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<div class="subTitle">org.apache.beam.runners.dataflow</div>
<h2 title="Class DataflowRunnerHooks" class="title">Class DataflowRunnerHooks</h2>
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<pre><a href="../../../../../org/apache/beam/sdk/annotations/Experimental.html" title="annotation in org.apache.beam.sdk.annotations">@Experimental</a>
public class <span class="typeNameLabel">DataflowRunnerHooks</span>
extends java.lang.Object</pre>
<div class="block">An instance of this class can be passed to the <a href="../../../../../org/apache/beam/runners/dataflow/DataflowRunner.html" title="class in org.apache.beam.runners.dataflow"><code>DataflowRunner</code></a> to add user defined hooks
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/runners/dataflow/DataflowRunnerHooks.html#modifyEnvironmentBeforeSubmission-com.google.api.services.dataflow.model.Environment-">modifyEnvironmentBeforeSubmission</a></span>(<a href="https://static.javadoc.io/com.google.apis/google-api-services-dataflow/v1b3-rev20210818-1.32.1/com/google/api/services/dataflow/model/Environment.html?is-external=true" title="class or interface in com.google.api.services.dataflow.model">Environment</a>&nbsp;environment)</code>
<div class="block">Allows the user to modify the environment of their job before their job is submitted to the
service for execution.</div>
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<h4>DataflowRunnerHooks</h4>
<pre>public&nbsp;DataflowRunnerHooks()</pre>
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<h4>modifyEnvironmentBeforeSubmission</h4>
<pre>public&nbsp;void&nbsp;modifyEnvironmentBeforeSubmission(<a href="https://static.javadoc.io/com.google.apis/google-api-services-dataflow/v1b3-rev20210818-1.32.1/com/google/api/services/dataflow/model/Environment.html?is-external=true" title="class or interface in com.google.api.services.dataflow.model">Environment</a>&nbsp;environment)</pre>
<div class="block">Allows the user to modify the environment of their job before their job is submitted to the
service for execution.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>environment</code> - The environment of the job. Users can make change to this instance in order
to change the environment with which their job executes on the service.</dd>
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