/*******************************************************************************
 * Copyright (c) 2000, 2008 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.wst.jsdt.internal.corext.refactoring.typeconstraints2;

import org.eclipse.core.runtime.Assert;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.internal.corext.refactoring.typeconstraints.CompilationUnitRange;
import org.eclipse.wst.jsdt.internal.corext.refactoring.typeconstraints.types.TType;

public final class CastVariable2 extends ConstraintVariable2 implements ITypeConstraintVariable {

	private final CompilationUnitRange fRange;
	private final ConstraintVariable2 fExpressionVariable;

	public CastVariable2(TType type, CompilationUnitRange range, ConstraintVariable2 expressionVariable) {
		super(type);
		Assert.isNotNull(expressionVariable);
		Assert.isNotNull(range);
		fRange= range;
		fExpressionVariable= expressionVariable;
	}
	
	public CompilationUnitRange getRange() {
		return fRange;
	}
	
	public IJavaScriptUnit getCompilationUnit() {
		return fRange.getCompilationUnit();
	}
	
	public void setCompilationUnit(IJavaScriptUnit unit) {
		throw new UnsupportedOperationException();
	}
	
	public ConstraintVariable2 getExpressionVariable() {
		return fExpressionVariable;
	}
	
	// hashCode() and equals(..) not necessary (unique per construction)
}