44 lines
1.4 KiB
Java
44 lines
1.4 KiB
Java
/*******************************************************************************
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* Copyright (c) 2007 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.ipa.callgraph.propagation;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.NewSiteReference;
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import com.ibm.wala.ipa.callgraph.CGNode;
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/**
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* Represents an array with length zero. Useful for precision since such arrays
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* cannot have contents.
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*/
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public final class ZeroLengthArrayInNode extends AllocationSiteInNode {
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public ZeroLengthArrayInNode(CGNode node, NewSiteReference allocation, IClass type) {
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super(node, allocation, type);
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}
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@Override
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public boolean equals(Object obj) {
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// instanceof is OK because this class is final
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if (obj instanceof ZeroLengthArrayInNode) {
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AllocationSiteInNode other = (AllocationSiteInNode) obj;
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return getNode().equals(other.getNode()) && getSite().equals(other.getSite());
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} else {
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return false;
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}
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}
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@Override
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public int hashCode() {
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return getNode().hashCode() * 8647 + getSite().hashCode();
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}
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}
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