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| <h2 title="Class TypeDescriptors" class="title">Class TypeDescriptors</h2> |
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| <ul class="inheritance"> |
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| <pre>public class <span class="typeNameLabel">TypeDescriptors</span> |
| extends java.lang.Object</pre> |
| <div class="block">A utility class for creating <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> objects for different types, such as Java |
| primitive types, containers and <a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values"><code>KVs</code></a> of other <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> objects, and |
| extracting type variables of parameterized types (e.g. extracting the <code>OutputT</code> type |
| variable of a <code>DoFn<InputT, OutputT></code>).</div> |
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| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="interface in org.apache.beam.sdk.values">TypeDescriptors.TypeVariableExtractor</a><<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="type parameter in TypeDescriptors.TypeVariableExtractor">InputT</a>,<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="type parameter in TypeDescriptors.TypeVariableExtractor">OutputT</a>></span></code> |
| <div class="block">A helper interface for use with <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#extractFromTypeParameters-T-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"><code>extractFromTypeParameters(Object, Class, |
| TypeVariableExtractor)</code></a>.</div> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#TypeDescriptors--">TypeDescriptors</a></span>()</code> </td> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.math.BigDecimal></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#bigdecimals--">bigdecimals</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for BigDecimal.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.math.BigInteger></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#bigintegers--">bigintegers</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for BigInteger.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Boolean></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#booleans--">booleans</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Boolean.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Byte></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#bytes--">bytes</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Byte.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Character></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#characters--">characters</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Character.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Double></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#doubles--">doubles</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Double.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <T,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#extractFromTypeParameters-T-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-">extractFromTypeParameters</a></span>(T instance, |
| java.lang.Class<? super T> supertype, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="interface in org.apache.beam.sdk.values">TypeDescriptors.TypeVariableExtractor</a><T,V> extractor)</code> |
| <div class="block">Extracts a type from the actual type parameters of a parameterized class, subject to Java type |
| erasure.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <T,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#extractFromTypeParameters-org.apache.beam.sdk.values.TypeDescriptor-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-">extractFromTypeParameters</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> type, |
| java.lang.Class<? super T> supertype, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="interface in org.apache.beam.sdk.values">TypeDescriptors.TypeVariableExtractor</a><T,V> extractor)</code> |
| <div class="block">Like <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#extractFromTypeParameters-T-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"><code>extractFromTypeParameters(Object, Class, TypeVariableExtractor)</code></a>, but takes a |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> of the instance being analyzed rather than the instance itself.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Float></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#floats--">floats</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Float.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.Contextful.Fn-">inputOf</a></span>(<a href="../../../../../org/apache/beam/sdk/transforms/Contextful.Fn.html" title="interface in org.apache.beam.sdk.transforms">Contextful.Fn</a><InputT,OutputT> fn)</code> |
| <div class="block">Like <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>inputOf(ProcessFunction)</code></a> but for <code>Contextful.Fn</code>.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.ProcessFunction-">inputOf</a></span>(<a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms">ProcessFunction</a><InputT,OutputT> fn)</code> |
| <div class="block">Returns a type descriptor for the input of the given <a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms"><code>ProcessFunction</code></a>, subject to Java |
| type erasure: may contain unresolved type variables if the type was erased.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.SerializableFunction-">inputOf</a></span>(<a href="../../../../../org/apache/beam/sdk/transforms/SerializableFunction.html" title="interface in org.apache.beam.sdk.transforms">SerializableFunction</a><InputT,OutputT> fn)</code> |
| <div class="block">Binary compatibility adapter for <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>inputOf(ProcessFunction)</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Integer></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#integers--">integers</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Integer.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Iterable<T>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#iterables-org.apache.beam.sdk.values.TypeDescriptor-">iterables</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> iterable)</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Iterable</code>.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <K,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><K,V>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#kvs-org.apache.beam.sdk.values.TypeDescriptor-org.apache.beam.sdk.values.TypeDescriptor-">kvs</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><K> key, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> value)</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values"><code>KV</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.List<T>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#lists-org.apache.beam.sdk.values.TypeDescriptor-">lists</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> element)</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>List</code>.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#longs--">longs</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Long.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <K,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.Map<K,V>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#maps-org.apache.beam.sdk.values.TypeDescriptor-org.apache.beam.sdk.values.TypeDescriptor-">maps</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><K> keyType, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> valueType)</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Map</code>.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Void></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#nulls--">nulls</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for nulls/Void.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT></code></td> |
