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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.evaluation.value;
/**
* This IntegerValue represents a integer value that is negated.
*
* @author Eric Lafortune
*/
final class NegatedIntegerValue extends SpecificIntegerValue
{
private final IntegerValue integerValue;
/**
* Creates a new negated integer value of the given integer value.
*/
public NegatedIntegerValue(IntegerValue integerValue)
{
this.integerValue = integerValue;
}
// Implementations of unary methods of IntegerValue.
public IntegerValue negate()
{
return integerValue;
}
// Implementations for Object.
public boolean equals(Object object)
{
return this == object ||
super.equals(object) &&
this.integerValue.equals(((NegatedIntegerValue)object).integerValue);
}
public int hashCode()
{
return super.hashCode() ^
integerValue.hashCode();
}
public String toString()
{
return "-"+integerValue;
}
}
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