but can be called by developers that extend this JoinWindows specs.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="class in org.apache.kafka.streams.kstream">Windows</a><<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#until(long)">until</a></strong>(long durationMs)</code> |
| <div class="block">Set the window maintain duration in milliseconds of system time.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/kafka/streams/kstream/Windows.html#windowsFor(long)">windowsFor</a></strong>(long timestamp)</code> |
| <div class="block">Creates all windows that contain the provided timestamp, indexed by non-negative window start timestamps.</div> |
| </td> |
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| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Field Detail</h3> |
| <a name="name"> |
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| <h4>name</h4> |
| <pre>protected <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name</pre> |
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| <pre>public int segments</pre> |
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| <h4>Windows</h4> |
| <pre>protected Windows(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
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| <h4>name</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name()</pre> |
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| <h4>until</h4> |
| <pre>public <a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="class in org.apache.kafka.streams.kstream">Windows</a><<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>> until(long durationMs)</pre> |
| <div class="block">Set the window maintain duration in milliseconds of system time.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>itself</dd></dl> |
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| <pre>protected <a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="class in org.apache.kafka.streams.kstream">Windows</a><<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>> segments(int segments)</pre> |
| <div class="block">Specify the number of segments to be used for rolling the window store, |
| this function is not exposed to users but can be called by developers that extend this JoinWindows specs.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>itself</dd></dl> |
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| <h4>maintainMs</h4> |
| <pre>public long maintainMs()</pre> |
| <div class="block">Return the window maintain duration in milliseconds of system time.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>the window maintain duration in milliseconds of system time</dd></dl> |
| </li> |
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| <a name="windowsFor(long)"> |
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| <h4>windowsFor</h4> |
| <pre>public abstract <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="../../../../../org/apache/kafka/streams/kstream/Windows.html" title="type parameter in Windows">W</a>> windowsFor(long timestamp)</pre> |
| <div class="block">Creates all windows that contain the provided timestamp, indexed by non-negative window start timestamps.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>timestamp</code> - the timestamp window should get created for</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>a map of <code>windowStartTimestamp -> Window</code> entries</dd></dl> |
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