/*******************************************************************************
 * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.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.
	 */

	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();
	}
}