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

import org.litesoft.orsup.base.*;
import org.litesoft.orsup.nonpublic.*;
import org.litesoft.orsup.otherattributeaccessors.*;

public class LazyLoadToOneVariable<Owner extends PersistentObjectImpl> extends AbstractLazyLoadToOne<Owner, PersistentObjectImpl> implements ToVariable
{
    protected AttributeAccessorSCDtoOneVariable<Owner> mSCDtoOneVariable;

    public LazyLoadToOneVariable( Owner pOwner, AttributeAccessorSCDtoOneVariable<Owner> pSCDtoOneVariable )
    {
        super( pOwner, pSCDtoOneVariable );
        mSCDtoOneVariable = pSCDtoOneVariable;
    }

    @Override
    public final AttributeAccessorSCDtoOneVariable<Owner> getSCDtoOne()
    {
        return mSCDtoOneVariable;
    }

    public final PersistentObjectImpl getValue()
    {
        return LL_getValue();
    }

    public final void setValue( PersistentObjectImpl pNewThem, String pBackRefAttributeNameOnNewThem )
    {
        LL_setValue( pNewThem, pBackRefAttributeNameOnNewThem );
    }

    /**
     * @param pDBValue !null
     */
    @Override
    protected final PersistentObject<?> LL_loadValueWithNonNull( Object pDBValue )
    {
        Finder zFinder = mOwner.getFinder();
        PO_VarURLstringHelper varURLstringHelper = new PO_VarURLstringHelper( pDBValue.toString() );
        String poURLstring = varURLstringHelper.getPersistentObjectURL();
        PersistentObjectURL poURL = zFinder.createPersistentObjectURLfrom( poURLstring );
        return zFinder.findOne( poURL );
    }

    @Override
    protected String getBackRefOnUnWire( String pBackRefAttributeNameOnNewThem )
    {
        return new PO_VarURLstringHelper( mDBValue.toString() ).getPersistedObjectAttributeName();
    }

    /**
     * @param pNewThem !null
     */
    @Override
    protected final Object LL_extract_db_value( PersistentObjectImpl pNewThem, String pBackRefAttributeNameOnNewThem )
    {
        return new PO_VarURLstringHelper( pBackRefAttributeNameOnNewThem, pNewThem ).toString();
    }
}