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<h2 title="Interface StreamSingleTupleExtractor" class="title">Interface StreamSingleTupleExtractor&lt;T,K,V&gt;</h2>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../org/apache/ignite/stream/StreamTupleExtractor.html" title="interface in org.apache.ignite.stream">StreamTupleExtractor</a>&lt;T,K,V&gt;</dd>
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<pre>public interface <span class="strong">StreamSingleTupleExtractor&lt;T,K,V&gt;</span></pre>
<div class="block">Stream tuple extractor to convert a message to a single Ignite key-value tuple.
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Alternatively, <a href="../../../../org/apache/ignite/stream/StreamMultipleTupleExtractor.html" title="interface in org.apache.ignite.stream"><code>StreamMultipleTupleExtractor</code></a> can be used in cases where a single message/event may
produce more than one tuple.
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NOTE: This interface supersedes the former <a href="../../../../org/apache/ignite/stream/StreamTupleExtractor.html" title="interface in org.apache.ignite.stream"><code>StreamTupleExtractor</code></a> which is now deprecated.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/apache/ignite/stream/StreamMultipleTupleExtractor.html" title="interface in org.apache.ignite.stream"><code>StreamMultipleTupleExtractor</code></a></dd></dl>
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<td class="colFirst"><code><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>&lt;<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">K</a>,<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">V</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html#extract(T)">extract</a></strong>(<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">T</a>&nbsp;msg)</code>
<div class="block">Extracts a key-value tuple from a message.</div>
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<h4>extract</h4>
<pre><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>&lt;<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">K</a>,<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">V</a>&gt;&nbsp;extract(<a href="../../../../org/apache/ignite/stream/StreamSingleTupleExtractor.html" title="type parameter in StreamSingleTupleExtractor">T</a>&nbsp;msg)</pre>
<div class="block">Extracts a key-value tuple from a message.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>msg</code> - Message.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Key-value tuple.</dd></dl>
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