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| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT></code></td> |
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| <td class="colFirst"><code>static <InputT,OutputT><br><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT></code></td> |
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| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values">Row</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#rows--">rows</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <a href="../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values"><code>Row</code></a>.</div> |
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| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.Set<T>></code></td> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Set</code>.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Short></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#shorts--">shorts</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Short.</div> |
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| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.String></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#strings--">strings</a></span>()</code> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for String.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Void></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#voids--">voids</a></span>()</code> </td> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Boolean. This is the equivalent of: |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Double. This is the equivalent of: |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Float. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Float</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Integer. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Integer</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Long. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Long</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Short. This is the equivalent of: |
| |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Short</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for BigDecimal. This is the equivalent of: |
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| new TypeDescriptor<BigDecimal>() {}; |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for BigDecimal</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for BigInteger. This is the equivalent of: |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <a href="../../../../../org/apache/beam/sdk/values/Row.html" title="class in org.apache.beam.sdk.values"><code>Row</code></a>. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Row</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for String. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for String</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Character. This is the equivalent of: |
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| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Character</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Byte. This is the equivalent of: |
| |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for Byte</dd> |
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| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for nulls/Void. This is the equivalent of: |
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| <pre>public static <K,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><<a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values">KV</a><K,V>> kvs(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><K> key, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> value)</pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values"><code>KV</code></a>. This is the equivalent of: |
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| new TypeDescriptor<KV<K,V>>() {}; |
| </pre> |
| |
| <p>Example of use: |
| |
| <pre><code> |
| PCollection<String> words = ...; |
| PCollection<KV<String, String>> words = words.apply(FlatMapElements |
| .into(TypeDescriptors.kv(TypeDescriptors.strings(), TypeDescriptors.strings())) |
| .via(...)); |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the key</dd> |
| <dd><code>value</code> - The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <a href="../../../../../org/apache/beam/sdk/values/KV.html" title="class in org.apache.beam.sdk.values"><code>KV</code></a></dd> |
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| <pre>public static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.Set<T>> sets(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> element)</pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Set</code>. This is the equivalent of: |
| |
| <pre> |
| new TypeDescriptor<Set<E>>() {}; |
| </pre> |
| |
| <p>Example of use: |
| |
| <pre><code> |
| PCollection<String> words = ...; |
| PCollection<Set<String>> words = words.apply(FlatMapElements |
| .into(TypeDescriptors.sets(TypeDescriptors.strings())) |
| .via(...)); |
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| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>element</code> - The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the set</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Set</code></dd> |
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| <pre>public static <K,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.Map<K,V>> maps(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><K> keyType, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> valueType)</pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Map</code>.</div> |
| </li> |
| </ul> |
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| <h4>lists</h4> |
| <pre>public static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.util.List<T>> lists(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> element)</pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>List</code>. This is the equivalent of: |
| |
| <pre> |
| new TypeDescriptor<List<E>>() {}; |
| </pre> |
| |
| <p>Example of use: |
| |
| <pre><code> |
| PCollection<String> words = ...; |
| PCollection<List<String>> words = words.apply(FlatMapElements |
| .into(TypeDescriptors.lists(TypeDescriptors.strings())) |
| .via(...)); |
| </code></pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>element</code> - The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the list</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>List</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="iterables-org.apache.beam.sdk.values.TypeDescriptor-"> |
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| </a> |
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| <h4>iterables</h4> |
| <pre>public static <T> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Iterable<T>> iterables(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> iterable)</pre> |
| <div class="block">The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Iterable</code>. This is the equivalent of: |
| |
| <pre> |
| new TypeDescriptor<Iterable<E>>() {}; |
