Examples of EvalNode

com.espertech.esper.pattern.EvalNode
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.
org.apache.tajo.engine.eval.EvalNode

Examples of com.espertech.esper.pattern.EvalNode

    }


    private void leavePatternNot(Tree node)
    {
        log.debug(".leavePatternNot");
        EvalNode notNode = this.patternNodeFactory.makeNotNode();
        addEvalNodeExpression(notNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalNode

            objectName = GuardEnum.WHILE_GUARD.getName();
            obsParameters = getExprNodes(node, 1);
        }


        PatternGuardSpec guardSpec = new PatternGuardSpec(objectNamespace, objectName, obsParameters);
        EvalNode guardNode = patternNodeFactory.makeGuardNode(guardSpec);
        addEvalNodeExpression(guardNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalNode

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


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

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Examples of com.espertech.esper.pattern.EvalNode

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


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

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Examples of com.espertech.esper.pattern.EvalNode

        return StatementSpecMapper.unmap(node);
    }


    public PatternExpr compilePatternToSODA(String expression) throws EPException
    {
        EvalNode node = compilePatternToNode(expression);
        return StatementSpecMapper.unmap(node);
    }

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Examples of com.espertech.esper.pattern.EvalNode

        }


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

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Examples of com.espertech.esper.pattern.EvalNode

            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
            EvalNode evalNode = astPatternNodeMap.values().iterator().next();
            streamSpec = new PatternStreamSpecRaw(evalNode, evalNodeExpressions, viewSpecs, streamAsName, new StreamSpecOptions());
            if (evalNodeExpressions != null) {
                evalNodeExpressions = new HashMap<EvalNode, String>();
            }
            astPatternNodeMap.clear();

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Examples of com.espertech.esper.pattern.EvalNode

        {
            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
        EvalNode evalNode = astPatternNodeMap.values().iterator().next();


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

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Examples of com.espertech.esper.pattern.EvalNode

            {
                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
            EvalNode evalNode = astPatternNodeMap.values().iterator().next();


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

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Examples of com.espertech.esper.pattern.EvalNode

    }


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

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