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

    }


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

View Full Code Here

Examples of com.espertech.esper.pattern.EvalFactoryNode

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


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

View Full Code Here

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);
    }

View Full Code Here

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);
        addEvalNodeExpression(fbNode, node);
    }

View Full Code Here

Examples of com.espertech.esper.pattern.EvalFactoryNode

                }
                return new ContextDetailMatchPair(filter, matchEventSpec, allTags);
            }


            // compile as pattern if there are prior matches to consider, since this is a type of followed-by relationship
            EvalFactoryNode factoryNode = servicesContext.getPatternNodeFactory().makeFilterNode(filter.getFilterSpecRaw(), filter.getOptionalFilterAsName(), 0);
            ContextDetailConditionPattern pattern = new ContextDetailConditionPattern(factoryNode, true);
            Pair<MatchEventSpec, Set<String>> matches = validatePatternContextConditionPattern(statementContext, pattern, eventTypesReferenced, priorMatches, priorAllTags);
            return new ContextDetailMatchPair(pattern, matches.getFirst(), matches.getSecond());
        }
        else {

View Full Code Here

Examples of com.espertech.esper.pattern.EvalFactoryNode

        return StatementSpecMapper.unmap(node);
    }


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

View Full Code Here

Examples of com.espertech.esper.pattern.EvalFactoryNode

                }
                return new ContextDetailMatchPair(filter, matchEventSpec, allTags);
            }


            // compile as pattern if there are prior matches to consider, since this is a type of followed-by relationship
            EvalFactoryNode factoryNode = servicesContext.getPatternNodeFactory().makeFilterNode(filter.getFilterSpecRaw(), filter.getOptionalFilterAsName(), 0);
            ContextDetailConditionPattern pattern = new ContextDetailConditionPattern(factoryNode, true, false);
            Pair<MatchEventSpec, Set<String>> matches = validatePatternContextConditionPattern(statementContext, pattern, eventTypesReferenced, priorMatches, priorAllTags);
            return new ContextDetailMatchPair(pattern, matches.getFirst(), matches.getSecond());
        }
        else if (endpoint instanceof ContextDetailConditionImmediate) {

View Full Code Here

Examples of com.espertech.esper.pattern.EvalFactoryNode

        if (parent.getType() == EsperEPL2Ast.CRONTAB_LIMIT_EXPR_PARAM) {
            List<ExprNode> crontab = ASTExprHelper.getRemoveAllChildExpr(parent, astExprNodeMap);
            return new ContextDetailConditionCrontab(crontab, immediate);
        }
        else if (parent.getType() == EsperEPL2Ast.CREATE_CTX_PATTERN) {
            EvalFactoryNode evalNode = astPatternNodeMap.remove(parent.getChild(0).getChild(0));
            boolean inclusive = false;
            if (parent.getChildCount() > 1) {
                String ident = parent.getChild(1).getText();
                if (ident != null && !ident.toLowerCase().equals("inclusive")) {
                    throw new ASTWalkException("Expected 'inclusive' keyword after '@', found '" + ident + "' instead");

View Full Code Here

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);
                }

View Full Code Here

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();
            PatternLevelAnnotationFlags flags = getPatternFlags(node.getChild(0));
            streamSpec = new PatternStreamSpecRaw(evalNode, ViewSpec.toArray(viewSpecs), streamAsName, new StreamSpecOptions(), flags.isSuppressSameEventMatches(), flags.isDiscardPartialsOnMatch());
            astPatternNodeMap.clear();
        }
        else

View Full Code Here

0 1 2 3 4 5

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.