// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.orsup.lazyeval;

import org.litesoft.core.simpletypes.temporal.*;
import org.litesoft.core.typeutils.*;

public class LazyEvalSimpleDate
{
    private final DateRes mDateRes;
    private CalendarYMD mCalendarYMD;
    private String mPersistFormSimpleDate;

    public LazyEvalSimpleDate( DateRes pDateRes )
    {
        mDateRes = Objects.assertNotNull( "DateRes", pDateRes );
    }

    public LazyEvalSimpleDate()
    {
        this( DateRes.ToDAY );
    }

    public DateRes getDateRes()
    {
        return mDateRes;
    }

    public CalendarYMD getCalendarYMD()
    {
        if ( (mCalendarYMD == null) && (mPersistFormSimpleDate != null) )
        {
            mCalendarYMD = CalendarYMD.fromSQLvalue( mPersistFormSimpleDate ).changeResolution( mDateRes );
        }
        return mCalendarYMD;
    }

    public void setCalendarYMD( CalendarYMD pCalendarYMD )
    {
        mCalendarYMD = (pCalendarYMD == null) ? null : pCalendarYMD.changeResolution( mDateRes );
        mPersistFormSimpleDate = null;
    }

    public String getPersistFormSimpleDate()
    {
        if ( (mPersistFormSimpleDate == null) && (mCalendarYMD != null) )
        {
            mPersistFormSimpleDate = mCalendarYMD.toSQLvalue();
        }
        return mPersistFormSimpleDate;
    }

    public void setPersistFormSimpleDate( String pPersistFormSimpleDate )
    {
        mPersistFormSimpleDate = pPersistFormSimpleDate;
        mCalendarYMD = null;
    }
}