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| <h2 title="Class TextSerializer" class="title">Class TextSerializer</h2> |
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| <li>org.apache.hadoop.mapred.nativetask.serde.TextSerializer</li> |
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| <pre>@InterfaceAudience.Private |
| public class <span class="typeNameLabel">TextSerializer</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/hadoop/mapred/nativetask/serde/INativeSerializer.html" title="interface in org.apache.hadoop.mapred.nativetask.serde">INativeSerializer</a><org.apache.hadoop.io.Text>, <a href="../../../../../../org/apache/hadoop/mapred/nativetask/INativeComparable.html" title="interface in org.apache.hadoop.mapred.nativetask">INativeComparable</a></pre> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/TextSerializer.html#TextSerializer--">TextSerializer</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/hadoop/mapred/nativetask/serde/TextSerializer.html#deserialize-java.io.DataInput-int-org.apache.hadoop.io.Text-">deserialize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a> in, |
| int length, |
| org.apache.hadoop.io.Text w)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/TextSerializer.html#getLength-org.apache.hadoop.io.Text-">getLength</a></span>(org.apache.hadoop.io.Text w)</code> |
| <div class="block">get length of data to be serialized.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/TextSerializer.html#serialize-org.apache.hadoop.io.Text-java.io.DataOutput-">serialize</a></span>(org.apache.hadoop.io.Text w, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a> out)</code> </td> |
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| <h4>TextSerializer</h4> |
| <pre>public TextSerializer() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a>, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a></code></dd> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</a></code></dd> |
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| <a name="getLength-org.apache.hadoop.io.Text-"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getLength</h4> |
| <pre>public int getLength(org.apache.hadoop.io.Text w) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html#getLength-T-">INativeSerializer</a></code></span></div> |
| <div class="block">get length of data to be serialized. If the data length is already known (like IntWritable) |
| and could immediately be returned from this method, it is good chance to implement customized |
| NativeSerializer for efficiency</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html#getLength-T-">getLength</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html" title="interface in org.apache.hadoop.mapred.nativetask.serde">INativeSerializer</a><org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <a name="serialize-org.apache.hadoop.io.Text-java.io.DataOutput-"> |
| <!-- --> |
| </a> |
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| <h4>serialize</h4> |
| <pre>public void serialize(org.apache.hadoop.io.Text w, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a> out) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html#serialize-T-java.io.DataOutput-">serialize</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html" title="interface in org.apache.hadoop.mapred.nativetask.serde">INativeSerializer</a><org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <!-- --> |
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| <h4>deserialize</h4> |
| <pre>public void deserialize(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a> in, |
| int length, |
| org.apache.hadoop.io.Text w) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
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| <dd><code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html#deserialize-java.io.DataInput-int-T-">deserialize</a></code> in interface <code><a href="../../../../../../org/apache/hadoop/mapred/nativetask/serde/INativeSerializer.html" title="interface in org.apache.hadoop.mapred.nativetask.serde">INativeSerializer</a><org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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