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| <div class="subTitle">org.apache.beam.sdk.io.gcp.bigtable.changestreams.dao</div> |
| <h2 title="Class BigtableChangeStreamAccessor" class="title">Class BigtableChangeStreamAccessor</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.beam.sdk.io.gcp.bigtable.changestreams.dao.BigtableChangeStreamAccessor</li> |
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| <pre><a href="../../../../../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a> |
| public class <span class="typeNameLabel">BigtableChangeStreamAccessor</span> |
| extends java.lang.Object |
| implements java.lang.AutoCloseable</pre> |
| <div class="block">This is probably a temporary solution to what is a bigger migration from |
| cloud-bigtable-client-core to java-bigtable. |
| |
| <p>This class creates and maintains the lifecycle java-bigtable clients to interact with Cloud |
| Bigtable. This class creates singletons of data and admin clients for each |
| project/instance/table/app profile. Per workers, there should only be 1 instance of the client |
| for each table/app profile. This ensures we're not creating many/excessive connections with the |
| backend and the jobs on the same machine shares the same sets of connections.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html#close--">close</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>com.google.cloud.bigtable.data.v2.BigtableDataClient</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html#getDataClient--">getDataClient</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>com.google.cloud.bigtable.admin.v2.BigtableInstanceAdminClient</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html#getInstanceAdminClient--">getInstanceAdminClient</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html" title="class in org.apache.beam.sdk.io.gcp.bigtable.changestreams.dao">BigtableChangeStreamAccessor</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html#getOrCreate-org.apache.beam.sdk.io.gcp.bigtable.BigtableConfig-">getOrCreate</a></span>(@NonNull <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/BigtableConfig.html" title="class in org.apache.beam.sdk.io.gcp.bigtable">BigtableConfig</a> bigtableConfig)</code> |
| <div class="block">Create a BigtableAccess if it doesn't exist and store it in the cache for faster access.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html#getTableAdminClient--">getTableAdminClient</a></span>()</code> </td> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| <h4>close</h4> |
| <pre>public void close()</pre> |
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| <a name="getOrCreate-org.apache.beam.sdk.io.gcp.bigtable.BigtableConfig-"> |
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| <h4>getOrCreate</h4> |
| <pre>public static <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/changestreams/dao/BigtableChangeStreamAccessor.html" title="class in org.apache.beam.sdk.io.gcp.bigtable.changestreams.dao">BigtableChangeStreamAccessor</a> getOrCreate(@NonNull <a href="../../../../../../../../../org/apache/beam/sdk/io/gcp/bigtable/BigtableConfig.html" title="class in org.apache.beam.sdk.io.gcp.bigtable">BigtableConfig</a> bigtableConfig) |
| throws java.io.IOException</pre> |
| <div class="block">Create a BigtableAccess if it doesn't exist and store it in the cache for faster access. If it |
| does exist, just return it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bigtableConfig</code> - config that contains all the parameters to connect to a Cloud Bigtable |
| instance</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>data and admin clients connected to the Cloud Bigtable instance</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.io.IOException</code> - if the connection fails</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDataClient--"> |
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| <h4>getDataClient</h4> |
| <pre>public com.google.cloud.bigtable.data.v2.BigtableDataClient getDataClient()</pre> |
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| <h4>getTableAdminClient</h4> |
| <pre>public com.google.cloud.bigtable.admin.v2.BigtableTableAdminClient getTableAdminClient()</pre> |
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| <h4>getInstanceAdminClient</h4> |
| <pre>public com.google.cloud.bigtable.admin.v2.BigtableInstanceAdminClient getInstanceAdminClient()</pre> |
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