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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.beam.sdk.values</div> |
| <h2 title="Class TypeDescriptor" class="title">Class TypeDescriptor<T></h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.beam.sdk.values.TypeDescriptor<T></li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - the type represented by this <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a></dd> |
| </dl> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable</dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">TypeDescriptor<T></span> |
| extends java.lang.Object |
| implements java.io.Serializable</pre> |
| <div class="block">A description of a Java type, including actual generic parameters where possible. |
| |
| <p>To prevent losing actual type arguments due to erasure, create an anonymous subclass with |
| concrete types: |
| |
| <pre><code> |
| TypeDescriptor<List<String>> typeDescriptor = new TypeDescriptor<List<String>>() {}; |
| </code></pre> |
| |
| <p>If the above were not an anonymous subclass, the type <code>List<String></code> would be erased and |
| unavailable at run time.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.beam.sdk.values.TypeDescriptor">Serialized Form</a></dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colLast" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#TypeDescriptor--">TypeDescriptor</a></span>()</code> |
| <div class="block">Creates a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the type parameter <code>T</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#TypeDescriptor-java.lang.Class-">TypeDescriptor</a></span>(java.lang.Class<?> clazz)</code> |
| <div class="block">Creates a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the type parameter <code>T</code>, which should |
| resolve to a concrete type in the context of the class <code>clazz</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#TypeDescriptor-java.lang.Object-">TypeDescriptor</a></span>(java.lang.Object instance)</code> |
| <div class="block">Creates a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the type parameter <code>T</code>, which should |
| resolve to a concrete type in the context of the class <code>clazz</code>.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#equals-java.lang.Object-">equals</a></span>(<a href="https://static.javadoc.io/org.checkerframework/checker-qual/3.10.0/org/checkerframework/checker/nullness/qual/Nullable.html?is-external=true" title="class or interface in org.checkerframework.checker.nullness.qual">@Nullable</a> java.lang.Object other)</code> |
| <div class="block">Two type descriptor are equal if and only if they represent the same type.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>java.util.List<<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getArgumentTypes-java.lang.reflect.Method-">getArgumentTypes</a></span>(java.lang.reflect.Method method)</code> |
| <div class="block">Returns a list of argument types for the given method, which must be a part of the class.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>java.lang.Iterable<<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getClasses--">getClasses</a></span>()</code> |
| <div class="block">Returns a set of <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>s, one for each superclass (including this class).</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getComponentType--">getComponentType</a></span>()</code> |
| <div class="block">Returns the component type if this type is an array type, otherwise returns <code>null</code>.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>java.lang.Iterable<<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getInterfaces--">getInterfaces</a></span>()</code> |
| <div class="block">Returns a set of <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>s, one for each interface implemented by this class.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Class<? super <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getRawType--">getRawType</a></span>()</code> |
| <div class="block">Returns the <code>Class</code> underlying the <code>Type</code> represented by this <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><? super <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getSupertype-java.lang.Class-">getSupertype</a></span>(java.lang.Class<? super <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>> superclass)</code> |
| <div class="block">Returns the generic form of a supertype.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>java.lang.reflect.Type</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getType--">getType</a></span>()</code> |
| <div class="block">Returns the <code>Type</code> represented by this <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>java.lang.reflect.TypeVariable<java.lang.Class<? super <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getTypeParameter-java.lang.String-">getTypeParameter</a></span>(java.lang.String paramName)</code> |
| <div class="block">Returns a <code>TypeVariable</code> for the named type parameter.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Iterable<<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#getTypes--">getTypes</a></span>()</code> |
| <div class="block">Returns a set of <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>, one for each superclass as well as each |
| interface implemented by this class.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#hasUnresolvedParameters--">hasUnresolvedParameters</a></span>()</code> |
| <div class="block">Returns whether this <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> has any unresolved type parameters, as opposed to |
| being a concrete type.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#isArray--">isArray</a></span>()</code> |
| <div class="block">Returns true if this type is known to be an array type.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#isSubtypeOf-org.apache.beam.sdk.values.TypeDescriptor-">isSubtypeOf</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> parent)</code> |
| <div class="block">Return true if this type is a subtype of the given type.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#isSupertypeOf-org.apache.beam.sdk.values.TypeDescriptor-">isSupertypeOf</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?> source)</code> |
| <div class="block">Returns true if this type is assignable from the given type.</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><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#of-java.lang.Class-">of</a></span>(java.lang.Class<T> type)</code> |
| <div class="block">Returns a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the given type.</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><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#of-java.lang.reflect.Type-">of</a></span>(java.lang.reflect.Type type)</code> |
| <div class="block">Returns a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the given type.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#resolveType-java.lang.reflect.Type-">resolveType</a></span>(java.lang.reflect.Type type)</code> |
| <div class="block">Returns a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the given type, with type variables resolved |
| according to the specialization in this type.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><X> <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/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#where-org.apache.beam.sdk.values.TypeParameter-org.apache.beam.sdk.values.TypeDescriptor-">where</a></span>(<a href="../../../../../org/apache/beam/sdk/values/TypeParameter.html" title="class in org.apache.beam.sdk.values">TypeParameter</a><X> typeParameter, |
| <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values">TypeDescriptor</a><X> typeDescriptor)</code> |
| <div class="block">Returns a new <code>TypeDescriptor</code> where the type variable represented by <code>typeParameter</code> are substituted by <code>type</code>.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><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/TypeDescriptor.html" title="type parameter in TypeDescriptor">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#where-java.lang.reflect.Type-java.lang.reflect.Type-">where</a></span>(java.lang.reflect.Type formal, |
| java.lang.reflect.Type actual)</code> |
| <div class="block">A more general form of <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html#where-org.apache.beam.sdk.values.TypeParameter-org.apache.beam.sdk.values.TypeDescriptor-"><code>where(TypeParameter, TypeDescriptor)</code></a> that returns a new <code>TypeDescriptor</code> by matching <code>formal</code> against <code>actual</code> to resolve type variables in |
| the current <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a>.</div> |
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| <pre>protected TypeDescriptor()</pre> |
| <div class="block">Creates a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the type parameter <code>T</code>. To use this |
| constructor properly, the type parameter must be a concrete type, for example <code>new |
| TypeDescriptor<List<String>>(){}</code>.</div> |
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| <pre>protected TypeDescriptor(java.lang.Object instance)</pre> |
| <div class="block">Creates a <a href="../../../../../org/apache/beam/sdk/values/TypeDescriptor.html" title="class in org.apache.beam.sdk.values"><code>TypeDescriptor</code></a> representing the type parameter <code>T</code>, which should |
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