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<div class="subTitle">org.apache.beam.sdk.schemas.utils</div>
<h2 title="Class SchemaZipFold" class="title">Class SchemaZipFold&lt;T&gt;</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>org.apache.beam.sdk.schemas.utils.SchemaZipFold&lt;T&gt;</li>
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<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable</dd>
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<pre><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 abstract class <span class="typeNameLabel">SchemaZipFold&lt;T&gt;</span>
extends java.lang.Object
implements java.io.Serializable</pre>
<div class="block">Visitor that zips schemas, and accepts pairs of fields and their types.
<p>Values returned by `accept` are accumulated.</div>
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<dd><a href="../../../../../../serialized-form.html#org.apache.beam.sdk.schemas.utils.SchemaZipFold">Serialized Form</a></dd>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.Context.html" title="class in org.apache.beam.sdk.schemas.utils">SchemaZipFold.Context</a></span></code>
<div class="block">Context referring to a current position in a schema.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html#SchemaZipFold--">SchemaZipFold</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html#accept-org.apache.beam.sdk.schemas.utils.SchemaZipFold.Context-java.util.Optional-java.util.Optional-">accept</a></span>(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.Context.html" title="class in org.apache.beam.sdk.schemas.utils">SchemaZipFold.Context</a>&nbsp;context,
java.util.Optional&lt;<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.Field.html" title="class in org.apache.beam.sdk.schemas">Schema.Field</a>&gt;&nbsp;left,
java.util.Optional&lt;<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.Field.html" title="class in org.apache.beam.sdk.schemas">Schema.Field</a>&gt;&nbsp;right)</code>
<div class="block">Accepts two fields, context.parent() is always ROW.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html#accept-org.apache.beam.sdk.schemas.utils.SchemaZipFold.Context-org.apache.beam.sdk.schemas.Schema.FieldType-org.apache.beam.sdk.schemas.Schema.FieldType-">accept</a></span>(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.Context.html" title="class in org.apache.beam.sdk.schemas.utils">SchemaZipFold.Context</a>&nbsp;context,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.FieldType.html" title="class in org.apache.beam.sdk.schemas">Schema.FieldType</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.FieldType.html" title="class in org.apache.beam.sdk.schemas">Schema.FieldType</a>&nbsp;right)</code>
<div class="block">Accepts two components, context.parent() is always ROW, MAP, ARRAY or absent.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html#accumulate-T-T-">accumulate</a></span>(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;right)</code>
<div class="block">Accumulate two results together.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html#apply-org.apache.beam.sdk.schemas.Schema-org.apache.beam.sdk.schemas.Schema-">apply</a></span>(<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;right)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>SchemaZipFold</h4>
<pre>public&nbsp;SchemaZipFold()</pre>
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<h4>apply</h4>
<pre>public final&nbsp;<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;apply(<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.html" title="class in org.apache.beam.sdk.schemas">Schema</a>&nbsp;right)</pre>
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<h4>accumulate</h4>
<pre>public abstract&nbsp;<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;accumulate(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;right)</pre>
<div class="block">Accumulate two results together.</div>
</li>
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<a name="accept-org.apache.beam.sdk.schemas.utils.SchemaZipFold.Context-org.apache.beam.sdk.schemas.Schema.FieldType-org.apache.beam.sdk.schemas.Schema.FieldType-">
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<h4>accept</h4>
<pre>public abstract&nbsp;<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;accept(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.Context.html" title="class in org.apache.beam.sdk.schemas.utils">SchemaZipFold.Context</a>&nbsp;context,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.FieldType.html" title="class in org.apache.beam.sdk.schemas">Schema.FieldType</a>&nbsp;left,
<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.FieldType.html" title="class in org.apache.beam.sdk.schemas">Schema.FieldType</a>&nbsp;right)</pre>
<div class="block">Accepts two components, context.parent() is always ROW, MAP, ARRAY or absent.</div>
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<h4>accept</h4>
<pre>public abstract&nbsp;<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.html" title="type parameter in SchemaZipFold">T</a>&nbsp;accept(<a href="../../../../../../org/apache/beam/sdk/schemas/utils/SchemaZipFold.Context.html" title="class in org.apache.beam.sdk.schemas.utils">SchemaZipFold.Context</a>&nbsp;context,
java.util.Optional&lt;<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.Field.html" title="class in org.apache.beam.sdk.schemas">Schema.Field</a>&gt;&nbsp;left,
java.util.Optional&lt;<a href="../../../../../../org/apache/beam/sdk/schemas/Schema.Field.html" title="class in org.apache.beam.sdk.schemas">Schema.Field</a>&gt;&nbsp;right)</pre>
<div class="block">Accepts two fields, context.parent() is always ROW.</div>
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