Examples of EvalFactoryNode

com.espertech.esper.pattern.EvalFactoryNode
Superclass of all nodes in an evaluation tree representing an event pattern expression. Follows the Composite pattern. Child nodes do not carry references to parent nodes, the tree is unidirectional.

Examples of com.espertech.esper.pattern.EvalFactoryNode

        String objectNamespace = node.getChild(0).getText();
        String objectName = node.getChild(1).getText();
        List<ExprNode> obsParameters = ASTExprHelper.getExprNodes(node, 2, astExprNodeMap);


        PatternObserverSpec observerSpec = new PatternObserverSpec(objectNamespace, objectName, obsParameters);
        EvalFactoryNode observerNode = this.patternNodeFactory.makeObserverNode(observerSpec);
        addEvalNodeExpression(observerNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

        if ((node.getChildCount() == 2) && hasRange && !tightlyBound)
        {
            throw new ASTWalkException("Variable bounds repeat operator requires an until-expression");
        }


        EvalFactoryNode fbNode = this.patternNodeFactory.makeMatchUntilNode(low, high, single);
        addEvalNodeExpression(fbNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

        }


        // For each AST child node of this AST node that generated an EvalNode add the EvalNode as a child
        if (!astPatternNodeMap.isEmpty())
        {
            EvalFactoryNode thisPatternNode = astPatternNodeMap.get(node);
            for (int i = 0; i < node.getChildCount(); i++)
            {
                Tree childNode = node.getChild(i);
                EvalFactoryNode childEvalNode = astPatternNodeMap.get(childNode);
                if (childEvalNode != null)
                {
                    thisPatternNode.addChildNode(childEvalNode);
                    astPatternNodeMap.remove(childNode);
                }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

            if ((astPatternNodeMap.size() > 1) || ((astPatternNodeMap.isEmpty())))
            {
                throw new ASTWalkException("Unexpected AST tree contains zero or more then 1 child elements for root");
            }
            // Get expression node sub-tree from the AST nodes placed so far
            EvalFactoryNode evalNode = astPatternNodeMap.values().iterator().next();
            streamSpec = new PatternStreamSpecRaw(evalNode, evalNodeExpressions, viewSpecs, streamAsName, new StreamSpecOptions());
            if (evalNodeExpressions != null) {
                evalNodeExpressions = new HashMap<EvalFactoryNode, String>();
            }
            astPatternNodeMap.clear();

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Examples of com.espertech.esper.pattern.EvalFactoryNode

        {
            throw new ASTWalkException("Unexpected AST tree contains zero or more then 1 child elements for root");
        }


        // Get expression node sub-tree from the AST nodes placed so far
        EvalFactoryNode evalNode = astPatternNodeMap.values().iterator().next();


        PatternStreamSpecRaw streamSpec = new PatternStreamSpecRaw(evalNode, evalNodeExpressions, new LinkedList<ViewSpec>(), null, new StreamSpecOptions());
        if (evalNodeExpressions != null) {
            evalNodeExpressions = new HashMap<EvalFactoryNode, String>();
        }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

            {
                throw new ASTWalkException("Unexpected AST tree contains zero or more then 1 child elements for root");
            }


            // Get expression node sub-tree from the AST nodes placed so far
            EvalFactoryNode evalNode = astPatternNodeMap.values().iterator().next();


            streamSpec = new PatternStreamSpecRaw(evalNode, evalNodeExpressions, viewSpecs, streamName, options);
            if (evalNodeExpressions != null) {
                evalNodeExpressions = new HashMap<EvalFactoryNode, String>();
            }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

    }


    private void leaveEvery(Tree node)
    {
        log.debug(".leaveEvery");
        EvalFactoryNode everyNode = this.patternNodeFactory.makeEveryNode();
        addEvalNodeExpression(everyNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalFactoryNode


    private void leaveEveryDistinct(Tree node)
    {
        log.debug(".leaveEveryDistinct");
        List<ExprNode> exprNodes = ASTUtil.getExprNodes(node.getChild(0), 0, astExprNodeMap);
        EvalFactoryNode everyNode = this.patternNodeFactory.makeEveryDistinctNode(exprNodes);
        addEvalNodeExpression(everyNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalFactoryNode


        List<ExprNode> exprNodes = ASTUtil.getExprNodes(node, count, astExprNodeMap);


        FilterSpecRaw rawFilterSpec = new FilterSpecRaw(eventName, exprNodes, propertyEvalSpec);
        propertyEvalSpec = null;
        EvalFactoryNode filterNode = patternNodeFactory.makeFilterNode(rawFilterSpec, optionalPatternTagName, consumption);
        addEvalNodeExpression(filterNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalFactoryNode

        }
        List<ExprNode> expressions = Collections.emptyList();
        if (!CollectionUtil.isAllNullArray(maxExpressions)) {
            expressions = Arrays.asList(maxExpressions); // can contain null elements as max/no-max can be mixed
        }
        EvalFactoryNode fbNode = patternNodeFactory.makeFollowedByNode(expressions, configurationInformation.getEngineDefaults().getPatterns().getMaxSubexpressions() != null);
        fbNode.addChildNodes(childNodes);
        addEvalNodeExpression(fbNode, node);
    }

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