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| <div class="subTitle">org.apache.calcite.util</div> |
| <h2 title="Class ReflectUtil" class="title">Class ReflectUtil</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.calcite.util.ReflectUtil</li> |
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| <pre>public abstract class <span class="typeNameLabel">ReflectUtil</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Static utilities for Java reflection.</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/calcite/util/ReflectUtil.MethodDispatcher.html" title="interface in org.apache.calcite.util">ReflectUtil.MethodDispatcher</a><<a href="../../../../org/apache/calcite/util/ReflectUtil.MethodDispatcher.html" title="type parameter in ReflectUtil.MethodDispatcher">T</a>></span></code> |
| <div class="block">Can invoke a method on an object of type E with return type T.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Field Summary</h3> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#primitiveToBoxingMap">primitiveToBoxingMap</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#primitiveToByteBufferReadMethod">primitiveToByteBufferReadMethod</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#primitiveToByteBufferWriteMethod">primitiveToByteBufferWriteMethod</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#ReflectUtil--">ReflectUtil</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 <R extends <a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a>,E><br><a href="../../../../org/apache/calcite/util/ReflectiveVisitDispatcher.html" title="interface in org.apache.calcite.util">ReflectiveVisitDispatcher</a><R,E></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#createDispatcher-java.lang.Class-java.lang.Class-">createDispatcher</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><R> visitorBaseClazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><E> visiteeBaseClazz)</code> |
| <div class="block">Creates a dispatcher for calls to <a href="../../../../org/apache/calcite/util/ReflectUtil.html#lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-"><code>lookupVisitMethod(java.lang.Class<?>, java.lang.Class<?>, java.lang.String)</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <E,T> <a href="../../../../org/apache/calcite/util/ReflectUtil.MethodDispatcher.html" title="interface in org.apache.calcite.util">ReflectUtil.MethodDispatcher</a><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#createMethodDispatcher-java.lang.Class-org.apache.calcite.util.ReflectiveVisitor-java.lang.String-java.lang.Class-java.lang.Class...-">createMethodDispatcher</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> returnClazz, |
| <a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><E> arg0Clazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>... otherArgClasses)</code> |
| <div class="block">Creates a dispatcher for calls to a single multi-method on a particular |
| object.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getBoxingClass-java.lang.Class-">getBoxingClass</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> primitiveClass)</code> |
| <div class="block">Gets the Java boxing class for a primitive class.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getByteBufferReadMethod-java.lang.Class-">getByteBufferReadMethod</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> clazz)</code> |
| <div class="block">Uses reflection to find the correct java.nio.ByteBuffer "absolute get" |
| method for a given primitive type.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getByteBufferWriteMethod-java.lang.Class-">getByteBufferWriteMethod</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> clazz)</code> |
| <div class="block">Uses reflection to find the correct java.nio.ByteBuffer "absolute put" |
| method for a given primitive type.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getParameterName-java.lang.reflect.Method-int-">getParameterName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method, |
| int i)</code> |
| <div class="block">Derives the name of the <code>i</code>th parameter of a method.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getUnmangledMethodName-java.lang.Class-java.lang.String-java.lang.Class:A-">getUnmangledMethodName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> declaringClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>[] paramTypes)</code> |
| <div class="block">Composes a string representing a human-readable method name (with neither |
| exception nor return type information).</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getUnmangledMethodName-java.lang.reflect.Method-">getUnmangledMethodName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method)</code> |
| <div class="block">Composes a string representing a human-readable method name (with neither |
| exception nor return type information).</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#getUnqualifiedClassName-java.lang.Class-">getUnqualifiedClassName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> c)</code> |
| <div class="block">Gets the name of a class with no package qualifiers; if it's an inner |
| class, it will still be qualified by the containing class (X$Y).</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#invokeVisitor-org.apache.calcite.util.ReflectiveVisitor-java.lang.Object-java.lang.Class-java.lang.String-">invokeVisitor</a></span>(<a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitee, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> hierarchyRoot, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</code> |
| <div class="block">Implements the <a href="../../../../org/apache/calcite/util/Glossary.html#VISITOR_PATTERN"><code>Glossary.VISITOR_PATTERN</code></a> via |
| reflection.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>private static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#invokeVisitorInternal-java.lang.Object-java.lang.Object-java.lang.Class-java.lang.String-">invokeVisitorInternal</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitee, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> hierarchyRoot, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</code> |
| <div class="block">Shared implementation of the two forms of invokeVisitor.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#isParameterOptional-java.lang.reflect.Method-int-">isParameterOptional</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method, |
| int i)</code> |
| <div class="block">Derives whether the <code>i</code>th parameter of a method is optional.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-">lookupVisitMethod</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</code> |
| <div class="block">Looks up a visit method.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-java.lang.Class:A-java.util.Map-">lookupVisitMethod</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?>[] paramTypes, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>> cache)</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/util/ReflectUtil.html#lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-java.util.List-">lookupVisitMethod</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>> additionalParameterTypes)</code> |
