WALA/com.ibm.wala.core/src/com/ibm/wala/ipa/modref/ArrayLengthKey.java

50 lines
1.4 KiB
Java

/*******************************************************************************
* Copyright (c) 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.modref;
import com.ibm.wala.ipa.callgraph.propagation.AbstractFieldPointerKey;
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
/**
* A {@link PointerKey} that represents an array length location
*/
public class ArrayLengthKey extends AbstractFieldPointerKey {
public ArrayLengthKey(InstanceKey i) {
super(i);
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass().equals(obj.getClass())) {
ArrayLengthKey other = (ArrayLengthKey)obj;
return getInstanceKey().equals(other.getInstanceKey());
} else {
return false;
}
}
@Override
public int hashCode() {
return getInstanceKey().hashCode() * 19;
}
@Override
public String toString() {
return "arraylength:" + getInstanceKey();
}
}