| /******************************************************************************* |
| * 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.typeconstraints2; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types.TypeVariable; |
| |
| public final class CollectionElementVariable2 extends ConstraintVariable2 { |
| |
| public static final int NOT_DECLARED_TYPE_VARIABLE_INDEX= -1; |
| |
| private final ConstraintVariable2 fParentCv; |
| private final String fTypeVariableKey; |
| private final int fDeclarationTypeVariableIndex; |
| |
| //TODO: make a 'TypedCollectionElementVariable extends TypeConstraintVariable2' |
| // iff Collection reference already has type parameter in source |
| /** |
| * @param parentCv the parent constraint variable |
| * @param typeVariable the type variable for this constraint |
| * @param declarationTypeVariableIndex |
| */ |
| public CollectionElementVariable2(ConstraintVariable2 parentCv, ITypeBinding typeVariable, int declarationTypeVariableIndex) { |
| super(null); |
| fParentCv= parentCv; |
| if (! typeVariable.isTypeVariable()) |
| throw new IllegalArgumentException(typeVariable.toString()); |
| fTypeVariableKey= typeVariable.getKey(); |
| fDeclarationTypeVariableIndex= declarationTypeVariableIndex; |
| } |
| |
| public CollectionElementVariable2(ConstraintVariable2 parentCv, TypeVariable typeVariable, int declarationTypeVariableIndex) { |
| super(null); |
| fParentCv= parentCv; |
| fTypeVariableKey= typeVariable.getBindingKey(); |
| fDeclarationTypeVariableIndex= declarationTypeVariableIndex; |
| } |
| |
| /* |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| return fParentCv.hashCode() ^ fTypeVariableKey.hashCode(); |
| } |
| |
| /* |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) |
| return true; |
| if (other.getClass() != CollectionElementVariable2.class) |
| return false; |
| |
| CollectionElementVariable2 other2= (CollectionElementVariable2) other; |
| return fParentCv == other2.fParentCv |
| && fTypeVariableKey.equals(other2.fTypeVariableKey); |
| } |
| |
| public int getDeclarationTypeVariableIndex() { |
| return fDeclarationTypeVariableIndex; |
| } |
| |
| public ConstraintVariable2 getParentConstraintVariable() { |
| return fParentCv; |
| } |
| |
| public ICompilationUnit getCompilationUnit() { |
| if (fParentCv instanceof ISourceConstraintVariable) |
| return ((ISourceConstraintVariable) fParentCv).getCompilationUnit(); |
| else |
| return null; |
| // //TODO: assert in constructor(s) |
| // return ((CollectionElementVariable2) fElementCv).getCompilationUnit(); |
| } |
| |
| @Override |
| public String toString() { |
| return "Elem[" + fParentCv.toString() + ", " + fTypeVariableKey + "]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| } |