Package org.datanucleus.store.mapped

Examples of org.datanucleus.store.mapped.DatastoreClass

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      Key key = getPkAsKey(sm);
      entity = get(sm, key);
    }

    ClassLoaderResolver clr = sm.getObjectManager().getClassLoaderResolver();
    DatastoreClass dc = storeMgr.getDatastoreClass(sm.getObject().getClass().getName(), clr);

    DatastoreTransaction txn = EntityUtils.getCurrentTransaction(sm.getObjectManager());
    if (txn != null) {
      if (txn.getDeletedKeys().contains(entity.getKey())) {
        // need to check this _before_ we execute the dependent delete request
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      fmds[i] =
          sm.getClassMetaData().getMetaDataForManagedMemberAtAbsolutePosition(fieldNumbers[i]);
    }

    ClassLoaderResolver clr = sm.getObjectManager().getClassLoaderResolver();
    DatastoreClass dc = storeMgr.getDatastoreClass(sm.getObject().getClass().getName(), clr);
    FetchMappingConsumer consumer = new FetchMappingConsumer(sm.getClassMetaData());
    dc.provideMappingsForMembers(consumer, fmds, true);
    dc.provideDatastoreIdMappings(consumer);
    dc.providePrimaryKeyMappings(consumer);
    for (MappingCallbacks callback : consumer.getMappingCallbacks()) {
      callback.postFetch(sm);
    }
  }
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      Key key = getPkAsKey(sm);
      entity = get(sm, key);
    }

    ClassLoaderResolver clr = sm.getObjectManager().getClassLoaderResolver();
    DatastoreClass dc = storeMgr.getDatastoreClass(sm.getObject().getClass().getName(), clr);

    DatastoreTransaction txn = EntityUtils.getCurrentTransaction(sm.getObjectManager());
    if (txn != null) {
      if (txn.getDeletedKeys().contains(entity.getKey())) {
        // need to check this _before_ we execute the dependent delete request
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    MappedStoreManager storeMgr = (MappedStoreManager) sm.getStoreManager();
    ObjectManager om = sm.getObjectManager();
    ClassLoaderResolver clr = om.getClassLoaderResolver();
    AbstractMemberMetaData[] relatedMmds = fmd.getRelatedMemberMetaData(clr);
    String fullClassName = ((AbstractClassMetaData) relatedMmds[0].getParent()).getFullClassName();
    DatastoreClass refTable = storeMgr.getDatastoreClass(fullClassName, clr);
    JavaTypeMapping refMapping = refTable.getMemberMapping(fmd.getMappedBy());
    if (refMapping.isNullable()) {
      // Null out the relationship to the object being deleted.
      refMapping.setObject(om, owningEntity, new int[1], sm.getObject());

