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KAFKA-7269: Add docs for KStream.merge #5512

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Aug 29, 2018
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KAFKA-7269: Add docs for KStream.merge #5512

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31 changes: 27 additions & 4 deletions docs/streams/developer-guide/dsl-api.html
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Original file line number Diff line number Diff line change
Expand Up @@ -591,7 +591,30 @@ <h2><a class="toc-backref" href="#id7">Overview</a><a class="headerlink" href="#
</div>
</td>
</tr>
<tr class="row-even"><td><p class="first"><strong>Peek</strong></p>
<tr class="row-even"><td><p class="first"><strong>Merge</strong></p>
<ul class="last simple">
<li>KStream &rarr; KStream</li>
</ul>
</td>
<td><p class="first">Merges records of two streams into one larger stream.
(<a class="reference external"
href="../../../javadoc/org/apache/kafka/streams/kstream/KStream.html#merge-org.apache.kafka.streams.kstream.KStream-">details</a>)
<p>There is no ordering guarantee between records
from different streams in the merged stream. Relative order is preserved within each input stream though (ie, records within the same input stream are processed in order)</p>
<div class="last highlight-java">
<div class="highlight">
<pre>
<span class="n">KStream</span><span class="o">&lt;</span><span class="kt">byte</span><span class="o">[],</span> <span class="n">String</span><span class="o">&gt;</span> <span class="n">stream1</span> <span class="o">=</span> <span class="o">...;</span>

<span class="n">KStream</span><span class="o">&lt;</span><span class="kt">byte</span><span class="o">[],</span> <span class="n">String</span><span class="o">&gt;</span> <span class="n">stream2</span> <span class="o">=</span> <span class="o">...;</span>

<span class="n">KStream</span><span class="o">&lt;</span><span class="kt">byte</span><span class="o">[],</span> <span class="n">String</span><span class="o">&gt;</span> <span class="n">merged</span> <span class="o">=</span> <span class="n">stream1</span><span class="o">.</span><span class="na">merge</span><span class="o">(</span><span class="n">stream2</span><span class="o">);</span>
</pre>
</div>
</div>
</td>
</tr>
<tr class="row-odd"><td><p class="first"><strong>Peek</strong></p>
<ul class="last simple">
<li>KStream &rarr; KStream</li>
</ul>
Expand Down Expand Up @@ -622,7 +645,7 @@ <h2><a class="toc-backref" href="#id7">Overview</a><a class="headerlink" href="#
</div>
</td>
</tr>
<tr class="row-odd"><td><p class="first"><strong>Print</strong></p>
<tr class="row-even"><td><p class="first"><strong>Print</strong></p>
<ul class="last simple">
<li>KStream &rarr; void</li>
</ul>
Expand All @@ -641,7 +664,7 @@ <h2><a class="toc-backref" href="#id7">Overview</a><a class="headerlink" href="#
</div>
</td>
</tr>
<tr class="row-even"><td><p class="first"><strong>SelectKey</strong></p>
<tr class="row-odd"><td><p class="first"><strong>SelectKey</strong></p>
<ul class="last simple">
<li>KStream &rarr; KStream</li>
</ul>
Expand Down Expand Up @@ -669,7 +692,7 @@ <h2><a class="toc-backref" href="#id7">Overview</a><a class="headerlink" href="#
</div>
</td>
</tr>
<tr class="row-odd"><td><p class="first"><strong>Table to Stream</strong></p>
<tr class="row-even"><td><p class="first"><strong>Table to Stream</strong></p>
<ul class="last simple">
<li>KTable &rarr; KStream</li>
</ul>
Expand Down