Package com.espertech.esper.core.service

Examples of com.espertech.esper.core.service.ExprEvaluatorContextStatement

96
97
98
99
100
101
102
103
104
105
106
        boolean[] isNamedWindow = new boolean[numStreams];
        HistoricalEventViewable[] historicalEventViewables = new HistoricalEventViewable[numStreams];

        // verify for joins that required views are present
        StreamJoinAnalysisResult joinAnalysisResult = verifyJoinViews(statementSpec, statementContext.getNamedWindowService(), defaultAgentInstanceContext);
        final ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);

        for (int i = 0; i < statementSpec.getStreamSpecs().length; i++)
        {
            StreamSpecCompiled streamSpec = statementSpec.getStreamSpecs()[i];
View Full Code Here
66
67
68
69
70
71
72
73
74
75
76
                                        StatementContext statementContext,
                                        StreamTypeService typeService,
                                        ViewResourceDelegateUnverified viewResourceDelegate)
    {
        MethodResolutionService methodResolutionService = statementContext.getMethodResolutionService();
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);

        if (statementSpec.getFilterRootNode() != null)
        {
            ExprNode optionalFilterNode = statementSpec.getFilterRootNode();
View Full Code Here
204
205
206
207
208
209
210
211
212
213
214
        // Thus types are checked via equals.
        // Sets stream ids used for validated nodes.
        ExprNode equalsNode = new ExprEqualsNodeImpl(false, false);
        equalsNode.addChildNode(leftNode);
        equalsNode.addChildNode(rightNode);
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
        try
        {
            ExprValidationContext validationContext = new ExprValidationContext(typeService, statementContext.getMethodResolutionService(), viewResourceDelegate, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
            ExprNodeUtility.getValidatedSubtree(equalsNode, validationContext);
        }
View Full Code Here
40
41
42
43
44
45
46
47
48
49
50
        StreamTypeServiceImpl assignmentTypeService = new StreamTypeServiceImpl(
                new EventType[] {processor.getNamedWindowType(), null, processor.getNamedWindowType()},
                new String[] {aliasName, "", EPStatementStartMethodOnTrigger.INITIAL_VALUE_STREAM_NAME},
                new boolean[] {true, true, true}, services.getEngineURI(), true);
        assignmentTypeService.setStreamZeroUnambigous(true);
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
        ExprValidationContext validationContext = new ExprValidationContext(assignmentTypeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);

        // validate update expressions
        try {
            for (OnTriggerSetAssignment assignment : updateSpec.getAssignments())
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
        if (tags == null) {
            tags = new MatchEventSpec();
        }
        Deque<Integer> subexpressionIdStack = new ArrayDeque<Integer>(assignedTypeNumberStack);
        ExprEvaluatorContext evaluatorContextStmt = new ExprEvaluatorContextStatement(context);
        Stack<EvalFactoryNode> nodeStack = new Stack<EvalFactoryNode>();

        // detemine ordered tags
        Set<EvalFactoryNode> filterFactoryNodes = EvalNodeUtil.recursiveGetChildNodes(evalFactoryNode, FilterForFilterFactoryNodes.INSTANCE);
        LinkedHashSet<String> allTagNamesOrdered = new LinkedHashSet<String>();
View Full Code Here
122
123
124
125
126
127
128
129
130
131
132
        // determine type service for use with DEFINE
        // validate each DEFINE clause expression
        Set<String> definedVariables = new HashSet<String>();
        List<ExprAggregateNode> aggregateNodes = new ArrayList<ExprAggregateNode>();
        ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
        this.isExprRequiresMultimatchState = new boolean[variableStreams.size()];

