/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001, 2002 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2001, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package com.sun.org.apache.xerces.internal.xs;

import org.w3c.dom.TypeInfo;

/**
 * This interface represents a complex or simple type definition.
 * The interface may be updated or replaced. 
 */
public interface XSTypeDefinition extends XSObject, TypeInfo {
    /**
     * This constant value signifies a complex type.
     */
    public static final short COMPLEX_TYPE              = 13;
    /**
     * This constant value signifies a simple type.
     */
    public static final short SIMPLE_TYPE               = 14;
    /**
     * Return whether this type definition is a simple type or complex type.
     */
    public short getTypeCategory();

    /**
     * {base type definition}: either a simple type definition or a complex 
     * type definition. 
     */
    public XSTypeDefinition getBaseType();

    /**
     * {final}. For complex type definition it is a subset of {extension, 
     * restriction}. For simple type definition it is a subset of 
     * {extension, list, restriction, union}. 
     * @param restriction  Extension, restriction, list, union constants 
     *   (defined in <code>XSConstants</code>). 
     * @return True if restriction is in the final set, otherwise false.
     */
    public boolean isFinal(short restriction);

    /**
     * For complex types the returned value is a bit combination of the subset 
     * of {<code>DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code>} 
     * corresponding to <code>final</code> set of this type or 
     * <code>DERIVATION_NONE</code>. For simple types the returned value is 
     * a bit combination of the subset of { 
     * <code>DERIVATION_RESTRICTION, DERIVATION_EXTENSION, DERIVATION_UNION, DERIVATION_LIST</code>
     * } corresponding to <code>final</code> set of this type or 
     * <code>DERIVATION_NONE</code>. 
     */
    public short getFinal();

    /**
     *  Convenience. A boolean that specifies if the type definition is 
     * anonymous. Convenience attribute. 
     */
    public boolean getAnonymous();

    /**
     * Convenience method: check if this type is derived from the given 
     * <code>ancestorType</code>. 
     * @param ancestorType  An ancestor type definition. 
     * @param derivationMethod  A bit combination representing a subset of {
     *   <code>DERIVATION_RESTRICTION, DERIVATION_EXTENSION, DERIVATION_UNION, DERIVATION_LIST</code>
     *   }. 
     * @return  Return true if this type is derived from 
     *   <code>ancestorType</code> using only derivation methods from the 
     *   <code>derivationMethod</code>. Return true if this type is derived 
     *   from <code>ancestorType</code>.
     */
    public boolean derivedFromType(XSTypeDefinition ancestorType, 
                                   short derivationMethod);

    /**
     * Convenience method: check if this type is derived from the given 
     * ancestor type. 
     * @param namespace  An ancestor type namespace. 
     * @param name  An ancestor type name. 
     * @param derivationMethod  A bit combination representing a subset of {
     *   <code>DERIVATION_RESTRICTION, DERIVATION_EXTENSION, DERIVATION_UNION, DERIVATION_LIST</code>
     *   }. 
     * @return  Return true if this type is derived from 
     *   <code>ancestorType</code> using only derivation methods from the 
     *   <code>derivationMethod</code>. Return true if this type is derived 
     *   from <code>ancestorType</code>.
     */
    public boolean derivedFrom(String namespace, 
                               String name, 
                               short derivationMethod);

}