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 * 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

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

import com.sun.xml.internal.xsom.XSContentType;

import com.sun.xml.internal.xsom.XSParticle;

import com.sun.xml.internal.xsom.XSSimpleType;

import com.sun.xml.internal.xsom.XSTerm;

import com.sun.xml.internal.xsom.impl.parser.DelayedRef;

import com.sun.xml.internal.xsom.impl.parser.SchemaDocumentImpl;

import com.sun.xml.internal.xsom.visitor.XSContentTypeFunction;

import com.sun.xml.internal.xsom.visitor.XSContentTypeVisitor;

import com.sun.xml.internal.xsom.visitor.XSFunction;

import com.sun.xml.internal.xsom.visitor.XSVisitor;

import java.math.BigInteger;

import org.xml.sax.Locator;

import java.util.List;

public class ParticleImpl extends ComponentImpl implements XSParticle, ContentTypeImpl

{

    public ParticleImpl( SchemaDocumentImpl owner, AnnotationImpl _ann,

        Ref.Term _term, Locator _loc, BigInteger _maxOccurs, BigInteger _minOccurs ) {

        super(owner,_ann,_loc,null);

        this.term = _term;

        this.maxOccurs = _maxOccurs;

        this.minOccurs = _minOccurs;

    }

    public ParticleImpl( SchemaDocumentImpl owner, AnnotationImpl _ann,

        Ref.Term _term, Locator _loc, int _maxOccurs, int _minOccurs ) {

        super(owner,_ann,_loc,null);

        this.term = _term;

        this.maxOccurs = BigInteger.valueOf(_maxOccurs);

        this.minOccurs = BigInteger.valueOf(_minOccurs);

    }

    public ParticleImpl( SchemaDocumentImpl owner, AnnotationImpl _ann, Ref.Term _term, Locator _loc ) {

        this(owner,_ann,_term,_loc,1,1);

    }

    private Ref.Term term;

    public XSTerm getTerm() { return term.getTerm(); }

    private BigInteger maxOccurs;

    public BigInteger getMaxOccurs() { return maxOccurs; }

    public boolean isRepeated() {

        return !maxOccurs.equals(BigInteger.ZERO) && !maxOccurs.equals(BigInteger.ONE);

    }

    private BigInteger minOccurs;

    public BigInteger getMinOccurs() { return minOccurs; }

    public void redefine(ModelGroupDeclImpl oldMG) {

        if( term instanceof ModelGroupImpl ) {

            ((ModelGroupImpl)term).redefine(oldMG);

            return;

        }

        if( term instanceof DelayedRef.ModelGroup ) {

            ((DelayedRef)term).redefine(oldMG);

        }

    }

    public XSSimpleType asSimpleType()  { return null; }

    public XSParticle asParticle()      { return this; }

    public XSContentType asEmpty()      { return null; }

    public final Object apply( XSFunction function ) {

        return function.particle(this);

    }

    public final Object apply( XSContentTypeFunction function ) {

        return function.particle(this);

    }

    public final void visit( XSVisitor visitor ) {

        visitor.particle(this);

    }

    public final void visit( XSContentTypeVisitor visitor ) {

        visitor.particle(this);

    }

    // Ref.ContentType implementation

    public XSContentType getContentType() { return this; }

    /**

     * Foreign attribuets are considered to be on terms.

     *

     * REVISIT: is this a good design?

     */

    public List getForeignAttributes() {

        return getTerm().getForeignAttributes();

    }

}