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

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Examples of com.espertech.esper.pattern.EvalNode


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


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

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Examples of com.espertech.esper.pattern.EvalNode

                }
                childNodes.add(astPatternNodeMap.remove(child.getChild(current)));
            }
        }
        List<ExprNode> expressions = Arrays.asList(maxExpressions); // can contain null elements as max/no-max can be mixed
        EvalNode fbNode = patternNodeFactory.makeFollowedByNode(expressions);
        fbNode.addChildNodes(childNodes);
        addEvalNodeExpression(fbNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalNode

    }


    private void leaveAnd(Tree node)
    {
        log.debug(".leaveAnd");
        EvalNode andNode = patternNodeFactory.makeAndNode();
        addEvalNodeExpression(andNode, node);
    }

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Examples of com.espertech.esper.pattern.EvalNode

    }


    private void leaveOr(Tree node)
    {
        log.debug(".leaveOr");
        EvalNode orNode = patternNodeFactory.makeOrNode();
        addEvalNodeExpression(orNode, node);
    }

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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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