Package org.datanucleus.store.mapped

Examples of org.datanucleus.store.mapped.DatastoreContainerObject

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                    AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
                    if (mmd.getJoinMetaData() != null || relatedMmds[0].getJoinMetaData() != null)
                    {
                        // N-1 bidirectional join table relation
                        // Add left outer join from {sourceTable}.ID to {joinTable}.ELEM_FK
                        DatastoreContainerObject joinTable =
                            storeMgr.getDatastoreContainerObject(relatedMmds[0]);
                        DatastoreElementContainer collTable = (DatastoreElementContainer)joinTable;
                        JavaTypeMapping selectMapping = collTable.getOwnerMapping();
                        SQLTable joinSqlTbl = null;
                        if (stmt.getPrimaryTable().getTable() != joinTable)
                        {
                            // Join to the join table
                            JavaTypeMapping referenceMapping = collTable.getElementMapping();
                            joinSqlTbl = stmt.leftOuterJoin(sourceSqlTbl,
                                sourceSqlTbl.getTable().getIdMapping(),
                                collTable, null, referenceMapping, null, tableGroupName);
                        }
                        else
                        {
                            // Main table of the statement is the join table so no need to join
                            joinSqlTbl = stmt.getPrimaryTable();
                        }

                        // Select the owner mapping of the join table
                        int[] colNumbers = stmt.select(joinSqlTbl, selectMapping, null);
                        stmtMapping.setColumnPositions(colNumbers);
                    }
                    // TODO Select fetch plan fields of this related object
                }
                else if (relationType == Relation.MANY_TO_ONE_UNI)
                {
                    // Add left outer join from {sourceTable}.ID to {joinTable}.OWNER_FK
                    PersistableJoinTable joinTable = (PersistableJoinTable) storeMgr.getDatastoreContainerObject(mmd);
                    SQLTable joinSqlTbl = stmt.leftOuterJoin(sourceSqlTbl,
                        sourceSqlTbl.getTable().getIdMapping(),
                        joinTable, null, joinTable.getOwnerMapping(), null, tableGroupName);

                    int[] colNumbers = stmt.select(joinSqlTbl, joinTable.getRelatedMapping(), null);
                    stmtMapping.setColumnPositions(colNumbers);
                    // TODO Select fetch plan fields of this related object
                }
            }
            if (mappingDefinition != null)
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    {
        if (indexOfStmt == null)
        {
            JavaTypeMapping ownerMapping = ecs.getOwnerMapping();
            JavaTypeMapping orderMapping = ecs.getOrderMapping();
            DatastoreContainerObject containerTable = ecs.getContainerTable();
            JavaTypeMapping elementMapping = ecs.getElementMapping();
            JavaTypeMapping relationDiscriminatorMapping = ecs.getRelationDiscriminatorMapping();

            StringBuffer stmt = new StringBuffer();
            stmt.append("SELECT ");
            for (int i = 0; i < orderMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
                {
                    stmt.append(",");
                }
                stmt.append(orderMapping.getDatastoreMapping(i).getDatastoreField().getIdentifier().toString());
            }
            stmt.append(" FROM ");
            stmt.append(containerTable.toString());
            stmt.append(" WHERE ");
            for (int i = 0; i < ownerMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
                {
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    {
        if (lastIndexOfStmt == null)
        {
            JavaTypeMapping ownerMapping = ecs.getOwnerMapping();
            JavaTypeMapping orderMapping = ecs.getOrderMapping();
            DatastoreContainerObject containerTable = ecs.getContainerTable();
            JavaTypeMapping elementMapping = ecs.getElementMapping();
            JavaTypeMapping relationDiscriminatorMapping = ecs.getRelationDiscriminatorMapping();

            StringBuffer stmt = new StringBuffer();
            stmt.append("SELECT ");
            for (int i = 0; i < orderMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
                {
                    stmt.append(",");
                }
                stmt.append(orderMapping.getDatastoreMapping(i).getDatastoreField().getIdentifier().toString());
            }
            stmt.append(" FROM ");
            stmt.append(containerTable.toString());
            stmt.append(" WHERE ");

            for (int i = 0; i < ownerMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
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    {
        if (removeAtStmt == null)
        {
            JavaTypeMapping ownerMapping = ecs.getOwnerMapping();
            JavaTypeMapping orderMapping = ecs.getOrderMapping();
            DatastoreContainerObject containerTable = ecs.getContainerTable();
            JavaTypeMapping relationDiscriminatorMapping = ecs.getRelationDiscriminatorMapping();

            StringBuffer stmt = new StringBuffer();
            stmt.append("DELETE FROM ");
            stmt.append(containerTable.toString());
            stmt.append(" WHERE ");

            for (int i = 0; i < ownerMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
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    {
        if (shiftStmt == null)
        {
            JavaTypeMapping ownerMapping = ecs.getOwnerMapping();
            JavaTypeMapping orderMapping = ecs.getOrderMapping();
            DatastoreContainerObject containerTable = ecs.getContainerTable();
            JavaTypeMapping relationDiscriminatorMapping = ecs.getRelationDiscriminatorMapping();

            StringBuffer stmt = new StringBuffer();
            stmt.append("UPDATE ");
            stmt.append(containerTable.toString());
            stmt.append(" SET ");

            for (int i = 0; i < orderMapping.getNumberOfDatastoreMappings(); i++)
            {
                if (i > 0)
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     */
    protected String getIndicesOfStmt(Collection elements, ElementContainerStore ecs)
    {
        JavaTypeMapping ownerMapping = ecs.getOwnerMapping();
        JavaTypeMapping orderMapping = ecs.getOrderMapping();
        DatastoreContainerObject containerTable = ecs.getContainerTable();
        JavaTypeMapping elementMapping = ecs.getElementMapping();
        JavaTypeMapping relationDiscriminatorMapping = ecs.getRelationDiscriminatorMapping();

