litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.orsup.nonpublic; import java.util.*; public class AbstractPONames implements PONamesAccessor { private final AbstractPONames mBuiltBy; private final String mObjectName; private final String mDataStoreName; protected final String mParentPath; private final Map mRelationCache = new HashMap(); private final Map mCollectionCache = new HashMap(); public AbstractPONames( AbstractPONames pBuiltBy, String pObjectName, String pDataStoreName, String pParentPath ) { mBuiltBy = pBuiltBy; mObjectName = pObjectName; mDataStoreName = pDataStoreName; mParentPath = pParentPath; } @Override public String getObjectName() { return mObjectName; } @Override public String getDataStoreName() { return mDataStoreName; } @Override public String getPath() { return mParentPath; } @Override public String toString() { if ( mBuiltBy == null ) { return initialSource(); } return initialSource() + DottedReference.SEPERATOR + mParentPath + " --> " + mObjectName; } private String initialSource() { String lastObjectName = mObjectName; for ( AbstractPONames bb = mBuiltBy; bb != null; bb = bb.mBuiltBy ) { lastObjectName = bb.mObjectName; } return lastObjectName + "Names.INSTANCE"; } protected interface IFactory { AbstractPONames createToOne( AbstractPONames pBuiltBy, String pParentPath ); AbstractPONames createToMany( String pCollectionPath ); } protected AbstractPONames toOne( AbstractPONames pBuiltBy, String pAttribReference, IFactory pFactory ) { synchronized ( mRelationCache ) { AbstractPONames poNames = (AbstractPONames) mRelationCache.get( pAttribReference ); if ( (poNames != null) ) { return poNames; } poNames = pFactory.createToOne( pBuiltBy, pAttribReference + DottedReference.SEPERATOR ); //noinspection unchecked mRelationCache.put( pAttribReference, poNames ); return poNames; } } protected AbstractPONames toMany( AbstractPONames pBuiltBy, String pAttribReference, IFactory pFactory ) { synchronized ( mCollectionCache ) { AbstractPONames poNames = (AbstractPONames) mCollectionCache.get( pAttribReference ); if ( (poNames != null) ) { return poNames; } poNames = pFactory.createToMany( pAttribReference ); //noinspection unchecked mCollectionCache.put( pAttribReference, poNames ); return poNames; } } } |