com.sun.xml.xsom.XSElementDecl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.xsom;
import java.util.List;
import java.util.Set;
/**
* Element declaration.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
public interface XSElementDecl extends XSDeclaration, XSTerm
{
/**
* Gets the type of this element declaration.
* @return
* always non-null.
*/
XSType getType();
boolean isNillable();
/**
* Gets the substitution head of this element, if any.
* Otherwise null.
*/
XSElementDecl getSubstAffiliation();
/**
* Returns all the {@link XSIdentityConstraint}s in this element decl.
*
* @return
* never null, but can be empty.
*/
List getIdentityConstraints();
/**
* Checks the substitution excluded property of the schema component.
*
* IOW, this checks the value of the final attribute
* (plus finalDefault).
*
* @param method
* Possible values are {@link XSType#EXTENSION} or
* XSType.RESTRICTION.
*/
boolean isSubstitutionExcluded(int method);
/**
* Checks the diallowed substitution property of the schema component.
*
* IOW, this checks the value of the block attribute
* (plus blockDefault).
*
* @param method
* Possible values are {@link XSType#EXTENSION},
* XSType.RESTRICTION, or XSType.SUBSTITUTION
*/
boolean isSubstitutionDisallowed(int method);
boolean isAbstract();
/**
* Returns the element declarations that can substitute
* this element.
*
*
* IOW, this set returns all the element decls that satisfies
*
* the "Substitution Group OK" constraint.
*
*
* @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.
*/
@Deprecated
XSElementDecl[] listSubstitutables();
/**
* Returns the element declarations that can substitute
* this element.
*
*
* IOW, this set returns all the element decls that satisfies
*
* the "Substitution Group OK" constraint.
*
*
*
* Note that the above clause does NOT 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 getSubstitutables();
/**
* Returns true if this element declaration can be validly substituted
* by the given declaration.
*
*
* Just a short cut of {@code getSubstitutables().contain(e);}
*/
boolean canBeSubstitutedBy(XSElementDecl e);
// TODO: identitiy constraints
// TODO: scope
XmlString getDefaultValue();
XmlString getFixedValue();
/**
* Used for javadoc schema generation
*
* @return
* null if form attribute not present,
* true if form attribute present and set to qualified,
* false if form attribute present and set to unqualified.
*/
Boolean getForm();
}