| /******************************************************************************* |
| * Copyright (c) 2000, 2011 IBM Corporation and others. |
| * 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 org.eclipse.jdt.internal.corext.refactoring.structure; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| /** |
| * Maplet from a type variable in a source class to a type variable in a target class. |
| */ |
| public final class TypeVariableMaplet { |
| |
| /** The source index */ |
| private final int fSourceIndex; |
| |
| /** The source of the mapping */ |
| private final String fSourceName; |
| |
| /** The target index */ |
| private final int fTargetIndex; |
| |
| /** The target of the mapping */ |
| private final String fTargetName; |
| |
| /** |
| * Creates a new type variable maplet. |
| * |
| * @param source |
| * the simple name of the type variable in the source class |
| * @param index |
| * the index of the source type variable in the source class declaration |
| * @param target |
| * the simple name of the type variable in the range class |
| * @param offset |
| * the index of the range type variable in the range class declaration |
| */ |
| public TypeVariableMaplet(final String source, final int index, final String target, final int offset) { |
| Assert.isNotNull(source); |
| Assert.isNotNull(target); |
| Assert.isTrue(source.length() > 0); |
| Assert.isTrue(target.length() > 0); |
| Assert.isTrue(index >= 0); |
| Assert.isTrue(offset >= 0); |
| fSourceName= source; |
| fTargetName= target; |
| fSourceIndex= index; |
| fTargetIndex= offset; |
| } |
| |
| @Override |
| public final boolean equals(final Object object) { |
| if (object instanceof TypeVariableMaplet) { |
| final TypeVariableMaplet mapping= (TypeVariableMaplet) object; |
| return mapping.getSourceName().equals(fSourceName) && mapping.getTargetName().equals(fTargetName) && mapping.getSourceIndex() == fSourceIndex && mapping.getTargetIndex() == fTargetIndex; |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the source index of this type variable maplet. |
| * |
| * @return the source index of this maplet |
| */ |
| public final int getSourceIndex() { |
| return fSourceIndex; |
| } |
| |
| /** |
| * Returns the source of this type variable maplet. |
| * |
| * @return the source of this maplet |
| */ |
| public final String getSourceName() { |
| return fSourceName; |
| } |
| |
| /** |
| * Returns the target index of this type variable maplet. |
| * |
| * @return the target index of this maplet |
| */ |
| public final int getTargetIndex() { |
| return fTargetIndex; |
| } |
| |
| /** |
| * Returns the target of this type variable maplet. |
| * |
| * @return the target of this maplet |
| */ |
| public final String getTargetName() { |
| return fTargetName; |
| } |
| |
| @Override |
| public final int hashCode() { |
| return fSourceIndex | fTargetIndex | fSourceName.hashCode() | fTargetName.hashCode(); |
| } |
| } |