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

        }


        // 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);
                }

View Full Code Here

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();

View Full Code Here

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>();
        }

View Full Code Here

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>();
            }

View Full Code Here

Examples of com.espertech.esper.pattern.EvalNode

    }


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

View Full Code Here

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);
    }

View Full Code Here

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);
        addEvalNodeExpression(filterNode, node);
    }

View Full Code Here

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);
    }

View Full Code Here

Examples of com.espertech.esper.pattern.EvalNode

    }


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

View Full Code Here

Examples of com.espertech.esper.pattern.EvalNode

    }


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

View Full Code Here

0 1 2 3

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.