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 * published by the Free Software Foundation.  Oracle designates this

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * 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

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

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

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

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

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

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

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

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

import org.xml.sax.Locator;

import java.util.Iterator;

import java.util.Set;

import java.util.List;

import java.util.Collections;

public class UnionSimpleTypeImpl extends SimpleTypeImpl implements XSUnionSimpleType

{

    public UnionSimpleTypeImpl( SchemaDocumentImpl _parent,

                                AnnotationImpl _annon, Locator _loc, ForeignAttributesImpl _fa,

                                String _name, boolean _anonymous, Set<XSVariety> finalSet,

                                Ref.SimpleType[] _members ) {

        super(_parent,_annon,_loc,_fa,_name,_anonymous, finalSet,

            _parent.getSchema().parent.anySimpleType);

        this.memberTypes = _members;

    }

    private final Ref.SimpleType[] memberTypes;

    public XSSimpleType getMember( int idx ) { return memberTypes[idx].getType(); }

    public int getMemberSize() { return memberTypes.length; }

    public Iterator<XSSimpleType> iterator() {

        return new Iterator<XSSimpleType>() {

            int idx=0;

            public boolean hasNext() {

                return idx<memberTypes.length;

            }

            public XSSimpleType next() {

                return memberTypes[idx++].getType();

            }

            public void remove() {

                throw new UnsupportedOperationException();

            }

        };

    }

    public void visit( XSSimpleTypeVisitor visitor ) {

        visitor.unionSimpleType(this);

    }

    public Object apply( XSSimpleTypeFunction function ) {

        return function.unionSimpleType(this);

    }

    public XSUnionSimpleType getBaseUnionType() {

        return this;

    }

    // union type by itself doesn't have any facet. */

    public XSFacet getFacet( String name ) { return null; }

    public List<XSFacet> getFacets( String name ) { return Collections.EMPTY_LIST; }

    public XSVariety getVariety() { return XSVariety.UNION; }

    public XSSimpleType getPrimitiveType() { return null; }

    public boolean isUnion() { return true; }

    public XSUnionSimpleType asUnion() { return this; }

}