blob: 960148810072b5d374a2a169a787a56797ed21c4 [file] [log] [blame]
/*
* Copyright (c) 1998, 2013, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.jdi;
/**
* The value assigned to a field or variable of primitive type in a
* target VM. Each primitive values is accessed through a subinterface
* of this interface.
*
* @author Robert Field
* @author Gordon Hirsch
* @author James McIlree
* @since 1.3
*/
@jdk.Exported
public interface PrimitiveValue extends Value {
/**
* Converts this value to a BooleanValue and returns the result
* as a boolean.
*
* @return <code>true</code> if this value is non-zero (or
* <code>true</code> if already a BooleanValue); false otherwise.
*/
boolean booleanValue();
/**
* Converts this value to a ByteValue and returns the result
* as a byte. The value will be narrowed as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to a byte).
*
* @return the value, converted to byte
*/
byte byteValue();
/**
* Converts this value to a CharValue and returns the result
* as a char. The value will be narrowed or widened as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to a char,
* in the narrowing case).
*
* @return the value, converted to char
*/
char charValue();
/**
* Converts this value to a ShortValue and returns the result
* as a short. The value will be narrowed or widened as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to a short,
* in the narrowing case).
*
* @return the value, converted to short
*/
short shortValue();
/**
* Converts this value to an IntegerValue and returns the result
* as an int. The value will be narrowed or widened as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to an int,
* in the narrowing case).
*
* @return the value, converted to int
*/
int intValue();
/**
* Converts this value to a LongValue and returns the result
* as a long. The value will be narrowed or widened as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to a long,
* in the narrowing case).
*
* @return the value, converted to long
*/
long longValue();
/**
* Converts this value to a FloatValue and returns the result
* as a float. The value will be narrowed or widened as
* necessary, and magnitude or precision information
* may be lost (as if the primitive had been cast to a float,
* in the narrowing case).
*
* @return the value, converted to float
*/
float floatValue();
/**
* Converts this value to a DoubleValue and returns the result
* as a double. The value will be widened as
* necessary, and precision information
* may be lost.
*
* @return the value, converted to double
*/
double doubleValue();
}