/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.ipa.callgraph.propagation;
import com.ibm.wala.fixpoint.UnaryOperator;
import com.ibm.wala.fixpoint.UnaryStatement;
/**
* A specialized equation class introduced for efficiency.
*/
public final class AssignEquation extends UnaryStatement<PointsToSetVariable> {
AssignEquation(PointsToSetVariable lhs, PointsToSetVariable rhs) {
super(lhs, rhs);
}
@Override
public UnaryOperator<PointsToSetVariable> getOperator() {
return PropagationCallGraphBuilder.assignOperator;
}
@Override
public boolean equals(Object o) {
if (o instanceof AssignEquation) {
AssignEquation other = (AssignEquation) o;
return getLHS().equals(other.getLHS()) && getRightHandSide().equals(other.getRightHandSide());
} else {
return false;
}
}
}