2362N/A * Copyright (c) 1998, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * The mirror for a value in the target VM. 0N/A * This interface is the root of a 0N/A * value hierarchy encompassing primitive values and object values. 0N/A * Some examples of where values may be accessed: 0N/A * <BLOCKQUOTE><TABLE SUMMARY="layout"> 0N/A * <TD>{@link ObjectReference#getValue(com.sun.jdi.Field) 0N/A * ObjectReference.getValue(Field)} 0N/A * <TD>- value of a field 0N/A * <TD>{@link StackFrame#getValue(com.sun.jdi.LocalVariable) 0N/A * StackFrame.getValue(LocalVariable)} 0N/A * <TD>- value of a variable 0N/A * <TD>{@link VirtualMachine#mirrorOf(double) 0N/A * VirtualMachine.mirrorOf(double)} 0N/A * <TD>- created in the target VM by the JDI client 0N/A * <TD>{@link com.sun.jdi.event.ModificationWatchpointEvent#valueToBe() 0N/A * ModificationWatchpointEvent.valueToBe()} 0N/A * <TD>- returned with an event 0N/A * </TABLE></BLOCKQUOTE> 0N/A * The following table illustrates which subinterfaces of Value 0N/A * are used to mirror values in the target VM -- 0N/A * <TABLE BORDER=1 SUMMARY="Maps each kind of value to a mirrored 0N/A * instance of a subinterface of Value"> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="primval" colspan=4>Subinterfaces of {@link PrimitiveValue}</TH> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="kind" align="left">Kind of value</TH> 0N/A * <TH id="example" align="left">For example -<br>expression in target</TH> 0N/A * <TH id="mirrored" align="left">Is mirrored as an<br>instance of</TH> 0N/A * <TH id="type" align="left">{@link Type} of value<br>{@link #type() Value.type()}</TH> 0N/A * <TD headers="primval kind"> a boolean</TD> 0N/A * <TD headers="primval example"> <CODE>true</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link BooleanValue}</TD> 0N/A * <TD headers="primval type"> {@link BooleanType}</TD> 0N/A * <TD headers="primval kind"> a byte</TD> 0N/A * <TD headers="primval example"> <CODE>(byte)4</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link ByteValue}</TD> 0N/A * <TD headers="primval type"> {@link ByteType}</TD> 0N/A * <TD headers="primval kind"> a char</TD> 0N/A * <TD headers="primval example"> <CODE>'a'</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link CharValue}</TD> 0N/A * <TD headers="primval type"> {@link CharType}</TD> 0N/A * <TD headers="primval kind"> a double</TD> 0N/A * <TD headers="primval example"> <CODE>3.1415926</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link DoubleValue}</TD> 0N/A * <TD headers="primval type"> {@link DoubleType}</TD> 0N/A * <TD headers="primval kind"> a float</TD> 0N/A * <TD headers="primval example"> <CODE>2.5f</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link FloatValue}</TD> 0N/A * <TD headers="primval type"> {@link FloatType}</TD> 0N/A * <TD headers="primval kind"> an int</TD> 0N/A * <TD headers="primval example"> <CODE>22</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link IntegerValue}</TD> 0N/A * <TD headers="primval type"> {@link IntegerType}</TD> 0N/A * <TD headers="primval kind"> a long</TD> 0N/A * <TD headers="primval example"> <CODE>1024L</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link LongValue}</TD> 0N/A * <TD headers="primval type"> {@link LongType}</TD> 0N/A * <TD headers="primval kind"> a short</TD> 0N/A * <TD headers="primval example"> <CODE>(short)12</CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link ShortValue}</TD> 0N/A * <TD headers="primval type"> {@link ShortType}</TD> 0N/A * <TD headers="primval kind"> a void</TD> 0N/A * <TD headers="primval example"> <CODE> </CODE></TD> 0N/A * <TD headers="primval mirrored"> {@link VoidValue}</TD> 0N/A * <TD headers="primval type"> {@link VoidType}</TD> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="objref" colspan=4>Subinterfaces of {@link ObjectReference}</TH> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="kind2" align="left">Kind of value</TH> 0N/A * <TH id="example2" align="left">For example -<br>expression in target</TH> 0N/A * <TH id="mirrored2" align="left">Is mirrored as an<br>instance of</TH> 0N/A * <TH id="type2" align="left">{@link Type} of value<br>{@link #type() Value.type()}</TH> 0N/A * <TD headers="objref kind2"> a class instance</TD> 0N/A * <TD headers="objref example2"> <CODE>this</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ObjectReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TD headers="objref kind2"> an array</TD> 0N/A * <TD headers="objref example2"> <CODE>new int[5]</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ArrayReference}</TD> 0N/A * <TD headers="objref type2"> {@link ArrayType}</TD> 0N/A * <TD headers="objref kind2"> a string</TD> 0N/A * <TD headers="objref example2"> <CODE>"hello"</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link StringReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TD headers="objref kind2"> a thread</TD> 0N/A * <TD headers="objref example2"> <CODE>Thread.currentThread()</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ThreadReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TD headers="objref kind2"> a thread group</TD> 0N/A * <TD headers="objref example2"> <CODE>Thread.currentThread()<br> .getThreadGroup()</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ThreadGroupReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TD headers="objref kind2"> a <CODE>java.lang.Class</CODE><br>instance</TD> 0N/A * <TD headers="objref example2"> <CODE>this.getClass()</CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ClassObjectReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TD headers="objref kind2"> a class loader</TD> 0N/A * <TD headers="objref example2"> <CODE>this.getClass()<br> .getClassLoader() </CODE></TD> 0N/A * <TD headers="objref mirrored2"> {@link ClassLoaderReference}</TD> 0N/A * <TD headers="objref type2"> {@link ClassType}</TD> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="other" colspan=4>Other</TH> 0N/A * <TR BGCOLOR="#EEEEFF"> 0N/A * <TH id="kind3" align="left">Kind of value</TD> 0N/A * <TH id="example3" align="left">For example -<br>expression in target</TD> 0N/A * <TH id="mirrored3" align="left">Is mirrored as</TD> 0N/A * <TH id="type3" align="left">{@link Type} of value</TD> 0N/A * <TD headers="other kind3"> null</TD> 0N/A * <TD headers="other example3"> <CODE>null</CODE></TD> 0N/A * <TD headers="other mirrored3"> <CODE>null</CODE></TD> 0N/A * <TD headers="other type3"> n/a</TD> 0N/A * @author Robert Field 0N/A * @author Gordon Hirsch 0N/A * @author James McIlree 0N/A * Returns the run-time type of this value. 0N/A * @return a {@link Type} which mirrors the value's type in the