        for (int defineIndex = 0; defineIndex < matchRecognizeSpec.getDefines().size(); defineIndex++)
        {
            MatchRecognizeDefineItem defineItem = matchRecognizeSpec.getDefines().get(defineIndex);
View Full Code Here
337
338
339
340
341
342
343
344
345
346
347
    private ExprNode validateMeasureClause(ExprNode measureNode, StreamTypeService typeServiceMeasure, Set<String> variablesMultiple, Set<String> variablesSingle, StatementContext statementContext)
            throws ExprValidationException
    {
        try
        {
            ExprEvaluatorContextStatement exprEvaluatorContext = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(typeServiceMeasure, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), exprEvaluatorContext, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
            return ExprNodeUtility.getValidatedSubtree(measureNode, validationContext);
        }
        catch (ExprValidationPropertyException e)
        {
View Full Code Here
37
38
39
40
41
42
43
44
45
46
47
    public EPPreparedExecuteSingleStreamExec getExecutor(FilterSpecCompiled filter, String aliasName) throws ExprValidationException {

        List<SelectClauseElementCompiled> selectNoWildcard = NamedWindowOnMergeHelper.compileSelectNoWildcard(UuidGenerator.generate(), Arrays.asList(statementSpec.getSelectClauseSpec().getSelectExprList()));

        StreamTypeService streamTypeService = new StreamTypeServiceImpl(statementContext.getEngineURI(), false);
        ExprEvaluatorContextStatement exprEvaluatorContextStatement = new ExprEvaluatorContextStatement(statementContext);

        // assign names
        ExprValidationContext validationContext = new ExprValidationContext(streamTypeService, statementContext.getMethodResolutionService(),
                null, statementContext.getTimeProvider(), statementContext.getVariableService(), exprEvaluatorContextStatement,
                statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
        // order-by clause with the full expression
        List<OrderByItem> orderByList = expandColumnNames(selectClauseSpec.getSelectExprList(), orderByListUnexpanded);

        // Validate selection expressions, if any (could be wildcard i.e. empty list)
        List<SelectClauseExprCompiledSpec> namedSelectionList = new LinkedList<SelectClauseExprCompiledSpec>();
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(stmtContext);
        ExprValidationContext validationContext = new ExprValidationContext(typeService, stmtContext.getMethodResolutionService(), viewResourceDelegate, stmtContext.getSchedulingService(), stmtContext.getVariableService(),evaluatorContextStmt, stmtContext.getEventAdapterService(), stmtContext.getStatementName(), stmtContext.getStatementId(), stmtContext.getAnnotations(), stmtContext.getContextDescriptor(), false);

        assignSelectClauseNames(selectClauseSpec, namedSelectionList, validationContext);
        boolean isUsingWildcard = selectClauseSpec.isUsingWildcard();
View Full Code Here
54
55
56
57
58
59
60
61
62
63
64
        Object value = null;
        if (createDesc.getAssignment() != null)
        {
            // Evaluate assignment expression
            StreamTypeService typeService = new StreamTypeServiceImpl(new EventType[0], new String[0], new boolean[0], services.getEngineURI(), false);
            ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(typeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
            ExprNode validated = ExprNodeUtility.getValidatedSubtree(createDesc.getAssignment(), validationContext);
            value = validated.getExprEvaluator().evaluate(null, true, evaluatorContextStmt);
        }
View Full Code Here
TOP

Related Classes of com.espertech.esper.core.service.ExprEvaluatorContextStatement

  • com.espertech.esper.core.start.EPPreparedExecuteInsertInto
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStreamUpdate
  • com.espertech.esper.core.start.EPStatementStartMethodCreateVariable
  • com.espertech.esper.core.start.EPStatementStartMethodHelperSubselect
  • com.espertech.esper.core.start.EPStatementStartMethodHelperValidate
  • com.espertech.esper.core.start.EPStatementStartMethodSelect
  • com.espertech.esper.core.start.EPStatementStartMethodSelectUtil
  • com.espertech.esper.epl.core.ResultSetProcessorFactoryFactory
  • com.espertech.esper.epl.expression.ExprNodeUtility
  • com.espertech.esper.epl.join.hint.ExcludePlanHint
    • Copyright © 2018 www.massapicom. All rights reserved.
    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.