| </pre> |
| |
| <p>Example of use: |
| |
| <pre><code> |
| PCollection<String> words = ...; |
| PCollection<Iterable<String>> words = words.apply(FlatMapElements |
| .into(TypeDescriptors.iterables(TypeDescriptors.strings())) |
| .via(...)); |
| </code></pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>iterable</code> - The <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the iterable</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for <code>Iterable</code></dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>voids</h4> |
| <pre>public static <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><java.lang.Void> voids()</pre> |
| </li> |
| </ul> |
| <a name="extractFromTypeParameters-java.lang.Object-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"> |
| <!-- --> |
| </a><a name="extractFromTypeParameters-T-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"> |
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| <h4>extractFromTypeParameters</h4> |
| <pre>public static <T,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> extractFromTypeParameters(T instance, |
| java.lang.Class<? super T> supertype, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="interface in org.apache.beam.sdk.values">TypeDescriptors.TypeVariableExtractor</a><T,V> extractor)</pre> |
| <div class="block">Extracts a type from the actual type parameters of a parameterized class, subject to Java type |
| erasure. The type to extract is specified in a way that is safe w.r.t. changing the type |
| signature of the parameterized class, as opposed to specifying the name or index of a type |
| variable. |
| |
| <p>Example of use: |
| |
| <pre><code> |
| class Foo<BarT> { |
| private ProcessFunction<BarT, String> fn; |
| |
| TypeDescriptor<BarT> inferBarTypeDescriptorFromFn() { |
| return TypeDescriptors.extractFromTypeParameters( |
| fn, |
| ProcessFunction.class, |
| // The actual type of "fn" is matched against the input type of the extractor, |
| // and the obtained values of type variables of the superclass are substituted |
| // into the output type of the extractor. |
| new TypeVariableExtractor<ProcessFunction<BarT, String>, BarT>() {}); |
| } |
| } |
| </code></pre></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>instance</code> - The object being analyzed</dd> |
| <dd><code>supertype</code> - Parameterized superclass of interest</dd> |
| <dd><code>extractor</code> - A class for specifying the type to extract from the supertype</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> for the actual value of the result type of the extractor, |
| potentially containing unresolved type variables if the type was erased.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="extractFromTypeParameters-org.apache.beam.sdk.values.TypeDescriptor-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"> |
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| <h4>extractFromTypeParameters</h4> |
| <pre>public static <T,V> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><V> extractFromTypeParameters(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><T> type, |
| java.lang.Class<? super T> supertype, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.TypeVariableExtractor.html" title="interface in org.apache.beam.sdk.values">TypeDescriptors.TypeVariableExtractor</a><T,V> extractor)</pre> |
| <div class="block">Like <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#extractFromTypeParameters-T-java.lang.Class-org.apache.beam.sdk.values.TypeDescriptors.TypeVariableExtractor-"><code>extractFromTypeParameters(Object, Class, TypeVariableExtractor)</code></a>, but takes a |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> of the instance being analyzed rather than the instance itself.</div> |
| </li> |
| </ul> |
| <a name="inputOf-org.apache.beam.sdk.transforms.ProcessFunction-"> |
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| </a> |
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| <h4>inputOf</h4> |
| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT> inputOf(<a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms">ProcessFunction</a><InputT,OutputT> fn)</pre> |
| <div class="block">Returns a type descriptor for the input of the given <a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms"><code>ProcessFunction</code></a>, subject to Java |
| type erasure: may contain unresolved type variables if the type was erased.</div> |
| </li> |
| </ul> |
| <a name="inputOf-org.apache.beam.sdk.transforms.SerializableFunction-"> |
| <!-- --> |
| </a> |
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| <h4>inputOf</h4> |
| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT> inputOf(<a href="../../../../../org/apache/beam/sdk/transforms/SerializableFunction.html" title="interface in org.apache.beam.sdk.transforms">SerializableFunction</a><InputT,OutputT> fn)</pre> |
| <div class="block">Binary compatibility adapter for <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>inputOf(ProcessFunction)</code></a>.</div> |
| </li> |
| </ul> |
| <a name="outputOf-org.apache.beam.sdk.transforms.ProcessFunction-"> |
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| </a> |
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| <h4>outputOf</h4> |
| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT> outputOf(<a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms">ProcessFunction</a><InputT,OutputT> fn)</pre> |
| <div class="block">Returns a type descriptor for the output of the given <a href="../../../../../org/apache/beam/sdk/transforms/ProcessFunction.html" title="interface in org.apache.beam.sdk.transforms"><code>ProcessFunction</code></a>, subject to Java |
| type erasure: may contain unresolved type variables if the type was erased.</div> |
| </li> |
| </ul> |
| <a name="outputOf-org.apache.beam.sdk.transforms.SerializableFunction-"> |
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| <h4>outputOf</h4> |
| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT> outputOf(<a href="../../../../../org/apache/beam/sdk/transforms/SerializableFunction.html" title="interface in org.apache.beam.sdk.transforms">SerializableFunction</a><InputT,OutputT> fn)</pre> |
| <div class="block">Binary compatibility adapter for <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#outputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>outputOf(ProcessFunction)</code></a>.</div> |
| </li> |
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| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><InputT> inputOf(<a href="../../../../../org/apache/beam/sdk/transforms/Contextful.Fn.html" title="interface in org.apache.beam.sdk.transforms">Contextful.Fn</a><InputT,OutputT> fn)</pre> |
| <div class="block">Like <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#inputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>inputOf(ProcessFunction)</code></a> but for <code>Contextful.Fn</code>.</div> |
| </li> |
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| <pre>public static <InputT,OutputT> <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><OutputT> outputOf(<a href="../../../../../org/apache/beam/sdk/transforms/Contextful.Fn.html" title="interface in org.apache.beam.sdk.transforms">Contextful.Fn</a><InputT,OutputT> fn)</pre> |
| <div class="block">Like <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptors.html#outputOf-org.apache.beam.sdk.transforms.ProcessFunction-"><code>outputOf(ProcessFunction)</code></a> but for <code>Contextful.Fn</code>.</div> |
| </li> |
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