      // TODO(maxr): Do I need to manually request an update now?
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     * @return Element information relating to the element type
     */
    protected ElementInfo[] getElementInformationForClass()
    {
        ElementInfo[] info = null;
        DatastoreClass tbl;
        String[] clsNames;
        if (!clr.classForName(elementType).isInterface())
        {
            tbl = storeMgr.getDatastoreClass(elementType, clr);
            clsNames = new String[] {elementType};
        }
        else
        {
            clsNames = storeMgr.getOMFContext().getMetaDataManager().getClassesImplementingInterface(elementType, clr);
            tbl = storeMgr.getDatastoreClass(clsNames[0], clr);
        }
        if (tbl == null)
        {
            AbstractClassMetaData[] subclassCmds = storeMgr.getClassesManagingTableForClass(emd, clr);
            info = new ElementInfo[subclassCmds.length];
            for (int i=0;i<subclassCmds.length;i++)
            {
                DatastoreClass table = storeMgr.getDatastoreClass(subclassCmds[i].getFullClassName(), clr);
                info[i] = new ElementInfo(subclassCmds[i], table);
            }
        }
        else
        {
            info = new ElementInfo[clsNames.length];
            for (int i=0; i<clsNames.length; i++)
            {
                AbstractClassMetaData cmd = storeMgr.getOMFContext().getMetaDataManager().getMetaDataForClass(clsNames[i], clr);
                DatastoreClass table = storeMgr.getDatastoreClass(cmd.getFullClassName(), clr);
                info[i] = new ElementInfo(cmd, table);
            }
        }
        return info;
    }
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            {
                // PC class, so maybe has its own table
                try
                {
                    // PC class, so maybe has its own table
                    DatastoreClass clsTable = qs.getStoreManager().getDatastoreClass(cls.getName(), qs.getClassLoaderResolver());
                    m = clsTable.getMemberMapping(fieldName);
                }
                catch (Exception e)
                {
                    // PC class has no table or no such field so just get a default mapping for type
                    m = qs.getStoreManager().getMappingManager().getMappingWithDatastoreMapping(
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                String[] implNames = MetaDataUtils.getInstance().getImplementationNamesForReferenceField(ownerMemberMetaData,
                    FieldRole.ROLE_ARRAY_ELEMENT, clr);
                elementInfo = new ElementInfo[implNames.length];
                for (int i=0;i<implNames.length;i++)
                {
                    DatastoreClass table = storeMgr.getDatastoreClass(implNames[i], clr);
                    AbstractClassMetaData cmd = storeMgr.getOMFContext().getMetaDataManager().getMetaDataForClass(implNames[i], clr);
                    elementInfo[i] = new ElementInfo(cmd, table);
                }
            }
            else
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        }
        else
        {
            // Element = PC
            // Join to element table on id column(s) of element
            DatastoreClass elementTable = storeMgr.getDatastoreClass(filteredElementType.getName(), stmt.getClassLoaderResolver());
            DatastoreClass joiningClass = (elmExpr.getLogicSetExpression() == null ? elementTable : (DatastoreClass)elmExpr.getLogicSetExpression().getMainTable());
            JavaTypeMapping elementTableID = joiningClass.getIDMapping();

            /* TODO this comment is no longer valid, since we use sub queries
             * if elementType == filteredElementType
             *    INNER JOIN ELEMENT THIS_FILTER_ELEMENT_VARIABLE
             *    ON THIS_SETTABLE.ELEMENT_EID = THIS_FILTER_ELEMENT_VARIABLE.ELEMENT_ID
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                String[] implNames = MetaDataUtils.getInstance().getImplementationNamesForReferenceField(
                    ownerMemberMetaData, FieldRole.ROLE_COLLECTION_ELEMENT, clr);
                elementInfo = new ElementInfo[implNames.length];
                for (int i = 0; i < implNames.length; i++)
                {
                    DatastoreClass table = storeMgr.getDatastoreClass(implNames[i], clr);
                    AbstractClassMetaData cmd =
                        storeMgr.getOMFContext().getMetaDataManager().getMetaDataForClass(implNames[i], clr);
                    elementInfo[i] = new ElementInfo(cmd, table);
                }
            }
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        }
        else
        {
            // Element = PC
            // Join to element table on id column(s) of element
            DatastoreClass elementTable = storeMgr.getDatastoreClass(filteredElementType.getName(), clr);
            DatastoreClass joiningClass = (elementExpr.getLogicSetExpression() == null ? elementTable : (DatastoreClass) elementExpr
                    .getLogicSetExpression().getMainTable());
            JavaTypeMapping elementTableID = joiningClass.getIDMapping();

            // Get expression for the element table, allowing for it existing in this query or the parent query
            LogicSetExpression elmTblExpr = stmt.getTableExpression(elementTableAlias);
            if (elmTblExpr == null)
            {
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Related Classes of org.datanucleus.store.mapped.DatastoreClass

  • com.google.appengine.datanucleus.DatastorePersistenceHandler
  • com.google.appengine.datanucleus.EntityUtils
  • com.google.appengine.datanucleus.mapping.DatastoreTable
  • com.google.appengine.datanucleus.mapping.DependentDeleteRequest
  • com.google.appengine.datanucleus.scostore.FKListStore
  • org.datanucleus.store.appengine.DatastorePersistenceHandler
  • org.datanucleus.store.appengine.DatastoreTable
  • org.datanucleus.store.appengine.DependentDeleteRequest
  • org.datanucleus.store.mapped.expression.ClassExpression
  • org.datanucleus.store.mapped.expression.LogicSetExpression
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