Examples of com.mysql.clusterj.core.store.ResultData

com.mysql.clusterj.core.store.ResultData

        session.startAutoTransaction();
        // set up results and table information
        List<T> resultList = new ArrayList<T>();
        try {
            // execute the query
            ResultData resultData = getResultData(context);
            // put the result data into the result list
            while (resultData.next()) {
                T row = (T) session.newInstance(cls);
                ValueHandler handler =domainTypeHandler.getValueHandler(row);
                // set values from result set into object
                domainTypeHandler.objectSetValues(resultData, handler);
                resultList.add(row);

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            CandidateIndexImpl.getIndexForNullWhereClause():
            where.getBestCandidateIndex(context);
        ScanType scanType = index.getScanType();
        Map<String, Object> explain = newExplain(index, scanType);
        context.setExplain(explain);
        ResultData result = null;
        Index storeIndex;


        switch (scanType) {


            case PRIMARY_KEY: {

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    public <T> T initializeFromDatabase(DomainTypeHandler<T> domainTypeHandler,
            T instance,
            ValueHandler instanceHandler, ValueHandler keyHandler) {
        startAutoTransaction();
        try {
            ResultData rs = selectUnique(domainTypeHandler, keyHandler, null);
            if (rs.next()) {
                // we have a result; initialize the instance
                if (instanceHandler == null) {
                    if (logger.isDetailEnabled()) logger.detail("Creating instanceHandler for class " + domainTypeHandler.getName() + " table: " + domainTypeHandler.getTableName() + keyHandler.pkToString(domainTypeHandler));
                    // we need both a new instance and its handler
                    instance = domainTypeHandler.newInstance();

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        final Operation op = clusterTransaction.getSelectOperation(storeTable);
        // set the keys into the operation
        domainTypeHandler.operationSetKeys(instanceHandler, op);
        // set the expected columns into the operation
        domainTypeHandler.operationGetValues(op);
        final ResultData rs = op.resultData(false);
        final SessionImpl cacheManager = this;
        // defer execution of the key operation until the next find, flush, or query
        Runnable postExecuteOperation = new Runnable() {
            public void run() {
                if (rs.next()) {
                    // found row in database
                    instanceHandler.found(Boolean.TRUE);
                   // put the results into the instance
                    domainTypeHandler.objectSetValues(rs, instanceHandler);
                    // set the cache manager to track updates

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        // set the keys into the operation
        domainTypeHandler.operationSetKeys(keyHandler, op);
        // set the expected columns into the operation
        domainTypeHandler.operationGetValues(op);
        // execute the select and get results
        ResultData rs = op.resultData();
        return rs;
    }

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        return result;
    }


    @Override
    public ResultData resultData() {
        ResultData result = new ScanResultDataImpl(ndbScanOperation, storeColumns,
                maximumColumnId, bufferSize, offsets, lengths, maximumColumnLength, bufferManager);
        clusterTransaction.executeNoCommit(false, true);
        return result;
    }

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//                    domainTypeHandler.getValueHandler(sm),
//                    domainTypeHandler.createKeyValueHandler(id.getIdObject()));
                // initialize via OpenJPA protocol
                // select all columns from table
                ValueHandler keyValueHandler = domainTypeHandler.createKeyValueHandler(id.getIdObject());
                ResultData resultData = session.selectUnique(domainTypeHandler,
                        keyValueHandler,
                        null);
                // create an OpenJPA Result from the ndb result data
                NdbOpenJPAResult result = new NdbOpenJPAResult(resultData, domainTypeHandler, null);
                if (result.next()) {

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     * @return the result of the query
     */
    public NdbOpenJPAResult executeQuery(DomainTypeHandler<?> domainTypeHandler,
            QueryDomainType<?> queryDomainType, Map<String, Object> parameterMap) {
        QueryExecutionContextImpl context = new QueryExecutionContextImpl(session, parameterMap);
        ResultData resultData = context.getResultData(queryDomainType);
        NdbOpenJPAResult result = new NdbOpenJPAResult(resultData, domainTypeHandler, null);
        return result;
    }

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            SessionSPI session = interceptor.getSession();
            Map<String, Object> parameters = createParameterMap(queryDomainType, parameterBindings, 0, count);
            QueryExecutionContext context = new QueryExecutionContextImpl(session, parameters);
            session.startAutoTransaction();
            try {
                ResultData resultData = queryDomainType.getResultData(context);
                // session.endAutoTransaction();
                return new ResultSetInternalMethodsImpl(resultData, columnNumberToFieldNumberMap, 
                        columnNameToFieldNumberMap, session);
            } catch (Exception e) {
                e.printStackTrace();

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            domainTypeHandler.operationGetKeys(op);
            for (NdbOpenJPADomainFieldHandlerImpl fieldHandler : fieldHandlers) {
                fieldHandler.operationGetValue(op);
                fieldsInResult.set(fieldHandler.getFieldNumber());
            }
            ResultData resultData = op.resultData();
            NdbOpenJPAResult result = new NdbOpenJPAResult(resultData, domainTypeHandler, fieldsInResult);
            session.endAutoTransaction();
            return result;
        } catch (RuntimeException ex) {
            session.failAutoTransaction();

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Related Classes of com.mysql.clusterj.core.store.ResultData

com.mysql.clusterj.core.query.QueryDomainTypeImpl

com.mysql.clusterj.core.SessionImpl

com.mysql.clusterj.jdbc.SQLExecutor$Select

com.mysql.clusterj.openjpa.NdbOpenJPAStoreManager

com.mysql.clusterj.tie.ScanOperationImpl

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