| <div class="block">Looks up a visit method taking additional parameters beyond the |
| overloaded visitee type.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
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| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
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| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>> primitiveToBoxingMap</pre> |
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| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>> primitiveToByteBufferReadMethod</pre> |
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| <h4>primitiveToByteBufferWriteMethod</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>> primitiveToByteBufferWriteMethod</pre> |
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| <h4>ReflectUtil</h4> |
| <pre>public ReflectUtil()</pre> |
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| <h4>getByteBufferReadMethod</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> getByteBufferReadMethod(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> clazz)</pre> |
| <div class="block">Uses reflection to find the correct java.nio.ByteBuffer "absolute get" |
| method for a given primitive type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - the Class object representing the primitive type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>corresponding method</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getByteBufferWriteMethod</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> getByteBufferWriteMethod(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> clazz)</pre> |
| <div class="block">Uses reflection to find the correct java.nio.ByteBuffer "absolute put" |
| method for a given primitive type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - the Class object representing the primitive type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>corresponding method</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getBoxingClass-java.lang.Class-"> |
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| <h4>getBoxingClass</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> getBoxingClass(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> primitiveClass)</pre> |
| <div class="block">Gets the Java boxing class for a primitive class.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>primitiveClass</code> - representative class for primitive (e.g. |
| java.lang.Integer.TYPE)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>corresponding boxing Class (e.g. java.lang.Integer)</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getUnqualifiedClassName-java.lang.Class-"> |
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| <h4>getUnqualifiedClassName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getUnqualifiedClassName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> c)</pre> |
| <div class="block">Gets the name of a class with no package qualifiers; if it's an inner |
| class, it will still be qualified by the containing class (X$Y).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the class of interest</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the unqualified name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getUnmangledMethodName-java.lang.Class-java.lang.String-java.lang.Class:A-"> |
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| <h4>getUnmangledMethodName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getUnmangledMethodName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> declaringClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>[] paramTypes)</pre> |
| <div class="block">Composes a string representing a human-readable method name (with neither |
| exception nor return type information).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>declaringClass</code> - class on which method is defined</dd> |
| <dd><code>methodName</code> - simple name of method without signature</dd> |
| <dd><code>paramTypes</code> - method parameter types</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>unmangled method name</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getUnmangledMethodName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getUnmangledMethodName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method)</pre> |
| <div class="block">Composes a string representing a human-readable method name (with neither |
| exception nor return type information).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>method</code> - method whose name is to be generated</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>unmangled method name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="invokeVisitor-org.apache.calcite.util.ReflectiveVisitor-java.lang.Object-java.lang.Class-java.lang.String-"> |
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| <h4>invokeVisitor</h4> |
| <pre>public static boolean invokeVisitor(<a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitee, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> hierarchyRoot, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</pre> |
| <div class="block">Implements the <a href="../../../../org/apache/calcite/util/Glossary.html#VISITOR_PATTERN"><code>Glossary.VISITOR_PATTERN</code></a> via |
| reflection. The basic technique is taken from <a |
| href="http://www.javaworld.com/javaworld/javatips/jw-javatip98.html">a |
| Javaworld article</a>. For an example of how to use it, see |
| <code>ReflectVisitorTest</code>. |
| |
| <p>Visit method lookup follows the same rules as if |
| compile-time resolution for VisitorClass.visit(VisiteeClass) were |
| performed. An ambiguous match due to multiple interface inheritance |
| results in an IllegalArgumentException. A non-match is indicated by |
| returning false.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>visitor</code> - object whose visit method is to be invoked</dd> |
| <dd><code>visitee</code> - object to be passed as a parameter to the visit |
| method</dd> |
| <dd><code>hierarchyRoot</code> - if non-null, visitor method will only be invoked if |
| it takes a parameter whose type is a subtype of |
| hierarchyRoot</dd> |
| <dd><code>visitMethodName</code> - name of visit method, e.g. "visit"</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if a matching visit method was found and invoked</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="invokeVisitorInternal-java.lang.Object-java.lang.Object-java.lang.Class-java.lang.String-"> |
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| <h4>invokeVisitorInternal</h4> |
| <pre>private static boolean invokeVisitorInternal(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> visitee, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> hierarchyRoot, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</pre> |
| <div class="block">Shared implementation of the two forms of invokeVisitor.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>visitor</code> - object whose visit method is to be invoked</dd> |