        StringBuffer stmt = new StringBuffer();
        stmt.append("SELECT ");
        for (int i = 0; i < orderMapping.getNumberOfDatastoreMappings(); i++)
        {
            if (i > 0)
            {
                stmt.append(",");
            }
            stmt.append(orderMapping.getDatastoreMapping(i).getDatastoreField().getIdentifier().toString());
        }
        stmt.append(" FROM ");
        stmt.append(containerTable.toString());
        stmt.append(" WHERE ");
        Iterator iter = elements.iterator();
        boolean first_element = true;
        while (iter.hasNext())
        {
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        }
        else
        {
            AbstractMemberMetaData mmd = getMetaDataManager().getMetaDataForMember(im.className, im.fieldName, clr);
            m = ct.getMemberMapping(mmd);
            DatastoreContainerObject t = getDatastoreContainerObject(mmd);
            if (im.subfieldName == null)
            {
                if (t != null)
                {
                    im.value = t.getIdentifier().toString();
                    return;
                }
            }
            else
            {
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                    mmd.getFullFieldName(), mmd.toString()));
            }
        }

        // Check if the join table already exists
        DatastoreContainerObject joinTable = getDatastoreContainerObject(mmd);
        if (joinTable != null)
        {
            return joinTable;
        }
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        MetaDataManager mmgr = storeMgr.getMetaDataManager();

        JavaTypeMapping ownerMapping = null;
        JavaTypeMapping keyMapping = null;
        JavaTypeMapping valMapping = null;
        DatastoreContainerObject mapTbl = null;
        if (mapmd.getMapType() == MapType.MAP_TYPE_JOIN)
        {
            // JoinTable
            mapTbl = storeMgr.getDatastoreContainerObject(mmd);
            ownerMapping = ((MapTable)mapTbl).getOwnerMapping();
            keyMapping = ((MapTable)mapTbl).getKeyMapping();
            valMapping = ((MapTable)mapTbl).getValueMapping();
        }
        else if (mapmd.getMapType() == MapType.MAP_TYPE_KEY_IN_VALUE)
        {
            // ForeignKey from value table to key
            AbstractClassMetaData valCmd = mapmd.getValueClassMetaData(clr, mmgr);
            mapTbl = storeMgr.getDatastoreClass(mmd.getMap().getValueType(), clr);
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = mapTbl.getMemberMapping(valCmd.getMetaDataForMember(mmd.getMappedBy()));
            }
            else
            {
                ownerMapping = ((DatastoreClass)mapTbl).getExternalMapping(mmd, MappingConsumer.MAPPING_TYPE_EXTERNAL_FK);
            }
            String keyFieldName = mmd.getKeyMetaData().getMappedBy();
            AbstractMemberMetaData valKeyMmd = valCmd.getMetaDataForMember(keyFieldName);
            keyMapping = mapTbl.getMemberMapping(valKeyMmd);
            valMapping = mapTbl.getIdMapping();
        }
        else if (mapmd.getMapType() == MapType.MAP_TYPE_VALUE_IN_KEY)
        {
            // ForeignKey from key table to value
            AbstractClassMetaData keyCmd = mapmd.getKeyClassMetaData(clr, mmgr);
            mapTbl = storeMgr.getDatastoreClass(mmd.getMap().getKeyType(), clr);
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = mapTbl.getMemberMapping(keyCmd.getMetaDataForMember(mmd.getMappedBy()));
            }
            else
            {
                ownerMapping = ((DatastoreClass)mapTbl).getExternalMapping(mmd, MappingConsumer.MAPPING_TYPE_EXTERNAL_FK);
            }
            keyMapping = mapTbl.getIdMapping();
            String valFieldName = mmd.getValueMetaData().getMappedBy();
            AbstractMemberMetaData keyValMmd = keyCmd.getMetaDataForMember(valFieldName);
            valMapping = mapTbl.getMemberMapping(keyValMmd);
        }
        else
        {
            throw new NucleusException("Invalid map for " + mapExpr + " in get() call");
        }
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        RDBMSStoreManager storeMgr = stmt.getRDBMSManager();

        JavaTypeMapping ownerMapping = null;
        JavaTypeMapping indexMapping = null;
        JavaTypeMapping elemMapping = null;
        DatastoreContainerObject listTbl = null;
        if (mmd != null)
        {
            AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
            if (mmd.getJoinMetaData() != null || relatedMmds != null && relatedMmds[0].getJoinMetaData() != null)
            {
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Related Classes of org.datanucleus.store.mapped.DatastoreContainerObject

  • org.datanucleus.store.appengine.DatastoreMappingManager
  • org.datanucleus.store.mapped.expression.ExpressionHelper
  • org.datanucleus.store.mapped.expression.ObjectExpression
  • org.datanucleus.store.mapped.expression.TableExprAsJoins
  • org.datanucleus.store.mapped.expression.TableExprAsSubjoins
  • org.datanucleus.store.mapped.expression.TableExprAsSubquery
  • org.datanucleus.store.mapped.mapping.PersistenceCapableMapping
  • org.datanucleus.store.mapped.scostore.FKArrayStore
  • org.datanucleus.store.mapped.scostore.FKListStore
  • org.datanucleus.store.mapped.scostore.FKMapStore
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