WALA/com.ibm.wala.core/src/com/ibm/wala/ipa/callgraph/propagation/ArrayContentsKey.java

51 lines
1.5 KiB
Java

/*******************************************************************************
* 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.classLoader.ArrayClass;
/**
* A {@link PointerKey} which represents the contents of an array instance.
*/
public final class ArrayContentsKey extends AbstractFieldPointerKey implements FilteredPointerKey {
public ArrayContentsKey(InstanceKey instance) {
super(instance);
}
@Override
public boolean equals(Object obj) {
if (obj instanceof ArrayContentsKey) {
ArrayContentsKey other = (ArrayContentsKey) obj;
return instance.equals(other.instance);
} else {
return false;
}
}
@Override
public int hashCode() {
return 1061 * instance.hashCode();
}
@Override
public String toString() {
return "[" + instance + "[]]";
}
/*
* @see com.ibm.wala.ipa.callgraph.propagation.PointerKey#getTypeFilter()
*/
@Override
public TypeFilter getTypeFilter() {
return new SingleClassFilter(((ArrayClass) instance.getConcreteType()).getElementClass());
}
}