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<h2 title="Interface DefaultValueFactory" class="title">Interface DefaultValueFactory&lt;T&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The type of object this factory produces.</dd>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../org/apache/beam/sdk/io/aws/options/AwsOptions.AwsRegionFactory.html" title="class in org.apache.beam.sdk.io.aws.options">AwsOptions.AwsRegionFactory</a>, <a href="../../../../../org/apache/beam/sdk/io/aws2/options/AwsOptions.AwsRegionFactory.html" title="class in org.apache.beam.sdk.io.aws2.options">AwsOptions.AwsRegionFactory</a>, <a href="../../../../../org/apache/beam/sdk/io/aws/options/AwsOptions.AwsUserCredentialsFactory.html" title="class in org.apache.beam.sdk.io.aws.options">AwsOptions.AwsUserCredentialsFactory</a>, <a href="../../../../../org/apache/beam/sdk/io/aws2/options/AwsOptions.AwsUserCredentialsFactory.html" title="class in org.apache.beam.sdk.io.aws2.options">AwsOptions.AwsUserCredentialsFactory</a>, <a href="../../../../../org/apache/beam/sdk/io/aws/options/AwsOptions.ClientConfigurationFactory.html" title="class in org.apache.beam.sdk.io.aws.options">AwsOptions.ClientConfigurationFactory</a>, <a 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<pre>public interface <span class="typeNameLabel">DefaultValueFactory&lt;T&gt;</span></pre>
<div class="block">An interface used with the <a href="../../../../../org/apache/beam/sdk/options/Default.InstanceFactory.html" title="annotation in org.apache.beam.sdk.options"><code>Default.InstanceFactory</code></a> annotation to specify the class that
will be an instance factory to produce default values for a given getter on <a href="../../../../../org/apache/beam/sdk/options/PipelineOptions.html" title="interface in org.apache.beam.sdk.options"><code>PipelineOptions</code></a>. When a property on a <a href="../../../../../org/apache/beam/sdk/options/PipelineOptions.html" title="interface in org.apache.beam.sdk.options"><code>PipelineOptions</code></a> is fetched, and is currently
unset, the default value factory will be instantiated and invoked.
<p>Care must be taken to not produce an infinite loop when accessing other fields on the <a href="../../../../../org/apache/beam/sdk/options/PipelineOptions.html" title="interface in org.apache.beam.sdk.options"><code>PipelineOptions</code></a> object.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/options/DefaultValueFactory.html" title="type parameter in DefaultValueFactory">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/options/DefaultValueFactory.html#create-org.apache.beam.sdk.options.PipelineOptions-">create</a></span>(<a href="../../../../../org/apache/beam/sdk/options/PipelineOptions.html" title="interface in org.apache.beam.sdk.options">PipelineOptions</a>&nbsp;options)</code>
<div class="block">Creates a default value for a getter marked with <a href="../../../../../org/apache/beam/sdk/options/Default.InstanceFactory.html" title="annotation in org.apache.beam.sdk.options"><code>Default.InstanceFactory</code></a>.</div>
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<h4>create</h4>
<pre><a href="../../../../../org/apache/beam/sdk/options/DefaultValueFactory.html" title="type parameter in DefaultValueFactory">T</a>&nbsp;create(<a href="../../../../../org/apache/beam/sdk/options/PipelineOptions.html" title="interface in org.apache.beam.sdk.options">PipelineOptions</a>&nbsp;options)</pre>
<div class="block">Creates a default value for a getter marked with <a href="../../../../../org/apache/beam/sdk/options/Default.InstanceFactory.html" title="annotation in org.apache.beam.sdk.options"><code>Default.InstanceFactory</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>options</code> - The current pipeline options.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The default value to be used for the annotated getter.</dd>
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