Examples of org.jpox.store.mapped.DatastoreClass

org.jpox.store.mapped.DatastoreClass
Representation of a Java class in a datastore. In the case of RDBMS this will be a table (primary or secondary). In the case of a file-based structure this may be a directory. In the case of an XML-based structure this may be an element. @version $Revision: 1.37 $

            MappedStoreManager srm = qs.getStoreManager();
            int relationType = fmd.getRelationType(clr);
            if (relationType == Relation.ONE_TO_ONE_BI)
            {
                // Create an expression joining to the related field in the related table
                DatastoreClass targetTable = srm.getDatastoreClass(fmd.getTypeName(), clr);
                AbstractMemberMetaData[] relatedMmds = fmd.getRelatedMemberMetaData(clr);
                // TODO Cater for more than one related field
                JavaTypeMapping refMapping = targetTable.getFieldMapping(relatedMmds[0]);
                JavaTypeMapping selectMapping = targetTable.getIDMapping();
                DatastoreIdentifier targetTableIdentifier =
                    srm.getIdentifierFactory().newIdentifier(IdentifierFactory.TABLE, "RELATED" + fmd.getAbsoluteFieldNumber());
                LogicSetExpression targetTe = qs.newTableExpression(targetTable, targetTableIdentifier);
                return new ObjectExpression(qs, this, te, refMapping, targetTe, selectMapping);
            }

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        int totalFieldCount = cmd.getNoOfManagedMembers() + cmd.getNoOfInheritedManagedMembers();
        final StatementExpressionIndex[] statementExpressionIndex = new StatementExpressionIndex[totalFieldCount];
        int paramIndex = 0;


        final MappedStoreManager storeMgr = (MappedStoreManager)om.getStoreManager();
        DatastoreClass datastoreClass = storeMgr.getDatastoreClass(cmd.getFullClassName(), clr);
        final int[] pkFieldNumbers = cmd.getPKMemberPositions();


        for (int i=0; i<pkFieldNumbers.length; ++i)
        {
            AbstractMemberMetaData fmd = cmd.getMetaDataForManagedMemberAtAbsolutePosition(pkFieldNumbers[i]);
            JavaTypeMapping m = datastoreClass.getFieldMapping(fmd);
            statementExpressionIndex[fmd.getAbsoluteFieldNumber()] = new StatementExpressionIndex();
            statementExpressionIndex[fmd.getAbsoluteFieldNumber()].setMapping(m);
            int expressionsIndex[] = new int[m.getNumberOfDatastoreFields()];
            for (int j = 0; j < expressionsIndex.length; j++)
            {

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                }
            }
            else if (relationType == Relation.ONE_TO_ONE_BI && fmd.getMappedBy() != null)
            {
                // 1-1 with FK at other side
                DatastoreClass relatedTable = storeMgr.getDatastoreClass(relatedMmds[0].getClassName(), clr);
                JavaTypeMapping relatedMapping = relatedTable.getFieldMapping(relatedMmds[0]);
                boolean isNullable = relatedMapping.isNullable();
                StateManager otherSM = sm.getObjectManager().findStateManager(pc);
                if (dependent)
                {
                    if (isNullable)

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            }
        }


        ClassLoaderResolver clr = sm.getObjectManager().getClassLoaderResolver();
        String className = sm.getObject().getClass().getName();
        DatastoreClass dc = storeMgr.getDatastoreClass(className, clr);
        if (dc == null)
        {
            AbstractClassMetaData cmd = storeMgr.getOMFContext().getMetaDataManager().getMetaDataForClass(className, clr); 
            if (cmd.getInheritanceMetaData().getStrategyValue() == InheritanceStrategy.SUBCLASS_TABLE)
            {

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     * @param sm StateManager for the object being inserted
     * @param clr ClassLoader resolver
     */
    private void insertTable(DatastoreClass table, StateManager sm, ClassLoaderResolver clr)
    {
        DatastoreClass supertable = table.getSuperDatastoreClass();
        if (supertable != null)
        {
            // Process the superclass table first
            insertTable(supertable, sm, clr);
        }

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                {
                    storeMgr.getRuntimeManager().incrementFetchCount();
                }


                ClassLoaderResolver clr = sm.getObjectManager().getClassLoaderResolver();
                DatastoreClass table = storeMgr.getDatastoreClass(sm.getObject().getClass().getName(), clr);
                FetchRequest req = getFetchRequest(table, fmds, sm.getObject().getClass(), clr);
                req.execute(sm);
            }
        }
    }

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            {
                storeMgr.getRuntimeManager().incrementUpdateCount();
            }


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

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     * @param fieldMetaData MetaData for the fields being updated
     */
    private void updateTable(DatastoreClass table, StateManager sm, ClassLoaderResolver clr,
            AbstractMemberMetaData[] fieldMetaData)
    {
        DatastoreClass supertable = table.getSuperDatastoreClass();
        if (supertable != null)
        {
            // Process the superclass table first
            updateTable(supertable, sm, clr, fieldMetaData);
        }

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        {
            storeMgr.getRuntimeManager().incrementDeleteCount();
        }


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

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        // Do the actual delete of this table
        // TODO Assert if this table is not yet initialised ?
        DeleteRequest req = getDeleteRequest(table, sm.getObject().getClass(), clr);
        req.execute(sm);


        DatastoreClass supertable = table.getSuperDatastoreClass();
        if (supertable != null)
        {
            // Process the superclass table last
            deleteTable(supertable, sm, clr);
        }

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Related Classes of org.jpox.store.mapped.DatastoreClass

org.jpox.state.JDOStateManagerImpl

org.jpox.store.mapped.expression.ClassExpression

org.jpox.store.mapped.expression.LogicSetExpression

org.jpox.store.mapped.expression.ObjectExpression

org.jpox.store.mapped.expression.ObjectLiteral

org.jpox.store.mapped.expression.TableExprAsJoins

org.jpox.store.mapped.expression.TableExprAsSubjoins

org.jpox.store.mapped.expression.UnboundVariable

org.jpox.store.mapped.mapping.AbstractMappingManager

org.jpox.store.mapped.mapping.PersistenceCapableMapping

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