/*
 * 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.impl;

import com.sun.xml.xsom.XSFacet;
import com.sun.xml.xsom.XSSimpleType;
import com.sun.xml.xsom.XSUnionSimpleType;
import com.sun.xml.xsom.XSVariety;
import com.sun.xml.xsom.impl.parser.SchemaDocumentImpl;
import com.sun.xml.xsom.visitor.XSSimpleTypeFunction;
import com.sun.xml.xsom.visitor.XSSimpleTypeVisitor;
import org.xml.sax.Locator;

import java.util.Iterator;
import java.util.Set;

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 XSVariety getVariety() { return XSVariety.LIST; }

    public XSSimpleType getPrimitiveType() { return null; }

    public boolean isUnion() { return true; }
    public XSUnionSimpleType asUnion() { return this; }
}