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view agent/src/share/classes/sun/jvm/hotspot/jdi/PrimitiveValueImpl.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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/* * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.jdi; import com.sun.jdi.*; public abstract class PrimitiveValueImpl extends ValueImpl implements PrimitiveValue { PrimitiveValueImpl(VirtualMachine aVm) { super(aVm); } abstract public boolean booleanValue(); abstract public byte byteValue(); abstract public char charValue(); abstract public short shortValue(); abstract public int intValue(); abstract public long longValue(); abstract public float floatValue(); abstract public double doubleValue(); /* * The checked versions of the value accessors throw * InvalidTypeException if the required conversion is * narrowing and would result in the loss of information * (either magnitude or precision). * * Default implementations here do no checking; subclasses * override as necessary to do the proper checking. */ byte checkedByteValue() throws InvalidTypeException { return byteValue(); } char checkedCharValue() throws InvalidTypeException { return charValue(); } short checkedShortValue() throws InvalidTypeException { return shortValue(); } int checkedIntValue() throws InvalidTypeException { return intValue(); } long checkedLongValue() throws InvalidTypeException { return longValue(); } float checkedFloatValue() throws InvalidTypeException { return floatValue(); } final boolean checkedBooleanValue() throws InvalidTypeException { /* * Always disallow a conversion to boolean from any other * primitive */ if (this instanceof BooleanValue) { return booleanValue(); } else { throw new InvalidTypeException("Can't convert non-boolean value to boolean"); } } final double checkedDoubleValue() throws InvalidTypeException { /* * Can't overflow by converting to double, so this method * is never overridden */ return doubleValue(); } }