/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2003 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) 2003, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * .
 */
package com.sun.org.apache.xerces.internal.xs;
/**
 * The interface represents the Element Declaration schema component. 
 */
public interface XSElementDeclaration extends XSTerm {
    /**
     * [type definition]: either a simple type definition or a complex type 
     * definition. 
     */
    public XSTypeDefinition getTypeDefinition();
    /**
     * [scope]. One of SCOPE_GLOBAL, SCOPE_LOCAL, or 
     * SCOPE_ABSENT. If the scope is local, then the 
     * enclosingCTDefinition is present. 
     */
    public short getScope();
    /**
     * The complex type definition for locally scoped declarations (see 
     * scope), otherwise null if no such 
     * definition exists. 
     */
    public XSComplexTypeDefinition getEnclosingCTDefinition();
    /**
     * [Value constraint]: one of VC_NONE, VC_DEFAULT, VC_FIXED. 
     */
    public short getConstraintType();
    /**
     * [Value constraint]: the constraint value with respect to the [type 
     * definition], otherwise null. 
     */
    public String getConstraintValue();
    /**
     * Value Constraint: Binding specific actual constraint value or 
     * null if the value is in error or there is no value 
     * constraint. 
     * @exception XSException
     *   NOT_SUPPORTED_ERR: Raised if the implementation does not support this 
     *   method.
     */
    public Object getActualVC()
                                            throws XSException;
    /**
     * The actual constraint value built-in datatype, e.g. 
     * STRING_DT, SHORT_DT. If the type definition of this 
     * value is a list type definition, this method returns 
     * LIST_DT. If the type definition of this value is a list 
     * type definition whose item type is a union type definition, this 
     * method returns LISTOFUNION_DT. To query the actual 
     * constraint value of the list or list of union type definitions use 
     * itemValueTypes. If the actualNormalizedValue
     *  is null, this method returns UNAVAILABLE_DT
     * . 
     * @exception XSException
     *   NOT_SUPPORTED_ERR: Raised if the implementation does not support this 
     *   method.
     */
    public short getActualVCType()
                                            throws XSException;
    /**
     * In the case the actual constraint value represents a list, i.e. the 
     * actualValueType is LIST_DT, the returned 
     * array consists of one type kind which represents the itemType. If the 
     * actual constraint value represents a list type definition whose item 
     * type is a union type definition, i.e. LISTOFUNION_DT, 
     * for each actual constraint value in the list the array contains the 
     * corresponding memberType kind. For examples, see 
     * ItemPSVI.itemValueTypes. 
     * @exception XSException
     *   NOT_SUPPORTED_ERR: Raised if the implementation does not support this 
     *   method.
     */
    public ShortList getItemValueTypes()
                                            throws XSException;
    /**
     *  If nillable is true, then an element may also be valid if it carries 
     * the namespace qualified attribute with local name nil 
     * from namespace http://www.w3.org/2001/XMLSchema-instance 
     * and value true (xsi:nil) even if it has no text or 
     * element content despite a content type which would 
     * otherwise require content. 
     */
    public boolean getNillable();
    /**
     * identity-constraint definitions: a set of constraint definitions if it 
     * exists, otherwise an empty XSNamedMap. 
     */
    public XSNamedMap getIdentityConstraints();
    /**
     * [substitution group affiliation]: a top-level element definition if it 
     * exists, otherwise null. 
     */
    public XSElementDeclaration getSubstitutionGroupAffiliation();
    /**
     * Convenience method that checks if exclusion is a 
     * substitution group exclusion for this element declaration. 
     * @param exclusion  
     *   DERIVATION_EXTENSION, DERIVATION_RESTRICTION or 
     *   DERIVATION_NONE. Represents final set for the element.
     * @return True if exclusion is a part of the substitution 
     *   group exclusion subset. 
     */
    public boolean isSubstitutionGroupExclusion(short exclusion);
    /**
     *  [substitution group exclusions]: the returned value is a bit 
     * combination of the subset of {
     * DERIVATION_EXTENSION, DERIVATION_RESTRICTION} or 
     * DERIVATION_NONE. 
     */
    public short getSubstitutionGroupExclusions();
    /**
     * Convenience method that checks if disallowed is a 
     * disallowed substitution for this element declaration. 
     * @param disallowed {
     *   DERIVATION_SUBSTITUTION, DERIVATION_EXTENSION, DERIVATION_RESTRICTION
     *   } or DERIVATION_NONE. Represents a block set for the 
     *   element.
     * @return True if disallowed is a part of the substitution 
     *   group exclusion subset. 
     */
    public boolean isDisallowedSubstitution(short disallowed);
    /**
     *  [disallowed substitutions]: the returned value is a bit combination of 
     * the subset of {
     * DERIVATION_SUBSTITUTION, DERIVATION_EXTENSION, DERIVATION_RESTRICTION
     * } corresponding to substitutions disallowed by this 
     * XSElementDeclaration or DERIVATION_NONE. 
     */
    public short getDisallowedSubstitutions();
    /**
     * {abstract} A boolean. 
     */
    public boolean getAbstract();
    /**
     * An annotation if it exists, otherwise null. 
     */
    public XSAnnotation getAnnotation();
}