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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,

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 *

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

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

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

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

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

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

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

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

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.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 org.xml.sax.Locator;

import java.util.Set;

public abstract class SimpleTypeImpl extends DeclarationImpl

    implements XSSimpleType, ContentTypeImpl, Ref.SimpleType

{

    SimpleTypeImpl(

        SchemaDocumentImpl _parent,

        AnnotationImpl _annon,

        Locator _loc,

        ForeignAttributesImpl _fa,

        String _name,

        boolean _anonymous,

        Set<XSVariety> finalSet,

        Ref.SimpleType _baseType) {

        super(_parent, _annon, _loc, _fa, _parent.getTargetNamespace(), _name, _anonymous);

        this.baseType = _baseType;

        this.finalSet = finalSet;

    }

    private Ref.SimpleType baseType;

    public XSType[] listSubstitutables() {

        return Util.listSubstitutables(this);

    }

    public void redefine( SimpleTypeImpl st ) {

        baseType = st;

        st.redefinedBy = this;

        redefiningCount = (short)(st.redefiningCount+1);

    }

    /**

     * Number of times this component redefines other components.

     */

    private short redefiningCount = 0;

    private SimpleTypeImpl redefinedBy = null;

    public XSSimpleType getRedefinedBy() {

        return redefinedBy;

    }

    public int getRedefinedCount() {

        int i=0;

        for( SimpleTypeImpl st =this.redefinedBy; st !=null; st =st.redefinedBy)

            i++;

        return i;

    }

    public XSType getBaseType() { return baseType.getType(); }

    public XSSimpleType getSimpleBaseType() { return baseType.getType(); }

    public boolean isPrimitive() { return false; }

    public XSListSimpleType getBaseListType() {

        return getSimpleBaseType().getBaseListType();

    }

    public XSUnionSimpleType getBaseUnionType() {

        return getSimpleBaseType().getBaseUnionType();

    }

    private final Set<XSVariety> finalSet;

    public boolean isFinal(XSVariety v) {

        return finalSet.contains(v);

    }

    public final int getDerivationMethod() { return XSType.RESTRICTION; }

    public final XSSimpleType asSimpleType()  { return this; }

    public final XSComplexType asComplexType(){ return null; }

    public boolean isDerivedFrom(XSType t) {

        XSType x = this;

        while(true) {

            if(t==x)

                return true;

            XSType s = x.getBaseType();

            if(s==x)

                return false;

            x = s;

        }

    }

    public final boolean isSimpleType()       { return true; }

    public final boolean isComplexType()      { return false; }

    public final XSParticle asParticle()      { return null; }

    public final XSContentType asEmpty()      { return null; }

    public boolean isRestriction() { return false; }

    public boolean isList() { return false; }

    public boolean isUnion() { return false; }

    public XSRestrictionSimpleType asRestriction() { return null; }

    public XSListSimpleType asList() { return null; }

    public XSUnionSimpleType asUnion() { return null; }

    public final void visit( XSVisitor visitor ) {

        visitor.simpleType(this);

    }

    public final void visit( XSContentTypeVisitor visitor ) {

        visitor.simpleType(this);

    }

    public final Object apply( XSFunction function ) {

        return function.simpleType(this);

    }

    public final Object apply( XSContentTypeFunction function ) {

        return function.simpleType(this);

    }

    // Ref.ContentType implementation

    public XSContentType getContentType() { return this; }

    // Ref.SimpleType implementation

    public XSSimpleType getType() { return this; }

}