/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* https://jwsdp.dev.java.net/CDDLv1.0.html
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* https://jwsdp.dev.java.net/CDDLv1.0.html If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*/
package com.sun.xml.xsom;
import java.util.List;
import java.util.Set;
/**
* Element declaration.
*
* @author
* Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
public interface XSElementDecl extends XSDeclaration, XSTerm
{
XSType getType();
boolean isNillable();
XSElementDecl getSubstAffiliation();
/**
* Returns all the {@link XSIdentityConstraint}s in this element decl.
*
* @return
* never null, but can be empty.
*/
List<XSIdentityConstraint> getIdentityConstraints();
/**
* Checks the substitution excluded property of the schema component.
*
* IOW, this checks the value of the <code>final</code> attribute
* (plus <code>finalDefault</code>).
*
* @param method
* Possible values are {@link XSType.EXTENSION} or
* <code>XSType.RESTRICTION</code>.
*/
boolean isSubstitutionExcluded(int method);
/**
* Checks the diallowed substitution property of the schema component.
*
* IOW, this checks the value of the <code>block</code> attribute
* (plus <code>blockDefault</code>).
*
* @param method
* Possible values are {@link XSType.EXTENSION},
* <code>XSType.RESTRICTION</code>, or <code>XSType.SUBSTITUTION</code>
*/
boolean isSubstitutionDisallowed(int method);
boolean isAbstract();
/**
* Returns the element declarations that can substitute
* this element.
*
* <p>
* IOW, this set returns all the element decls that satisfies
* <a href="http://www.w3.org/TR/xmlschema-1/#cos-equiv-derived-ok-rec">
* the "Substitution Group OK" constraint.
* </a>
*
* @return
* nun-null valid array. The return value always contains this element
* decl itself.
*
* @deprecated
* this method allocates a new array every time, so it could be
* inefficient when working with a large schema. Use
* {@link #getSubstitutables()} instead.
*/
XSElementDecl[] listSubstitutables();
/**
* Returns the element declarations that can substitute
* this element.
*
* <p>
* IOW, this set returns all the element decls that satisfies
* <a href="http://www.w3.org/TR/xmlschema-1/#cos-equiv-derived-ok-rec">
* the "Substitution Group OK" constraint.
* </a>
*
* <p>
* Note that the above clause does <em>NOT</em> check for
* abstract elements. So abstract elements may still show up
* in the returned set.
*
* @return
* nun-null unmodifiable list.
* The returned list always contains this element decl itself.
*/
Set<? extends XSElementDecl> getSubstitutables();
/**
* Returns true if this element declaration can be validly substituted
* by the given declaration.
*
* <p>
* Just a short cut of <tt>getSubstitutables().contain(e);</tt>
*/
boolean canBeSubstitutedBy(XSElementDecl e);
// TODO: identitiy constraints
// TODO: scope
XmlString getDefaultValue();
XmlString getFixedValue();
}