xselementdeclaration.java

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/*
 * 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 [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache",
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 *    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
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 * 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
 * <http://www.apache.org/>.
 */

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 <code>SCOPE_GLOBAL</code>, <code>SCOPE_LOCAL</code>, or 
     * <code>SCOPE_ABSENT</code>. If the scope is local, then the 
     * <code>enclosingCTDefinition</code> is present. 
     */
    public short getScope();

    /**
     * The complex type definition for locally scoped declarations (see 
     * <code>scope</code>), otherwise <code>null</code> if no such 
     * definition exists. 
     */
    public XSComplexTypeDefinition getEnclosingCTDefinition();

    /**
     * [Value constraint]: one of <code>VC_NONE, VC_DEFAULT, VC_FIXED</code>. 
     */
    public short getConstraintType();

    /**
     * [Value constraint]: the constraint value with respect to the [type 
     * definition], otherwise <code>null</code>. 
     */
    public String getConstraintValue();

    /**
     * Value Constraint: Binding specific actual constraint value or 
     * <code>null</code> 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. 
     * <code>STRING_DT, SHORT_DT</code>. If the type definition of this 
     * value is a list type definition, this method returns 
     * <code>LIST_DT</code>. If the type definition of this value is a list 
     * type definition whose item type is a union type definition, this 
     * method returns <code>LISTOFUNION_DT</code>. To query the actual 
     * constraint value of the list or list of union type definitions use 
     * <code>itemValueTypes</code>. If the <code>actualNormalizedValue</code>
     *  is <code>null</code>, this method returns <code>UNAVAILABLE_DT</code>
     * . 
     * @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 
     * <code>actualValueType</code> is <code>LIST_DT</code>, 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. <code>LISTOFUNION_DT</code>, 
     * for each actual constraint value in the list the array contains the 
     * corresponding memberType kind. For examples, see 
     * <code>ItemPSVI.itemValueTypes</code>. 
     * @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 <code>nil</code> 
     * from namespace <code>http://www.w3.org/2001/XMLSchema-instance</code> 
     * and value <code>true</code> (xsi:nil) even if it has no text or 
     * element content despite a <code>content type</code> which would 
     * otherwise require content. 
     */
    public boolean getNillable();

    /**
     * identity-constraint definitions: a set of constraint definitions if it 
     * exists, otherwise an empty <code>XSNamedMap</code>. 
     */
    public XSNamedMap getIdentityConstraints();

    /**
     * [substitution group affiliation]: a top-level element definition if it 
     * exists, otherwise <code>null</code>. 
     */
    public XSElementDeclaration getSubstitutionGroupAffiliation();

    /**
     * Convenience method that checks if <code>exclusion</code> is a 
     * substitution group exclusion for this element declaration. 
     * @param exclusion  
     *   <code>DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code> or 
     *   <code>DERIVATION_NONE</code>. Represents final set for the element.
     * @return True if <code>exclusion</code> 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 {
     * <code>DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code>} or 
     * <code>DERIVATION_NONE</code>. 
     */
    public short getSubstitutionGroupExclusions();

    /**
     * Convenience method that checks if <code>disallowed</code> is a 
     * disallowed substitution for this element declaration. 
     * @param disallowed {
     *   <code>DERIVATION_SUBSTITUTION, DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code>
     *   } or <code>DERIVATION_NONE</code>. Represents a block set for the 
     *   element.
     * @return True if <code>disallowed</code> 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 {
     * <code>DERIVATION_SUBSTITUTION, DERIVATION_EXTENSION, DERIVATION_RESTRICTION</code>
     * } corresponding to substitutions disallowed by this 
     * <code>XSElementDeclaration</code> or <code>DERIVATION_NONE</code>. 
     */
    public short getDisallowedSubstitutions();

    /**
     * {abstract} A boolean. 
     */
    public boolean getAbstract();

    /**
     * An annotation if it exists, otherwise <code>null</code>. 
     */
    public XSAnnotation getAnnotation();

}