Package com.espertech.esper.epl.expression

Examples of com.espertech.esper.epl.expression.ExprEvaluator

66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
        int count = 0;
        EventBean[] evalEventsPerStream = new EventBean[1];

        if (factory.getOrderBy().length == 1) {
            ExprEvaluator singleEval = factory.getOrderBy()[0].getExpr();
            for (EventBean theEvent : generatingEvents)
            {
                evalEventsPerStream[0] = theEvent;
                if (InstrumentationHelper.ENABLED) { InstrumentationHelper.get().qOrderBy(evalEventsPerStream, factory.getOrderBy());}
                sortProperties[count] = singleEval.evaluate(evalEventsPerStream, isNewData, exprEvaluatorContext);
                if (InstrumentationHelper.ENABLED) { InstrumentationHelper.get().aOrderBy(sortProperties[count]);}
                count++;
            }
        }
        else {
View Full Code Here
541
542
543
544
545
546
547
548
549
550
551
552
            if (index == -1) {
                throw new IllegalStateException("Could not find index property for lookup '" + indexedKeyProps[i]);
            }
            hashesDesc[i] = hashJoinedProps[index];
            hashPropCoercionTypes[i] = indexedKeyProps[i].getCoercionType();
            ExprEvaluator evaluatorHashkey = hashesDesc[i].getHashKey().getKeyExpr().getExprEvaluator();
            if (evaluatorHashkey != null && indexedKeyProps[i].getCoercionType() != evaluatorHashkey.getType()) {   // we allow null evaluator
                isCoerceHash = true;
            }
        }

        // map the order of range columns (range) to the range information available
View Full Code Here
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
        Integer cached = cachedMaxPerChild[position];
        if (cached != null) {
            return cached;  // constant value cached
        }

        ExprEvaluator cachedExpr = cachedMaxEvaluatorPerChild[position];
        if (cachedExpr == null) {
            return -1;  // no limit defined for this sub-expression
        }

        Number result = (Number) cachedExpr.evaluate(null, true, null);
        if (result != null) {
            return result.intValue();
        }
        return -1;  // no limit
    }
View Full Code Here
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
        this.nwOnTrigger = nwOnTrigger;
        this.eventsLocal = new EventBean[numOuterStreams + 1];

        int count = 0;
        for (SubordPropHashKey hashKey : hashKeys) {
            ExprEvaluator evaluator = hashKey.getHashKey().getKeyExpr().getExprEvaluator();
            evaluators[count] = new ExternalEvaluatorHashRelOp(evaluator, hashKeyCoercionTypes.getCoercionTypes()[count]);
            count++;
        }
        for (int i = 0; i < rangeKeys.size(); i++) {
            SubordPropRangeKey rangeKey = rangeKeys.get(i);
            if (rangeKey.getRangeInfo().getType().isRange()) {
                QueryGraphValueEntryRangeIn range = (QueryGraphValueEntryRangeIn) rangeKey.getRangeInfo();
                ExprEvaluator evaluatorStart = range.getExprStart().getExprEvaluator();
                ExprEvaluator evaluatorEnd = range.getExprEnd().getExprEvaluator();
                evaluators[count] = new ExternalEvaluatorBtreeRange(evaluatorStart, evaluatorEnd, rangeKeyCoercionTypes.getCoercionTypes()[i]);
            }
            else {
                QueryGraphValueEntryRangeRelOp relOp = (QueryGraphValueEntryRangeRelOp) rangeKey.getRangeInfo();
                ExprEvaluator evaluator = relOp.getExpression().getExprEvaluator();
                evaluators[count] = new ExternalEvaluatorHashRelOp(evaluator, rangeKeyCoercionTypes.getCoercionTypes()[i]);
            }
            count++;
        }
    }
View Full Code Here
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
        this.eventsPerStream = new EventBean[lookupStream + 1];
        this.lookupStream = lookupStream;

        int count = 0;
        for (QueryGraphValueEntryHashKeyed hashKey : keyDescriptor.getHashes()) {
            ExprEvaluator evaluator = hashKey.getKeyExpr().getExprEvaluator();
            evaluators[count] = new ExternalEvaluatorHashRelOp(evaluator);
            count++;
        }
        for (QueryGraphValueEntryRange rangeKey : keyDescriptor.getRanges()) {
            if (rangeKey.getType().isRange()) {
                QueryGraphValueEntryRangeIn range = (QueryGraphValueEntryRangeIn) rangeKey;
                ExprEvaluator evaluatorStart = range.getExprStart().getExprEvaluator();
                ExprEvaluator evaluatorEnd = range.getExprEnd().getExprEvaluator();
                evaluators[count] = new ExternalEvaluatorBtreeRange(evaluatorStart, evaluatorEnd);
            }
            else {
                QueryGraphValueEntryRangeRelOp relOp = (QueryGraphValueEntryRangeRelOp) rangeKey;
                ExprEvaluator evaluator = relOp.getExpression().getExprEvaluator();
                evaluators[count] = new ExternalEvaluatorHashRelOp(evaluator);
            }
            count++;
        }
    }
View Full Code Here
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
        QueryGraphValueEntryRange rangeKeyPair = streamRangeKey.getRangeInfo();

        if (rangeKeyPair.getType().isRange()) {
            QueryGraphValueEntryRangeIn in = (QueryGraphValueEntryRangeIn) rangeKeyPair;
            ExprEvaluator startExpr = in.getExprStart().getExprEvaluator();
            ExprEvaluator endExpr = in.getExprEnd().getExprEvaluator();
            boolean includeStart = rangeKeyPair.getType().isIncludeStart();

