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<div class="subTitle">org.apache.beam.sdk.schemas.transforms</div>
<h2 title="Interface SchemaTransformProvider" class="title">Interface SchemaTransformProvider</h2>
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<dd><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/TypedSchemaTransformProvider.html" title="class in org.apache.beam.sdk.schemas.transforms">TypedSchemaTransformProvider</a></dd>
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<pre><a href="../../../../../../org/apache/beam/sdk/annotations/Internal.html" title="annotation in org.apache.beam.sdk.annotations">@Internal</a>
<a href="../../../../../../org/apache/beam/sdk/annotations/Experimental.html" title="annotation in org.apache.beam.sdk.annotations">@Experimental</a>(<a href="../../../../../../org/apache/beam/sdk/annotations/Experimental.html#value--">value</a>=<a href="../../../../../../org/apache/beam/sdk/annotations/Experimental.Kind.html#SCHEMAS">SCHEMAS</a>)
public interface <span class="typeNameLabel">SchemaTransformProvider</span></pre>
<div class="block">Provider to create <a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransform.html" title="interface in org.apache.beam.sdk.schemas.transforms"><code>SchemaTransform</code></a> instances for use in Beam SQL and other SDKs.
<p><b>Internal only:</b> This interface is actively being worked on and it will likely change as
we provide implementations for more standard Beam transforms. We provide no backwards
compatibility guarantees and it should not be implemented outside of the Beam repository.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#configurationSchema--">configurationSchema</a></span>()</code>
<div class="block">Returns the expected schema of the configuration object.</div>
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<td class="colFirst"><code>default java.util.Optional&lt;java.util.List&lt;java.lang.String&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#dependencies-org.apache.beam.sdk.values.Row-org.apache.beam.sdk.options.PipelineOptions-">dependencies</a></span>(<a href="../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;configuration,
<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">List the dependencies needed for this transform.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransform.html" title="interface in org.apache.beam.sdk.schemas.transforms">SchemaTransform</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#from-org.apache.beam.sdk.values.Row-">from</a></span>(<a href="../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;configuration)</code>
<div class="block">Produce a SchemaTransform some transform-specific configuration object.</div>
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<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#identifier--">identifier</a></span>()</code>
<div class="block">Returns an id that uniquely represents this transform.</div>
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<td class="colFirst"><code>java.util.List&lt;java.lang.String&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#inputCollectionNames--">inputCollectionNames</a></span>()</code>
<div class="block">Returns the input collection names of this transform.</div>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>java.util.List&lt;java.lang.String&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransformProvider.html#outputCollectionNames--">outputCollectionNames</a></span>()</code>
<div class="block">Returns the output collection names of this transform.</div>
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<h4>identifier</h4>
<pre>java.lang.String&nbsp;identifier()</pre>
<div class="block">Returns an id that uniquely represents this transform.</div>
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<h4>configurationSchema</h4>
<pre><a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;configurationSchema()</pre>
<div class="block">Returns the expected schema of the configuration object. Note this is distinct from the schema
of the transform itself.</div>
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<h4>from</h4>
<pre><a href="../../../../../../org/apache/beam/sdk/schemas/transforms/SchemaTransform.html" title="interface in org.apache.beam.sdk.schemas.transforms">SchemaTransform</a>&nbsp;from(<a href="../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;configuration)</pre>
<div class="block">Produce a SchemaTransform some transform-specific configuration object. Can throw a <code>InvalidConfigurationException</code> or a <code>InvalidSchemaException</code>.</div>
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<h4>inputCollectionNames</h4>
<pre>java.util.List&lt;java.lang.String&gt;&nbsp;inputCollectionNames()</pre>
<div class="block">Returns the input collection names of this transform.</div>
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<h4>outputCollectionNames</h4>
<pre>java.util.List&lt;java.lang.String&gt;&nbsp;outputCollectionNames()</pre>
<div class="block">Returns the output collection names of this transform.</div>
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<h4>dependencies</h4>
<pre>default&nbsp;java.util.Optional&lt;java.util.List&lt;java.lang.String&gt;&gt;&nbsp;dependencies(<a href="../../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>&nbsp;configuration,
<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">List the dependencies needed for this transform. Jars from classpath are used by default when
Optional.empty() is returned.</div>
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