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| <pre>@Documented |
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| public @interface <span class="memberNameLabel">DefaultCoder</span></pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/coders/DefaultCoder.html" title="annotation in org.apache.beam.sdk.coders"><code>DefaultCoder</code></a> annotation specifies a <a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders"><code>Coder</code></a> class to handle encoding and |
| decoding instances of the annotated class. |
| |
| <p>The specified <a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders"><code>Coder</code></a> must have the following method: |
| |
| <pre> |
| <code> public static CoderProvider getCoderProvider()</code>. |
| </pre> |
| |
| <p>Coders specified explicitly via <a href="../../../../../org/apache/beam/sdk/values/PCollection.html#setCoder-org.apache.beam.sdk.coders.Coder-"><code>PCollection.setCoder(org.apache.beam.sdk.coders.Coder<T>)</code></a> take precedence, followed by |
| Coders found at runtime via <a href="../../../../../org/apache/beam/sdk/coders/CoderRegistry.html#getCoder-java.lang.Class-"><code>CoderRegistry.getCoder(java.lang.Class<T>)</code></a>. See <a href="../../../../../org/apache/beam/sdk/coders/CoderRegistry.html" title="class in org.apache.beam.sdk.coders"><code>CoderRegistry</code></a> for a more |
| detailed discussion of the precedence rules.</div> |
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| <caption><span>Required Elements</span><span class="tabEnd"> </span></caption> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Required Element and Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>java.lang.Class<? extends <a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/coders/DefaultCoder.html#value--">value</a></span></code> </td> |
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| <h4>value</h4> |
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| public abstract java.lang.Class<? extends <a href="../../../../../org/apache/beam/sdk/coders/Coder.html" title="class in org.apache.beam.sdk.coders">Coder</a>> value</pre> |
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