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<h1 title="Package" class="title">Package&nbsp;org.apache.storm.streams.operations</h1>
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<th class="colFirst" scope="col">Interface</th>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/BiFunction.html" title="interface in org.apache.storm.streams.operations">BiFunction</a>&lt;T,U,R&gt;</td>
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<div class="block">a function that accepts two arguments and produces a result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/CombinerAggregator.html" title="interface in org.apache.storm.streams.operations">CombinerAggregator</a>&lt;T,A,R&gt;</td>
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<div class="block">Interface for aggregating values.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/Consumer.html" title="interface in org.apache.storm.streams.operations">Consumer</a>&lt;T&gt;</td>
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<div class="block">Represents an operation that accepts a single input argument and returns no result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/FlatMapFunction.html" title="interface in org.apache.storm.streams.operations">FlatMapFunction</a>&lt;T,R&gt;</td>
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<div class="block">A function that accepts one argument and returns an <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang"><code>Iterable</code></a> of elements as its result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/Function.html" title="interface in org.apache.storm.streams.operations">Function</a>&lt;T,R&gt;</td>
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<div class="block">Represents a function that accepts one argument and produces a result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/Operation.html" title="interface in org.apache.storm.streams.operations">Operation</a></td>
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<div class="block">The parent interface for any kind of streaming operation.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/PairFlatMapFunction.html" title="interface in org.apache.storm.streams.operations">PairFlatMapFunction</a>&lt;T,K,V&gt;</td>
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<div class="block">A function that accepts one argument and returns an <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang"><code>Iterable</code></a> of <a href="../../../../../org/apache/storm/streams/Pair.html" title="class in org.apache.storm.streams"><code>Pair</code></a> as its result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/PairFunction.html" title="interface in org.apache.storm.streams.operations">PairFunction</a>&lt;T,K,V&gt;</td>
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<div class="block">A function that accepts an argument and produces a key-value Pair.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/Predicate.html" title="interface in org.apache.storm.streams.operations">Predicate</a>&lt;T&gt;</td>
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<div class="block">Represents a predicate (boolean-valued function) of a value.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/Reducer.html" title="interface in org.apache.storm.streams.operations">Reducer</a>&lt;T&gt;</td>
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<div class="block">The <a href="../../../../../org/apache/storm/streams/operations/Reducer.html" title="interface in org.apache.storm.streams.operations"><code>Reducer</code></a> performs an operation on two values of the same type producing a result of the same type.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/StateUpdater.html" title="interface in org.apache.storm.streams.operations">StateUpdater</a>&lt;T,S&gt;</td>
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<div class="block">Interface for updating state.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/ValueJoiner.html" title="interface in org.apache.storm.streams.operations">ValueJoiner</a>&lt;V1,V2,R&gt;</td>
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<div class="block">An interface for joining two values to produce a result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/IdentityFunction.html" title="class in org.apache.storm.streams.operations">IdentityFunction</a>&lt;T&gt;</td>
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<div class="block">A <a href="../../../../../org/apache/storm/streams/operations/Function.html" title="interface in org.apache.storm.streams.operations"><code>Function</code></a> that returns the input argument itself as the result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/PairValueJoiner.html" title="class in org.apache.storm.streams.operations">PairValueJoiner</a>&lt;V1,V2&gt;</td>
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<div class="block">A <a href="../../../../../org/apache/storm/streams/operations/ValueJoiner.html" title="interface in org.apache.storm.streams.operations"><code>ValueJoiner</code></a> that joins two values to produce a <a href="../../../../../org/apache/storm/streams/Pair.html" title="class in org.apache.storm.streams"><code>Pair</code></a> of the two values as the result.</div>
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<td class="colFirst"><a href="../../../../../org/apache/storm/streams/operations/PrintConsumer.html" title="class in org.apache.storm.streams.operations">PrintConsumer</a>&lt;T&gt;</td>
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<div class="block">A consumer that prints the input to stdout.</div>
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