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// 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 LazyLoadToOneRegular<Owner extends PersistentObjectImpl, Them extends PersistentObjectImpl> extends AbstractLazyLoadToOne<Owner, Them>
{
    protected AttributeAccessorSCDtoOneRegular<Owner, Them> mSCDtoOneRegular;
    protected MetaDataForPO mThierMetaData;
    protected final String mThierKeyAttribute;

    public LazyLoadToOneRegular( Owner pOwner, AttributeAccessorSCDtoOneRegular<Owner, Them> pSCDtoOneRegular )
    {
        super( pOwner, pSCDtoOneRegular );
        mSCDtoOneRegular = pSCDtoOneRegular;
        mThierMetaData = getPOMetaDataRequired( pSCDtoOneRegular.getToThemName() );
        mThierKeyAttribute = pSCDtoOneRegular.getToOneKeyAttribute();
    }

    @Override
    public final AttributeAccessorSCDtoOneRegular<Owner, Them> getSCDtoOne()
    {
        return mSCDtoOneRegular;
    }

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

    /**
     * Note Only called when the New Them is NOT the same as the Old Them
     *
     * @param pNewThem Nullable
     */
    public final void setValue( Them pNewThem )
    {
        LL_setValue( pNewThem, getSCDtoOne().getBackReference() );
    }

    @Override
    protected String getBackRefOnUnWire( String pBackRefAttributeNameOnNewThem )
    {
        return getSCDtoOne().getBackReference();
    }

    /**
     * @param pNewThem !null
     */
    public final Object extract_db_value( Them pNewThem )
    {
        return LL_extract_db_value( pNewThem, null );
    }

    /**
     * @param pDBValue !null
     */
    @Override
    protected final PersistentObject<?> LL_loadValueWithNonNull( Object pDBValue )
    {
        PersistentObjectUniqueKey zPOUK = new UniqueKeySingle( mThierMetaData.getAccessorSCDrequired( mThierKeyAttribute ), pDBValue );
        return mOwner.getFinder().findOne( mThierMetaData.getPOregistrationName(), zPOUK );
    }

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

Commits for litesoft/trunk/Java/core/Server/src/org/litesoft/orsup/lazyload/LazyLoadToOneRegular.java

Diff revisions: vs.
Revision Author Commited Message
151 Diff Diff GeorgeS picture GeorgeS Thu 17 Mar, 2011 04:16:22 +0000
49 Diff Diff GeorgeS picture GeorgeS Mon 12 Apr, 2010 02:59:10 +0000

License Text

24 Diff Diff GeorgeS picture GeorgeS Wed 24 Feb, 2010 01:51:38 +0000
2 GeorgeS picture GeorgeS Sun 07 Feb, 2010 12:50:58 +0000