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    <title>Class StreamTransformer&lt;TK, TV, TArg, TRes&gt;
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            <article class="content wrap" id="_content" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4">
  
  
  <h1 id="Apache_Ignite_Core_Datastream_StreamTransformer_4" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4" class="text-break">Class StreamTransformer&lt;TK, TV, TArg, TRes&gt;
  </h1>
  <div class="markdown level0 summary"><p>Convenience adapter to transform update existing values in streaming cache 
based on the previously cached value.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><span class="xref">System.Object</span></div>
    <div class="level1"><span class="xref">StreamTransformer&lt;TK, TV, TArg, TRes&gt;</span></div>
  </div>
  <div classs="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="Apache.Ignite.Core.Datastream.IStreamReceiver-2.html">IStreamReceiver</a>&lt;TK, TV&gt;</div>
  </div>
  <div class="inheritedMembers">
    <h5>Inherited Members</h5>
    <div>
      <span class="xref">System.Object.ToString()</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.Equals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
    </div>
    <div>
      <span class="xref">System.Object.GetHashCode()</span>
    </div>
    <div>
      <span class="xref">System.Object.GetType()</span>
    </div>
    <div>
      <span class="xref">System.Object.MemberwiseClone()</span>
    </div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="Apache.Ignite.Core.Datastream.html">Apache.Ignite.Core.Datastream</a></h6>
  <h6><strong>Assembly</strong>: Apache.Ignite.Core.dll</h6>
  <h5 id="Apache_Ignite_Core_Datastream_StreamTransformer_4_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public sealed class StreamTransformer&lt;TK, TV, TArg, TRes&gt; : IStreamReceiver&lt;TK, TV&gt;, IBinaryWriteAware</code></pre>
  </div>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">TK</span></td>
        <td><p>Key type.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TV</span></td>
        <td><p>Value type.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TArg</span></td>
        <td><p>The type of the processor argument.</p>
</td>
      </tr>
      <tr>
        <td><span class="parametername">TRes</span></td>
        <td><p>The type of the processor result.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="constructors">Constructors
  </h3>
  <a id="Apache_Ignite_Core_Datastream_StreamTransformer_4__ctor_" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4.#ctor*"></a>
  <h4 id="Apache_Ignite_Core_Datastream_StreamTransformer_4__ctor_Apache_Ignite_Core_Cache_ICacheEntryProcessor__0__1__2__3__" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4.#ctor(Apache.Ignite.Core.Cache.ICacheEntryProcessor{`0,`1,`2,`3})">StreamTransformer(ICacheEntryProcessor&lt;TK, TV, TArg, TRes&gt;)</h4>
  <div class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="Apache.Ignite.Core.Datastream.StreamTransformer-4.html">StreamTransformer&lt;TK, TV, TArg, TRes&gt;</a> class.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public StreamTransformer(ICacheEntryProcessor&lt;TK, TV, TArg, TRes&gt; proc)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntryProcessor-4.html">ICacheEntryProcessor</a>&lt;TK, TV, TArg, TRes&gt;</td>
        <td><span class="parametername">proc</span></td>
        <td><p>Entry processor.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
  </h3>
  <a id="Apache_Ignite_Core_Datastream_StreamTransformer_4_Receive_" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4.Receive*"></a>
  <h4 id="Apache_Ignite_Core_Datastream_StreamTransformer_4_Receive_Apache_Ignite_Core_Cache_ICache__0__1__System_Collections_Generic_ICollection_Apache_Ignite_Core_Cache_ICacheEntry__0__1___" data-uid="Apache.Ignite.Core.Datastream.StreamTransformer`4.Receive(Apache.Ignite.Core.Cache.ICache{`0,`1},System.Collections.Generic.ICollection{Apache.Ignite.Core.Cache.ICacheEntry{`0,`1}})">Receive(ICache&lt;TK, TV&gt;, ICollection&lt;ICacheEntry&lt;TK, TV&gt;&gt;)</h4>
  <div class="markdown level1 summary"><p>Updates cache with batch of entries.</p>
</div>
  <div class="markdown level1 conceptual"></div>
  <h5 class="decalaration">Declaration</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public void Receive(ICache&lt;TK, TV&gt; cache, ICollection&lt;ICacheEntry&lt;TK, TV&gt;&gt; entries)</code></pre>
  </div>
  <h5 class="parameters">Parameters</h5>
  <table class="table table-bordered table-striped table-condensed">
    <thead>
      <tr>
        <th>Type</th>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><a class="xref" href="Apache.Ignite.Core.Cache.ICache-2.html">ICache</a>&lt;TK, TV&gt;</td>
        <td><span class="parametername">cache</span></td>
        <td><p>Cache.</p>
</td>
      </tr>
      <tr>
        <td><span class="xref">System.Collections.Generic.ICollection</span>&lt;<a class="xref" href="Apache.Ignite.Core.Cache.ICacheEntry-2.html">ICacheEntry</a>&lt;TK, TV&gt;&gt;</td>
        <td><span class="parametername">entries</span></td>
        <td><p>Entries.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="implements">Implements</h3>
  <div>
      <a class="xref" href="Apache.Ignite.Core.Datastream.IStreamReceiver-2.html">IStreamReceiver&lt;TK, TV&gt;</a>
  </div>
</article>
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