Package org.datanucleus.metadata

Examples of org.datanucleus.metadata.AbstractMemberMetaData

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            // and join via INNER JOIN
        }

        RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
        MetaDataManager mmgr = storeMgr.getMetaDataManager();
        AbstractMemberMetaData mmd = mapExpr.getJavaTypeMapping().getMemberMetaData();
        AbstractClassMetaData valCmd = mmd.getMap().getValueClassMetaData(clr, mmgr);
        if (mmd.getMap().getMapType() == MapType.MAP_TYPE_JOIN)
        {
            // Map formed in join table - add join to join table, then to value table (if present)
            MapTable mapTbl = (MapTable)storeMgr.getDatastoreContainerObject(mmd);
            SQLTable joinSqlTbl = stmt.innerJoin(mapExpr.getSQLTable(), mapExpr.getSQLTable().getTable().getIdMapping(),
                mapTbl, null, mapTbl.getOwnerMapping(), null, null);
            if (valCmd != null)
            {
                if (valIsUnbound)
                {
                    DatastoreClass valTbl = storeMgr.getDatastoreClass(valCmd.getFullClassName(), clr);
                    SQLTable valSqlTbl = stmt.innerJoin(joinSqlTbl, mapTbl.getValueMapping(),
                        valTbl, valAlias, valTbl.getIdMapping(), null, null);

                    // Bind the variable in the QueryGenerator
                    valExpr = exprFactory.newExpression(stmt, valSqlTbl, valSqlTbl.getTable().getIdMapping());
                    stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                        valExpr.getJavaTypeMapping());
                }
                else
                {
                    // Add restrict to value
                    SQLExpression valIdExpr = exprFactory.newExpression(stmt, joinSqlTbl, mapTbl.getValueMapping());
                    stmt.whereAnd(valIdExpr.eq(valExpr), true);
                }
            }
            else
            {
                if (valIsUnbound)
                {
                    // Bind the variable in the QueryGenerator
                    valExpr = exprFactory.newExpression(stmt, joinSqlTbl, mapTbl.getValueMapping());
                    stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                        valExpr.getJavaTypeMapping());
                }
                else
                {
                    // Add restrict to value
                    SQLExpression valIdExpr = exprFactory.newExpression(stmt, joinSqlTbl, mapTbl.getValueMapping());
                    stmt.whereAnd(valIdExpr.eq(valExpr), true);
                }
            }
        }
        else if (mmd.getMap().getMapType() == MapType.MAP_TYPE_KEY_IN_VALUE)
        {
            // Map formed in value table - add join to value table
            DatastoreClass valTbl = storeMgr.getDatastoreClass(valCmd.getFullClassName(), clr);
            JavaTypeMapping ownerMapping = null;
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = valTbl.getMemberMapping(valCmd.getMetaDataForMember(mmd.getMappedBy()));
            }
            else
            {
                ownerMapping = valTbl.getExternalMapping(mmd, MappingConsumer.MAPPING_TYPE_EXTERNAL_FK);
            }
            SQLTable valSqlTbl = stmt.innerJoin(mapExpr.getSQLTable(), mapExpr.getSQLTable().getTable().getIdMapping(),
                valTbl, valAlias, ownerMapping, null, null);

            if (valIsUnbound)
            {
                // Bind the variable in the QueryGenerator
                valExpr = exprFactory.newExpression(stmt, valSqlTbl, valTbl.getIdMapping());
                stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                    valExpr.getJavaTypeMapping());
            }
            else
            {
                // Add restrict to value
                SQLExpression valIdExpr = exprFactory.newExpression(stmt, valSqlTbl, valTbl.getIdMapping());
                stmt.whereAnd(valIdExpr.eq(valExpr), true);
            }
        }
        else if (mmd.getMap().getMapType() == MapType.MAP_TYPE_VALUE_IN_KEY)
        {
            // Map formed in key table - add join to key table then to value table
            AbstractClassMetaData keyCmd = mmd.getMap().getKeyClassMetaData(clr, mmgr);
            DatastoreClass keyTbl = storeMgr.getDatastoreClass(keyCmd.getFullClassName(), clr);
            AbstractMemberMetaData keyValMmd =
                keyCmd.getMetaDataForMember(mmd.getValueMetaData().getMappedBy());
            JavaTypeMapping ownerMapping = null;
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = keyTbl.getMemberMapping(keyCmd.getMetaDataForMember(mmd.getMappedBy()));
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            // TODO What if the variable is declared as a subtype, handle this see CollectionContainsMethod
        }

