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| <h2 title="Class WordCountValueMapper" class="title">Class WordCountValueMapper</h2> |
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| <pre>public class <span class="typeNameLabel">WordCountValueMapper</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html" title="interface in org.apache.storm.hbase.bolt.mapper">HBaseValueMapper</a></pre> |
| <div class="block"><p>Takes a Hbase result and returns a value list that has a value instance for each column and corresponding value. So if the result from Hbase was <pre> WORD, COUNT apple, 10 bannana, 20 </pre></p><p><p>this will return <pre> [WORD, apple] |
| [COUNT, 10] [WORD, banana] |
| [COUNT, 20] </pre></p></div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/hbase/topology/WordCountValueMapper.html#WordCountValueMapper--">WordCountValueMapper</a></span>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/hbase/topology/WordCountValueMapper.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></span>(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</code> |
| <div class="block">declares the output fields for the lookup bolt.</div> |
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| org.apache.hadoop.hbase.client.Result result)</code> |
| <div class="block">Map to values.</div> |
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| <h4>WordCountValueMapper</h4> |
| <pre>public WordCountValueMapper()</pre> |
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| <h4>toValues</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/storm/tuple/Values.html" title="class in org.apache.storm.tuple">Values</a>> toValues(<a href="../../../../../org/apache/storm/tuple/ITuple.html" title="interface in org.apache.storm.tuple">ITuple</a> tuple, |
| org.apache.hadoop.hbase.client.Result result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html#toValues-org.apache.storm.tuple.ITuple-org.apache.hadoop.hbase.client.Result-">HBaseValueMapper</a></code></span></div> |
| <div class="block"><p>Map to values.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html#toValues-org.apache.storm.tuple.ITuple-org.apache.hadoop.hbase.client.Result-">toValues</a></code> in interface <code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html" title="interface in org.apache.storm.hbase.bolt.mapper">HBaseValueMapper</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>tuple</code> - tuple</dd> |
| <dd><code>result</code> - HBase lookup result instance</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>list of values that should be emitted by the lookup bolt</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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| <pre>public void declareOutputFields(<a href="../../../../../org/apache/storm/topology/OutputFieldsDeclarer.html" title="interface in org.apache.storm.topology">OutputFieldsDeclarer</a> declarer)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">HBaseValueMapper</a></code></span></div> |
| <div class="block"><p>declares the output fields for the lookup bolt.</p></div> |
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| <dd><code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html#declareOutputFields-org.apache.storm.topology.OutputFieldsDeclarer-">declareOutputFields</a></code> in interface <code><a href="../../../../../org/apache/storm/hbase/bolt/mapper/HBaseValueMapper.html" title="interface in org.apache.storm.hbase.bolt.mapper">HBaseValueMapper</a></code></dd> |
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