Package org.datanucleus.store.mapped.expression

Examples of org.datanucleus.store.mapped.expression.LogicSetExpression


                // TODO Cater for more than one related field
                JavaTypeMapping refMapping = targetTable.getMemberMapping(relatedMmds[0]);
                JavaTypeMapping selectMapping = targetTable.getIDMapping();
                DatastoreIdentifier targetTableIdentifier =
                    srm.getIdentifierFactory().newIdentifier(IdentifierType.TABLE, "RELATED" + mmd.getAbsoluteFieldNumber());
                LogicSetExpression targetTe = qs.newTableExpression(targetTable, targetTableIdentifier);
                return new ObjectExpression(qs, this, te, refMapping, targetTe, selectMapping);
            }
            else if (relationType == Relation.MANY_TO_ONE_BI)
            {
                AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
                // TODO Cater for more than one related field
                if (mmd.getJoinMetaData() != null || relatedMmds[0].getJoinMetaData() != null)
                {
                    // Join table relation - only allows for Collection/Array
                    // Create an expression this table to the join table on the element id, selecting the owner id
                    DatastoreContainerObject targetTable = srm.getDatastoreContainerObject(relatedMmds[0]);
                    JavaTypeMapping refMapping = null;
                    JavaTypeMapping selectMapping = null;
                    DatastoreElementContainer elementTable = (DatastoreElementContainer)targetTable;
                    refMapping = elementTable.getElementMapping();
                    selectMapping = elementTable.getOwnerMapping();
                    DatastoreIdentifier targetTableIdentifier =
                        srm.getIdentifierFactory().newIdentifier(IdentifierType.TABLE, "JOINTABLE" + mmd.getAbsoluteFieldNumber());
                    LogicSetExpression targetTe = qs.newTableExpression(targetTable, targetTableIdentifier);
                    return new ObjectExpression(qs, this, te, refMapping, targetTe, selectMapping);
                }
            }
        }
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