        RDBMSStoreManager storeMgr = stmt.getRDBMSManager();
        MetaDataManager mmgr = storeMgr.getMetaDataManager();
        AbstractMemberMetaData mmd = mapExpr.getJavaTypeMapping().getMemberMetaData();
        AbstractClassMetaData valCmd = mmd.getMap().getValueClassMetaData(clr, mmgr);
        MapTable joinTbl = (MapTable)storeMgr.getDatastoreContainerObject(mmd);
        SQLStatement subStmt = null;
        if (mmd.getMap().getMapType() == MapType.MAP_TYPE_JOIN)
        {
            // JoinTable Map
            if (valCmd == null)
            {
                // Map<?, Non-PC>
                subStmt = new SQLStatement(stmt, storeMgr, joinTbl, null, null);
                subStmt.setClassLoaderResolver(clr);
                JavaTypeMapping oneMapping = storeMgr.getMappingManager().getMapping(Integer.class);
                subStmt.select(exprFactory.newLiteral(subStmt, oneMapping, 1), null);

                // Restrict to map owner
                JavaTypeMapping ownerMapping = ((JoinTable)joinTbl).getOwnerMapping();
                SQLExpression ownerExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), ownerMapping);
                SQLExpression ownerIdExpr = exprFactory.newExpression(stmt, mapExpr.getSQLTable(),
                    mapExpr.getSQLTable().getTable().getIdMapping());
                subStmt.whereAnd(ownerExpr.eq(ownerIdExpr), true);

                if (valIsUnbound)
                {
                    // Bind the variable in the QueryGenerator
                    valExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), joinTbl.getValueMapping());
                    stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                        valExpr.getJavaTypeMapping());
                }
                else
                {
                    // Add restrict to value
                    SQLExpression valIdExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(),
                        joinTbl.getValueMapping());
                    subStmt.whereAnd(valIdExpr.eq(valExpr), true);
                }
            }
            else
            {
                // Map<?, PC>
                DatastoreClass valTbl = storeMgr.getDatastoreClass(mmd.getMap().getValueType(), clr);
                subStmt = new SQLStatement(stmt, storeMgr, valTbl, null, null);
                subStmt.setClassLoaderResolver(clr);
                JavaTypeMapping oneMapping = storeMgr.getMappingManager().getMapping(Integer.class);
                subStmt.select(exprFactory.newLiteral(subStmt, oneMapping, 1), null);

                // Join to join table
                SQLTable joinSqlTbl = subStmt.innerJoin(subStmt.getPrimaryTable(), valTbl.getIdMapping(),
                    joinTbl, null, joinTbl.getValueMapping(), null, null);

                // Restrict to map owner
                JavaTypeMapping ownerMapping = joinTbl.getOwnerMapping();
                SQLExpression ownerExpr = exprFactory.newExpression(subStmt, joinSqlTbl, ownerMapping);
                SQLExpression ownerIdExpr = exprFactory.newExpression(stmt, mapExpr.getSQLTable(),
                    mapExpr.getSQLTable().getTable().getIdMapping());
                subStmt.whereAnd(ownerExpr.eq(ownerIdExpr), true);

                if (valIsUnbound)
                {
                    // Bind the variable in the QueryGenerator
                    valExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), valTbl.getIdMapping());
                    stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                        valExpr.getJavaTypeMapping());
                }
                else
                {
                    // Add restrict to value
                    SQLExpression valIdExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(),
                        valTbl.getIdMapping());
                    subStmt.whereAnd(valIdExpr.eq(valExpr), true);
                }
            }
        }
        else if (mmd.getMap().getMapType() == MapType.MAP_TYPE_KEY_IN_VALUE)
        {
            // Key stored in value table
            DatastoreClass valTbl = storeMgr.getDatastoreClass(mmd.getMap().getValueType(), clr);
            JavaTypeMapping ownerMapping = null;
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = valTbl.getMemberMapping(valCmd.getMetaDataForMember(mmd.getMappedBy()));
            }
            else
            {
                ownerMapping = valTbl.getExternalMapping(mmd, MappingConsumer.MAPPING_TYPE_EXTERNAL_FK);
            }

            subStmt = new SQLStatement(stmt, storeMgr, valTbl, null, null);
            subStmt.setClassLoaderResolver(clr);
            JavaTypeMapping oneMapping = storeMgr.getMappingManager().getMapping(Integer.class);
            subStmt.select(exprFactory.newLiteral(subStmt, oneMapping, 1), null);