| <dd><code>visitee</code> - object to be passed as a parameter to the visit |
| method</dd> |
| <dd><code>hierarchyRoot</code> - if non-null, visitor method will only be invoked if |
| it takes a parameter whose type is a subtype of |
| hierarchyRoot</dd> |
| <dd><code>visitMethodName</code> - name of visit method, e.g. "visit"</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if a matching visit method was found and invoked</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-"> |
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| <h4>lookupVisitMethod</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> lookupVisitMethod(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName)</pre> |
| <div class="block">Looks up a visit method.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>visitorClass</code> - class of object whose visit method is to be invoked</dd> |
| <dd><code>visiteeClass</code> - class of object to be passed as a parameter to the |
| visit method</dd> |
| <dd><code>visitMethodName</code> - name of visit method</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>method found, or null if none found</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-java.util.List-"> |
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| <h4>lookupVisitMethod</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> lookupVisitMethod(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>> additionalParameterTypes)</pre> |
| <div class="block">Looks up a visit method taking additional parameters beyond the |
| overloaded visitee type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>visitorClass</code> - class of object whose visit method is to be |
| invoked</dd> |
| <dd><code>visiteeClass</code> - class of object to be passed as a parameter |
| to the visit method</dd> |
| <dd><code>visitMethodName</code> - name of visit method</dd> |
| <dd><code>additionalParameterTypes</code> - list of additional parameter types</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>method found, or null if none found</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/calcite/util/ReflectUtil.html#createDispatcher-java.lang.Class-java.lang.Class-"><code>createDispatcher(Class, Class)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-java.lang.Class:A-java.util.Map-"> |
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| <h4>lookupVisitMethod</h4> |
| <pre>private static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> lookupVisitMethod(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visitorClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?> visiteeClass, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> visitMethodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?>[] paramTypes, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><?>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a>> cache)</pre> |
| </li> |
| </ul> |
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| <h4>createDispatcher</h4> |
| <pre>public static <R extends <a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a>,E> <a href="../../../../org/apache/calcite/util/ReflectiveVisitDispatcher.html" title="interface in org.apache.calcite.util">ReflectiveVisitDispatcher</a><R,E> createDispatcher(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><R> visitorBaseClazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><E> visiteeBaseClazz)</pre> |
| <div class="block">Creates a dispatcher for calls to <a href="../../../../org/apache/calcite/util/ReflectUtil.html#lookupVisitMethod-java.lang.Class-java.lang.Class-java.lang.String-"><code>lookupVisitMethod(java.lang.Class<?>, java.lang.Class<?>, java.lang.String)</code></a>. The |
| dispatcher caches methods between invocations.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>visitorBaseClazz</code> - Visitor base class</dd> |
| <dd><code>visiteeBaseClazz</code> - Visitee base class</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>cache of methods</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createMethodDispatcher-java.lang.Class-org.apache.calcite.util.ReflectiveVisitor-java.lang.String-java.lang.Class-java.lang.Class...-"> |
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| <h4>createMethodDispatcher</h4> |
| <pre>public static <E,T> <a href="../../../../org/apache/calcite/util/ReflectUtil.MethodDispatcher.html" title="interface in org.apache.calcite.util">ReflectUtil.MethodDispatcher</a><T> createMethodDispatcher(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><T> returnClazz, |
| <a href="../../../../org/apache/calcite/util/ReflectiveVisitor.html" title="interface in org.apache.calcite.util">ReflectiveVisitor</a> visitor, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><E> arg0Clazz, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>... otherArgClasses)</pre> |
| <div class="block">Creates a dispatcher for calls to a single multi-method on a particular |
| object. |
| |
| <p>Calls to that multi-method are resolved by looking for a method on |
| the runtime type of that object, with the required name, and with |
| the correct type or a subclass for the first argument, and precisely the |
| same types for other arguments. |
| |
| <p>For instance, a dispatcher created for the method |
| |
| <blockquote>String foo(Vehicle, int, List)</blockquote> |
| |
| <p>could be used to call the methods |
| |
| <blockquote>String foo(Car, int, List)<br> |
| String foo(Bus, int, List)</blockquote> |
| |
| <p>(because Car and Bus are subclasses of Vehicle, and they occur in the |
| polymorphic first argument) but not the method |
| |
| <blockquote>String foo(Car, int, ArrayList)</blockquote> |
| |
| <p>(only the first argument is polymorphic). |
| |
| <p>You must create an implementation of the method for the base class. |
| Otherwise throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang"><code>IllegalArgumentException</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>returnClazz</code> - Return type of method</dd> |
| <dd><code>visitor</code> - Object on which to invoke the method</dd> |
| <dd><code>methodName</code> - Name of method</dd> |
| <dd><code>arg0Clazz</code> - Base type of argument zero</dd> |
| <dd><code>otherArgClasses</code> - Types of remaining arguments</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getParameterName-java.lang.reflect.Method-int-"> |
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| <h4>getParameterName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getParameterName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method, |
| int i)</pre> |
| <div class="block">Derives the name of the <code>i</code>th parameter of a method.</div> |
| </li> |
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| <a name="isParameterOptional-java.lang.reflect.Method-int-"> |
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| <h4>isParameterOptional</h4> |
| <pre>public static boolean isParameterOptional(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect">Method</a> method, |
| int i)</pre> |
| <div class="block">Derives whether the <code>i</code>th parameter of a method is optional.</div> |
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