Binding.java

/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.lookup;

public abstract class Binding implements BindingIds, CompilerModifiers, ProblemReasons {
	/* API
	* Answer the receiver's binding type from Binding.BindingID.
	*
	* Note: Do NOT expect this to be used very often... only in switch statements with
	* more than 2 possible choices.
	*/
	public abstract int bindingType();
	/* API
	* Answer true if the receiver is not a problem binding
	*/
	
	public final boolean isValidBinding() {
		return problemId() == NoError;
	}
	/* API
	* Answer the problem id associated with the receiver.
	* NoError if the receiver is a valid binding.
	*/
	// TODO (philippe) should rename into problemReason()
	public int problemId() {
		return NoError;
	}
	/* Answer a printable representation of the receiver.
	*/
	public abstract char[] readableName();

	/* Shorter printable representation of the receiver (no qualified type)
	 */	
	public char[] shortReadableName(){
		return readableName();
	}
}