58 lines
1.4 KiB
Java
58 lines
1.4 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 2006 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;
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/**
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* A placeholder for strong typing.
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*/
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public interface ContextItem {
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public class Value<T> implements ContextItem {
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private final T v;
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public Value(T v) {
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this.v = v;
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}
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public T getValue() {
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return v;
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}
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public static <T> Value make(T v) {
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return new Value<T>(v);
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}
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@Override
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public int hashCode() {
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return 31 + ((v == null) ? 0 : v.hashCode());
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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Value other = (Value) obj;
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if (v == null) {
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if (other.v != null)
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return false;
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} else if (!v.equals(other.v))
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return false;
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return true;
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}
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}
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}
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