Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package org.apache.commons.bcel6.verifier.structurals; import org.apache.commons.bcel6.Constants; import org.apache.commons.bcel6.generic.ObjectType; import org.apache.commons.bcel6.generic.ReferenceType; /** * This class represents an uninitialized object type; see The Java * Virtual Machine Specification, Second Edition, page 147: 4.9.4 for * more details. * * @version $Id$ * @author Enver Haase */ public class UninitializedObjectType extends ReferenceType implements Constants { private static final long serialVersionUID = -1228341777713117641L; /** The "initialized" version. */ private final ObjectType initialized; /** Creates a new instance. */ public UninitializedObjectType(ObjectType t) { super(T_UNKNOWN, "<UNINITIALIZED OBJECT OF TYPE '" + t.getClassName() + "'>"); initialized = t; } /** * Returns the ObjectType of the same class as the one of the uninitialized object * represented by this UninitializedObjectType instance. */ public ObjectType getInitialized() { return initialized; } /** @return a hash code value for the object. */ @Override public int hashCode() { return initialized.hashCode(); } /** * Returns true on equality of this and o. * Equality means the ObjectType instances of "initialized" * equal one another in this and the o instance. * */ @Override public boolean equals(Object o) { if (!(o instanceof UninitializedObjectType)) { return false; } return initialized.equals(((UninitializedObjectType) o).initialized); } }