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| <div class="subTitle">org.apache.ignite.stream</div> |
| <h2 title="Class StreamTransformer" class="title">Class StreamTransformer<K,V></h2> |
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| <ul class="inheritance"> |
| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <li>org.apache.ignite.stream.StreamTransformer<K,V></li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="http://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, javax.cache.processor.EntryProcessor<K,V,<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>>, <a href="../../../../org/apache/ignite/stream/StreamReceiver.html" title="interface in org.apache.ignite.stream">StreamReceiver</a><K,V></dd> |
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| <pre>public abstract class <span class="strong">StreamTransformer<K,V></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> |
| implements <a href="../../../../org/apache/ignite/stream/StreamReceiver.html" title="interface in org.apache.ignite.stream">StreamReceiver</a><K,V>, javax.cache.processor.EntryProcessor<K,V,<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">Convenience adapter to transform update existing values in streaming cache |
| based on the previously cached value. |
| <p> |
| This transformer implement <code>EntryProcessor</code> and internally will call |
| <a href="../../../../org/apache/ignite/IgniteCache.html#invoke(K,%20javax.cache.processor.EntryProcessor,%20java.lang.Object...)"><code>IgniteCache.invoke(Object, EntryProcessor, Object...)</code></a> method. Note |
| that the value received from the data streamer will be passed to the entry |
| processor as an argument.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../serialized-form.html#org.apache.ignite.stream.StreamTransformer">Serialized Form</a></dd></dl> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../org/apache/ignite/stream/StreamTransformer.html#StreamTransformer()">StreamTransformer</a></strong>()</code> </td> |
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| <caption><span>Methods</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <td class="colFirst"><code>static <K,V> <a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="class in org.apache.ignite.stream">StreamTransformer</a><K,V></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/stream/StreamTransformer.html#from(org.apache.ignite.cache.CacheEntryProcessor)">from</a></strong>(<a href="../../../../org/apache/ignite/cache/CacheEntryProcessor.html" title="interface in org.apache.ignite.cache">CacheEntryProcessor</a><K,V,<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>> ep)</code> |
| <div class="block">Creates a new transformer based on instance of <a href="../../../../org/apache/ignite/cache/CacheEntryProcessor.html" title="interface in org.apache.ignite.cache"><code>CacheEntryProcessor</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/stream/StreamTransformer.html#receive(org.apache.ignite.IgniteCache,%20java.util.Collection)">receive</a></strong>(<a href="../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">K</a>,<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">V</a>> cache, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a><<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">K</a>,<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">V</a>>> entries)</code> |
| <div class="block">Updates cache with batch of entries.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <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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| <!-- --> |
| </a> |
| <h3>Methods inherited from interface javax.cache.processor.EntryProcessor</h3> |
| <code>process</code></li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Constructor Detail</h3> |
| <a name="StreamTransformer()"> |
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| <li class="blockList"> |
| <h4>StreamTransformer</h4> |
| <pre>public StreamTransformer()</pre> |
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| <h3>Method Detail</h3> |
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| <h4>receive</h4> |
| <pre>public void receive(<a href="../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">K</a>,<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">V</a>> cache, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a><<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">K</a>,<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">V</a>>> entries) |
| throws <a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></pre> |
| <div class="block">Updates cache with batch of entries.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../org/apache/ignite/stream/StreamReceiver.html#receive(org.apache.ignite.IgniteCache,%20java.util.Collection)">receive</a></code> in interface <code><a href="../../../../org/apache/ignite/stream/StreamReceiver.html" title="interface in org.apache.ignite.stream">StreamReceiver</a><<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">K</a>,<a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="type parameter in StreamTransformer">V</a>></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>cache</code> - Cache.</dd><dd><code>entries</code> - Collection of entries.</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/ignite/IgniteException.html" title="class in org.apache.ignite">IgniteException</a></code> - If failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="from(org.apache.ignite.cache.CacheEntryProcessor)"> |
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| <h4>from</h4> |
| <pre>public static <K,V> <a href="../../../../org/apache/ignite/stream/StreamTransformer.html" title="class in org.apache.ignite.stream">StreamTransformer</a><K,V> from(<a href="../../../../org/apache/ignite/cache/CacheEntryProcessor.html" title="interface in org.apache.ignite.cache">CacheEntryProcessor</a><K,V,<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>> ep)</pre> |
| <div class="block">Creates a new transformer based on instance of <a href="../../../../org/apache/ignite/cache/CacheEntryProcessor.html" title="interface in org.apache.ignite.cache"><code>CacheEntryProcessor</code></a>.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>ep</code> - Entry processor.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>Stream transformer.</dd></dl> |
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| <p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2015 Copyright © Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Fabric</b> </td> <td>: ver. <strong>1.6.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: May 18 2016 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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