Package com.espertech.esper.epl.db

Examples of com.espertech.esper.epl.db.DataCache

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        validatedExprNodes = desc.getChildEvals();
    }

    public EventTable[] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[] resultPerInputRow = new EventTable[lookupEventsPerStream.length];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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    }
    }

    public EventTable[] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[] resultPerInputRow = new EventTable[lookupEventsPerStream.length];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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    }
    }

    public EventTable[] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[] resultPerInputRow = new EventTable[lookupEventsPerStream.length];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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        if (configCache == null)
        {
            configCache = engineImportService.getConfigurationMethodRef(declaringClass.getSimpleName());
        }
        ConfigurationDataCache dataCacheDesc = (configCache != null) ? configCache.getDataCacheDesc() : null;
        DataCache dataCache = DataCacheFactory.getDataCache(dataCacheDesc, epStatementAgentInstanceHandle, schedulingService, scheduleBucket);
        PollExecStrategy methodPollStrategy = new MethodPollingExecStrategy(eventAdapterService, staticMethod, mapTypeName != null, eventType);

        return new MethodPollingViewable(methodStreamSpec, streamNumber, methodStreamSpec.getExpressions(), methodPollStrategy, dataCache, eventType, exprEvaluatorContext);
    }
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        if (configCache == null)
        {
            configCache = engineImportService.getConfigurationMethodRef(declaringClass.getSimpleName());
        }
        ConfigurationDataCache dataCacheDesc = (configCache != null) ? configCache.getDataCacheDesc() : null;
        DataCache dataCache = DataCacheFactory.getDataCache(dataCacheDesc, epStatementHandle, schedulingService, scheduleBucket);
        PollExecStrategy methodPollStrategy = new MethodPollingExecStrategy(eventAdapterService, staticMethod, mapTypeName != null, eventType);

        return new MethodPollingViewable(methodStreamSpec, streamNumber, methodStreamSpec.getExpressions(), methodPollStrategy, dataCache, eventType, exprEvaluatorContext);
    }
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    }
    }

    public EventTable[] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[] resultPerInputRow = new EventTable[lookupEventsPerStream.length];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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        validatedExprNodes = desc.getChildEvals();
    }

    public EventTable[][] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[][] resultPerInputRow = new EventTable[lookupEventsPerStream.length][];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable[] result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable[] indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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        if (configCache == null)
        {
            configCache = engineImportService.getConfigurationMethodRef(declaringClass.getSimpleName());
        }
        ConfigurationDataCache dataCacheDesc = (configCache != null) ? configCache.getDataCacheDesc() : null;
        DataCache dataCache = DataCacheFactory.getDataCache(dataCacheDesc, epStatementAgentInstanceHandle, schedulingService, scheduleBucket);
        PollExecStrategy methodPollStrategy;
        if (mapType != null) {
            if (staticMethod.getReturnType().isArray()) {
                methodPollStrategy = new MethodPollingExecStrategyMapArray(eventAdapterService, staticMethod, eventType);
            }
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        validatedExprNodes = desc.getChildEvals();
    }

    public EventTable[] poll(EventBean[][] lookupEventsPerStream, PollResultIndexingStrategy indexingStrategy, ExprEvaluatorContext exprEvaluatorContext)
    {
        DataCache localDataCache = dataCacheThreadLocal.get();
        boolean strategyStarted = false;

        EventTable[] resultPerInputRow = new EventTable[lookupEventsPerStream.length];

        // Get input parameters for each row
        for (int row = 0; row < lookupEventsPerStream.length; row++)
        {
            Object[] lookupValues = new Object[inputParameters.size()];

            // Build lookup keys
            for (int valueNum = 0; valueNum < inputParameters.size(); valueNum++)
            {
                Object parameterValue = validatedExprNodes[valueNum].evaluate(lookupEventsPerStream[row], true, exprEvaluatorContext);
                lookupValues[valueNum] = parameterValue;
            }

            EventTable result = null;

            // try the threadlocal iteration cache, if set
            if (localDataCache != null)
            {
                result = localDataCache.getCached(lookupValues);
            }

            // try the connection cache
            if (result == null)
            {
                result = dataCache.getCached(lookupValues);
                if ((result != null) && (localDataCache != null))
                {
                    localDataCache.put(lookupValues, result);
                }
            }

            if (result != null)     // found in cache
            {
                resultPerInputRow[row] = result;
            }
            else        // not found in cache, get from actual polling (db query)
            {
                try
                {
                    if (!strategyStarted)
                    {
                        pollExecStrategy.start();
                        strategyStarted = true;
                    }

                    // Poll using the polling execution strategy and lookup values
                    List<EventBean> pollResult = pollExecStrategy.poll(lookupValues);

                    // index the result, if required, using an indexing strategy
                    EventTable indexTable = indexingStrategy.index(pollResult, dataCache.isActive());

                    // assign to row
                    resultPerInputRow[row] = indexTable;

                    // save in cache
                    dataCache.put(lookupValues, indexTable);

                    if (localDataCache != null)
                    {
                        localDataCache.put(lookupValues, indexTable);
                    }
                }
                catch (EPException ex)
                {
                    if (strategyStarted)
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        if (configCache == null)
        {
            configCache = engineImportService.getConfigurationMethodRef(declaringClass.getSimpleName());
        }
        ConfigurationDataCache dataCacheDesc = (configCache != null) ? configCache.getDataCacheDesc() : null;
        DataCache dataCache = DataCacheFactory.getDataCache(dataCacheDesc, epStatementAgentInstanceHandle, schedulingService, scheduleBucket);
        PollExecStrategy methodPollStrategy = new MethodPollingExecStrategy(eventAdapterService, staticMethod, mapTypeName != null, eventType);

        return new MethodPollingViewable(methodStreamSpec, streamNumber, methodStreamSpec.getExpressions(), methodPollStrategy, dataCache, eventType, exprEvaluatorContext);
    }
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Related Classes of com.espertech.esper.epl.db.DataCache

  • com.espertech.esper.epl.core.MethodPollingViewable
  • com.espertech.esper.epl.core.MethodPollingViewableFactory
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