content: /*******************************************************************************
   * 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.typeconstraints;
  
  import org.eclipse.core.runtime.Assert;
  import org.eclipse.wst.jsdt.core.dom.IFunctionBinding;
  import org.eclipse.wst.jsdt.internal.corext.dom.Bindings;
  
  public class ParameterTypeVariable extends ConstraintVariable {
  
  	private final IFunctionBinding fMethodBinding;
  	private final int fParameterIndex;
  	
  	public ParameterTypeVariable(IFunctionBinding methodBinding, int parameterIndex) {
  		super(methodBinding.getParameterTypes()[parameterIndex]);
  		Assert.isNotNull(methodBinding);
  		Assert.isTrue(0 <= parameterIndex);
  		Assert.isTrue(parameterIndex < methodBinding.getParameterTypes().length);
  		fMethodBinding= methodBinding;
  		fParameterIndex= parameterIndex;
  	}
  	
  	/* (non-Javadoc)
  	 * @see java.lang.Object#toString()
  	 */
  	public String toString() {
  		return "[Parameter(" + fParameterIndex + "," + Bindings.asString(fMethodBinding) + ")]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  	}
  
  	public IFunctionBinding getMethodBinding() {
  		return fMethodBinding;
  	}
  
  	public int getParameterIndex() {
  		return fParameterIndex;
  	}
  
  }
  