/*
 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */


package com.sun.xml.internal.xsom.impl;

import com.sun.xml.internal.xsom.XSElementDecl;
import com.sun.xml.internal.xsom.XSModelGroup;
import com.sun.xml.internal.xsom.XSModelGroupDecl;
import com.sun.xml.internal.xsom.XSTerm;
import com.sun.xml.internal.xsom.XSWildcard;
import com.sun.xml.internal.xsom.impl.parser.SchemaDocumentImpl;
import com.sun.xml.internal.xsom.visitor.XSFunction;
import com.sun.xml.internal.xsom.visitor.XSTermFunction;
import com.sun.xml.internal.xsom.visitor.XSTermFunctionWithParam;
import com.sun.xml.internal.xsom.visitor.XSTermVisitor;
import com.sun.xml.internal.xsom.visitor.XSVisitor;
import org.xml.sax.Locator;

public class ModelGroupDeclImpl extends DeclarationImpl implements XSModelGroupDecl, Ref.Term
{
    public ModelGroupDeclImpl( SchemaDocumentImpl owner,
        AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa,
        String _targetNamespace, String _name,
        ModelGroupImpl _modelGroup ) {
        
        super(owner,_annon,_loc,_fa,_targetNamespace,_name,false);
        this.modelGroup = _modelGroup;
        
        if(modelGroup==null)
            throw new IllegalArgumentException();
    }
    
    private final ModelGroupImpl modelGroup;
    public XSModelGroup getModelGroup() { return modelGroup; }
    
    /**
     * This component is a redefinition of "oldMG". Fix up the internal state
     * as such. 
     */
    public void redefine( ModelGroupDeclImpl oldMG ) {
        modelGroup.redefine(oldMG);
    }
    
    
    public void visit( XSVisitor visitor ) {
        visitor.modelGroupDecl(this);
    }
    public void visit( XSTermVisitor visitor ) {
        visitor.modelGroupDecl(this);
    }
    public Object apply( XSTermFunction function ) {
        return function.modelGroupDecl(this);
    }

    public <T,P> T apply(XSTermFunctionWithParam<T, P> function, P param) {
        return function.modelGroupDecl(this,param);
    }

    public Object apply( XSFunction function ) {
        return function.modelGroupDecl(this);
    }


    public boolean isWildcard()                 { return false; }
    public boolean isModelGroupDecl()           { return true; }
    public boolean isModelGroup()               { return false; }
    public boolean isElementDecl()              { return false; }

    public XSWildcard asWildcard()              { return null; }
    public XSModelGroupDecl asModelGroupDecl()  { return this; }
    public XSModelGroup asModelGroup()          { return null; }
    public XSElementDecl asElementDecl()        { return null; }


    // Ref.Term implementation
    public XSTerm getTerm() { return this; }
}