            boolean includeEnd = rangeKeyPair.getType().isIncludeEnd();
            if (!rangeKeyPair.getType().isRangeInverted()) {
                return new SortedAccessStrategyRange(isNWOnTrigger, lookupStream, numStreams, startExpr, includeStart, endExpr, includeEnd, in.isAllowRangeReversal());
            }
            else {
                return new SortedAccessStrategyRangeInverted(isNWOnTrigger, lookupStream, numStreams, startExpr, includeStart, endExpr, includeEnd);
            }
        }
        else {
            QueryGraphValueEntryRangeRelOp relOp = (QueryGraphValueEntryRangeRelOp) rangeKeyPair;
            ExprEvaluator keyExpr = relOp.getExpression().getExprEvaluator();
            if (rangeKeyPair.getType() == QueryGraphRangeEnum.GREATER_OR_EQUAL) {
                return new SortedAccessStrategyGE(isNWOnTrigger, lookupStream, numStreams, keyExpr);
            }
            else if (rangeKeyPair.getType() == QueryGraphRangeEnum.GREATER) {
                return new SortedAccessStrategyGT(isNWOnTrigger, lookupStream, numStreams, keyExpr);
View Full Code Here
16
17
18
19
20
21
22
23
        return new EventType[0];
    }

    public EnumEval getEnumEval(StreamTypeService streamTypeService, String enumMethodUsedName, List<ExprDotEvalParam> bodiesAndParameters, EventType inputEventType, Class collectionComponentType, int numStreamsIncoming) throws ExprValidationException {
        super.setTypeInfo(ExprDotEvalTypeInfo.scalarOrUnderlying(Boolean.class));
        ExprEvaluator body = bodiesAndParameters.get(0).getBodyEvaluator();
        return new EnumEvalSequenceEqual(body, numStreamsIncoming);
    }
View Full Code Here
15
16
17
18
19
20
21
22
23
24
25
    public EventType[] getAddStreamTypes(String enumMethodUsedName, List<String> goesToNames, EventType inputEventType, Class collectionComponentType, List<ExprDotEvalParam> bodiesAndParameters) {
        return new EventType[] {};
    }

    public EnumEval getEnumEval(StreamTypeService streamTypeService, String enumMethodUsedName, List<ExprDotEvalParam> bodiesAndParameters, EventType inputEventType, Class collectionComponentType, int numStreamsIncoming) {
        ExprEvaluator sizeEval = bodiesAndParameters.get(0).getBodyEvaluator();
       
        if (inputEventType != null) {
            super.setTypeInfo(ExprDotEvalTypeInfo.eventColl(inputEventType));
        }
        else {
View Full Code Here
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
        QueryGraphValueEntryRange rangeProp = subqRangeKey.getRangeInfo();

        if (rangeProp.getType().isRange()) {
            QueryGraphValueEntryRangeIn in = (QueryGraphValueEntryRangeIn) rangeProp;
            ExprEvaluator start = in.getExprStart().getExprEvaluator();
            boolean includeStart = rangeProp.getType().isIncludeStart();

            ExprEvaluator end = in.getExprEnd().getExprEvaluator();
            boolean includeEnd = rangeProp.getType().isIncludeEnd();

            if (!rangeProp.getType().isRangeInverted()) {
                strategy = new CompositeAccessStrategyRangeNormal(isNWOnTrigger, lookupStream, numStreams, start, includeStart, end, includeEnd, coercionType, ((QueryGraphValueEntryRangeIn) rangeProp).isAllowRangeReversal());
            }
            else {
                strategy = new CompositeAccessStrategyRangeInverted(isNWOnTrigger, lookupStream, numStreams, start, includeStart, end, includeEnd, coercionType);
            }
        }
        else {
            QueryGraphValueEntryRangeRelOp relOp = (QueryGraphValueEntryRangeRelOp) rangeProp;
            ExprEvaluator key = relOp.getExpression().getExprEvaluator();
            if (rangeProp.getType() == QueryGraphRangeEnum.GREATER_OR_EQUAL) {
                strategy = new CompositeAccessStrategyGE(isNWOnTrigger, lookupStream, numStreams, key, coercionType);
            }
            else if (rangeProp.getType() == QueryGraphRangeEnum.GREATER) {
                strategy = new CompositeAccessStrategyGT(isNWOnTrigger, lookupStream, numStreams, key, coercionType);
View Full Code Here
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
        Integer cached = cachedMaxPerChild[position];
        if (cached != null) {
            return cached;  // constant value cached
        }

        ExprEvaluator cachedExpr = cachedMaxEvaluatorPerChild[position];
        if (cachedExpr == null) {
            return -1;  // no limit defined for this sub-expression
        }

        Number result = (Number) cachedExpr.evaluate(null, true, null);
        if (result != null) {
            return result.intValue();
        }
        return -1;  // no limit
    }
View Full Code Here
TOP

Related Classes of com.espertech.esper.epl.expression.ExprEvaluator

  • com.espertech.esper.core.context.factory.StatementAgentInstanceFactoryCreateWindow
  • com.espertech.esper.core.context.mgr.ContextControllerHashFactory
  • com.espertech.esper.core.InternalEventRouterPreprocessor
  • com.espertech.esper.core.service.InternalEventRouterPreprocessor
  • com.espertech.esper.epl.core.BindProcessor
  • com.espertech.esper.epl.core.eval.EvalSelectStreamWUndRecastMapFactory
  • com.espertech.esper.epl.core.eval.EvalSelectStreamWUndRecastObjectArrayFactory
  • com.espertech.esper.epl.core.OrderByProcessorImpl
  • com.espertech.esper.epl.core.SelectExprInsertEventBean
  • com.espertech.esper.epl.core.SelectExprInsertEventBeanFactory
    • 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.