            // Restrict to map owner (on value table)
            SQLExpression ownerExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), ownerMapping);
            SQLExpression ownerIdExpr = exprFactory.newExpression(stmt, mapExpr.getSQLTable(),
                mapExpr.getSQLTable().getTable().getIdMapping());
            subStmt.whereAnd(ownerExpr.eq(ownerIdExpr), true);

            if (valIsUnbound)
            {
                // Bind the variable in the QueryGenerator
                valExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), valTbl.getIdMapping());
                stmt.getQueryGenerator().bindVariable(varName, valCmd, valExpr.getSQLTable(),
                    valExpr.getJavaTypeMapping());
            }
            else
            {
                // Add restrict to value
                JavaTypeMapping valMapping = valTbl.getIdMapping();
                SQLExpression valIdExpr = exprFactory.newExpression(subStmt, subStmt.getPrimaryTable(), valMapping);
                subStmt.whereAnd(valIdExpr.eq(valExpr), true);
            }
        }
        else if (mmd.getMap().getMapType() == MapType.MAP_TYPE_VALUE_IN_KEY)
        {
            AbstractClassMetaData keyCmd = mmd.getMap().getKeyClassMetaData(clr, mmgr);
            DatastoreClass keyTbl = storeMgr.getDatastoreClass(mmd.getMap().getKeyType(), clr);
            JavaTypeMapping ownerMapping = null;
            if (mmd.getMappedBy() != null)
            {
                ownerMapping = keyTbl.getMemberMapping(keyCmd.getMetaDataForMember(mmd.getMappedBy()));
            }
            else
            {
                ownerMapping = keyTbl.getExternalMapping(mmd, MappingConsumer.MAPPING_TYPE_EXTERNAL_FK);
            }

            AbstractMemberMetaData keyValMmd =
                keyCmd.getMetaDataForMember(mmd.getValueMetaData().getMappedBy());
            if (valCmd == null)
            {
                subStmt = new SQLStatement(stmt, storeMgr, keyTbl, null, null);
                subStmt.setClassLoaderResolver(clr);
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        }

        if (ownerSM != null && !delegate.isEmpty())
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                Iterator iter = delegate.iterator();
                while (iter.hasNext())
                {
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        }

        if (ownerSM != null && allowCascadeDelete)
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                ownerSM.getExecutionContext().deleteObjectInternal(element);
            }
        }
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        }

        if (ownerSM != null && elements != null && !elements.isEmpty())
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                Iterator iter = elements.iterator();
                while (iter.hasNext())
                {
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    public void attachCopy(Object value)
    {
        java.util.Collection c = (java.util.Collection) value;

        // Attach all of the elements in the new list
        AbstractMemberMetaData fmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
        boolean elementsWithoutIdentity = SCOUtils.collectionHasElementsWithoutIdentity(fmd);

        java.util.List attachedElements = new java.util.ArrayList(c.size());
        SCOUtils.attachCopyForCollection(ownerSM, c.toArray(), attachedElements, elementsWithoutIdentity);
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    public synchronized void clear()
    {
        if (ownerSM != null && !delegate.isEmpty())
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                Iterator iter = delegate.iterator();
                while (iter.hasNext())
                {
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        boolean success = delegate.remove(element);

        if (ownerSM != null && allowCascadeDelete)
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                ownerSM.getExecutionContext().deleteObjectInternal(element);
            }
        }
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        boolean success = delegate.removeAll(elements);

        if (ownerSM != null && elements != null && !elements.isEmpty())
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                Iterator iter = elements.iterator();
                while (iter.hasNext())
                {
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        Object element = delegate.remove(index);

        if (ownerSM != null)
        {
            // Cascade delete
            AbstractMemberMetaData mmd = ownerSM.getClassMetaData().getMetaDataForMember(fieldName);
            if (SCOUtils.hasDependentElement(mmd))
            {
                ownerSM.getExecutionContext().deleteObjectInternal(element);
            }
        }
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  • com.google.appengine.datanucleus.query.DatastoreQuery
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  • com.google.appengine.datanucleus.SerializationManagerTest
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