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| <div class="subTitle">org.apache.beam.sdk.transforms.display</div> |
| <h2 title="Class DisplayData.Identifier" class="title">Class DisplayData.Identifier</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.beam.sdk.transforms.display.DisplayData.Identifier</li> |
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| <pre>public abstract static class <span class="typeNameLabel">DisplayData.Identifier</span> |
| extends java.lang.Object |
| implements java.io.Serializable</pre> |
| <div class="block">Unique identifier for a display data item within a component. |
| |
| <p>Identifiers are composed of: |
| |
| <ul> |
| <li>A <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getPath--"><code>path</code></a> based on the component hierarchy |
| <li>The <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getKey--"><code>key</code></a> it is registered with |
| <li>A <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getNamespace--"><code>namespace</code></a> generated from the class of the component which |
| registered the item. |
| </ul> |
| |
| <p>Display data registered with the same key from different components will have different |
| namespaces and thus will both be represented in the composed <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.html" title="class in org.apache.beam.sdk.transforms.display"><code>DisplayData</code></a>. If a single |
| component registers multiple metadata items with the same key, only the most recent item will |
| be retained; previous versions are discarded.</div> |
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| <dd><a href="../../../../../../serialized-form.html#org.apache.beam.sdk.transforms.display.DisplayData.Identifier">Serialized Form</a></dd> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#Identifier--">Identifier</a></span>()</code> </td> |
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| <td class="colFirst"><code>abstract java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getKey--">getKey</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>abstract java.lang.Class<?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getNamespace--">getNamespace</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Path.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Path</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#getPath--">getPath</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Identifier</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#of-org.apache.beam.sdk.transforms.display.DisplayData.Path-java.lang.Class-java.lang.String-">of</a></span>(<a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Path.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Path</a> path, |
| java.lang.Class<?> namespace, |
| java.lang.String key)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html#toString--">toString</a></span>()</code> </td> |
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| <a name="Identifier--"> |
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| <h4>Identifier</h4> |
| <pre>public Identifier()</pre> |
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| <pre>public abstract <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Path.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Path</a> getPath()</pre> |
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| <h4>getKey</h4> |
| <pre>public abstract java.lang.String getKey()</pre> |
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| <pre>public static <a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Identifier.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Identifier</a> of(<a href="../../../../../../org/apache/beam/sdk/transforms/display/DisplayData.Path.html" title="class in org.apache.beam.sdk.transforms.display">DisplayData.Path</a> path, |
| java.lang.Class<?> namespace, |
| java.lang.String key)</pre> |
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