// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.aokeyhole.objects;

public enum FundamentalAttributeType {
    Simple( false, false ),
    ToOne( true, false ),
    ToMany( false, true );

    private boolean mToOne, mToMany;

    FundamentalAttributeType( boolean pToOne, boolean pToMany ) {
        mToOne = pToOne;
        mToMany = pToMany;
    }

    public boolean isSimple() {
        return !mToOne && !mToMany;
    }

    public boolean isRelated() {
        return mToOne || mToMany;
    }

    public boolean isToOne() {
        return mToOne;
    }

    public boolean isToMany() {
        return mToMany;
    }

    public FundamentalAttributeType getCompatibleBackReferenceType() {
        switch ( this ) {
            case ToOne:
                return ToMany;
            case ToMany:
                return ToOne;
            default:
                return null;
        }
    }
}