Package com.espertech.esper.client.hook

Examples of com.espertech.esper.client.hook.AggregationFunctionFactory

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        }

        // try plug-in aggregation function
        try
        {
            AggregationFunctionFactory aggregationFactory = engineImportService.resolveAggregationFactory(childNodeText);
            astExprNodeMap.put(node, new ExprPlugInAggFunctionFactoryNode(isDistinct, aggregationFactory, childNodeText));
            return;
        }
        catch (EngineImportUndefinedException e)
        {
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                                             String functionName,
                                             LazyAllocatedMap<ConfigurationPlugInAggregationMultiFunction, PlugInAggregationMultiFunctionFactory> plugInAggregations,
                                             String engineURI) {
        try
        {
            AggregationFunctionFactory aggregationFactory = engineImportService.resolveAggregationFactory(functionName);
            return new ExprPlugInAggFunctionFactoryNode(distinct, aggregationFactory, functionName);
        }
        catch (EngineImportUndefinedException e)
        {
            // Not an aggregation function
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        }

        // Try an aggregation function factory
        try
        {
            AggregationFunctionFactory aggregationFactory = validationContext.getMethodResolutionService().resolveAggregationFactory(parse.getMethodName());
            ExprNode result = new ExprPlugInAggFunctionFactoryNode(false, aggregationFactory, parse.getMethodName());
            result.addChildNode(new ExprConstantNodeImpl(parse.getArgString()));

            // Validate
            try
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                                             String functionName,
                                             LazyAllocatedMap<ConfigurationPlugInAggregationMultiFunction, PlugInAggregationMultiFunctionFactory> plugInAggregations,
                                             String engineURI) {
        try
        {
            AggregationFunctionFactory aggregationFactory = engineImportService.resolveAggregationFactory(functionName);
            return new ExprPlugInAggFunctionFactoryNode(distinct, aggregationFactory, functionName);
        }
        catch (EngineImportUndefinedException e)
        {
            // Not an aggregation function
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        }

        // Try an aggregation function factory
        try
        {
            AggregationFunctionFactory aggregationFactory = validationContext.getMethodResolutionService().resolveAggregationFactory(parse.getMethodName());
            ExprNode result = new ExprPlugInAggFunctionFactoryNode(false, aggregationFactory, parse.getMethodName());
            result.addChildNode(new ExprConstantNodeImpl(parse.getArgString()));

            // Validate
            try
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        }

        // Try an aggregation function factory
        try
        {
            AggregationFunctionFactory aggregationFactory = validationContext.getMethodResolutionService().resolveAggregationFactory(parse.getMethodName());
            ExprNode result = new ExprPlugInAggFunctionFactoryNode(false, aggregationFactory, parse.getMethodName());
            result.addChildNode(new ExprConstantNodeImpl(parse.getArgString()));

            // Validate
            try
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        }

        // try plug-in aggregation function
        try
        {
            AggregationFunctionFactory aggregationFactory = engineImportService.resolveAggregationFactory(childNodeText);
            astExprNodeMap.put(node, new ExprPlugInAggFunctionFactoryNode(isDistinct, aggregationFactory, childNodeText));
            return;
        }
        catch (EngineImportUndefinedException e)
        {
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            PlugInProjectionExpression node = (PlugInProjectionExpression) expr;

            // first try the configured aggregation
            try
            {
                AggregationFunctionFactory aggregationFactory = mapContext.getEngineImportService().resolveAggregationFactory(node.getFunctionName());
                return new ExprPlugInAggFunctionFactoryNode(node.isDistinct(), aggregationFactory, node.getFunctionName());
            }
            catch (Exception e)
            {
                // then try the builtin aggregation
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Related Classes of com.espertech.esper.client.hook.AggregationFunctionFactory

  • com.espertech.esper.epl.expression.ExprNodeUtility
  • com.espertech.esper.epl.parse.ASTAggregationHelper
  • com.espertech.esper.epl.parse.EPLTreeWalker
  • com.espertech.esper.epl.spec.StatementSpecMapper
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