示例#1
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def zStreamPatternSearchTest(createTestFile=False):
    pattern = Pattern(
        SeqOperator([
            QItem("MSFT", "a"),
            QItem("DRIV", "b"),
            QItem("ORLY", "c"),
            QItem("CBRL", "d")
        ]),
        AndFormula(
            AndFormula(
                SmallerThanFormula(
                    IdentifierTerm("a", lambda x: x["Peak Price"]),
                    IdentifierTerm("b", lambda x: x["Peak Price"])),
                SmallerThanFormula(
                    IdentifierTerm("b", lambda x: x["Peak Price"]),
                    IdentifierTerm("c", lambda x: x["Peak Price"]))),
            SmallerThanFormula(IdentifierTerm("c", lambda x: x["Peak Price"]),
                               IdentifierTerm("d",
                                              lambda x: x["Peak Price"]))),
        timedelta(minutes=3))
    selectivityMatrix = [[1.0, 0.9457796098355941, 1.0, 1.0],
                         [0.9457796098355941, 1.0, 0.15989723367389616, 1.0],
                         [1.0, 0.15989723367389616, 1.0, 0.9992557393942864],
                         [1.0, 1.0, 0.9992557393942864, 1.0]]
    arrivalRates = [
        0.016597077244258872, 0.01454418928322895, 0.013917884481558803,
        0.012421711899791231
    ]
    pattern.setAdditionalStatistics(
        StatisticsTypes.SELECTIVITY_MATRIX_AND_ARRIVAL_RATES,
        (selectivityMatrix, arrivalRates))
    runTest('zstream1', [pattern], createTestFile, ZStreamAlgorithm(),
            nasdaqEventStream)
示例#2
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def multiplePatternSearchTest(createTestFile=False):
    amazonInstablePattern = Pattern(
        SeqOperator(
            [QItem("AMZN", "x1"),
             QItem("AMZN", "x2"),
             QItem("AMZN", "x3")]),
        AndFormula(
            SmallerThanEqFormula(
                IdentifierTerm("x1", lambda x: x["Lowest Price"]),
                AtomicTerm(75)),
            AndFormula(
                GreaterThanEqFormula(
                    IdentifierTerm("x2", lambda x: x["Peak Price"]),
                    AtomicTerm(78)),
                SmallerThanEqFormula(
                    IdentifierTerm("x3", lambda x: x["Lowest Price"]),
                    IdentifierTerm("x1", lambda x: x["Lowest Price"])))),
        timedelta(days=1))
    googleAscendPattern = Pattern(
        SeqOperator(
            [QItem("GOOG", "a"),
             QItem("GOOG", "b"),
             QItem("GOOG", "c")]),
        AndFormula(
            SmallerThanFormula(IdentifierTerm("a", lambda x: x["Peak Price"]),
                               IdentifierTerm("b", lambda x: x["Peak Price"])),
            SmallerThanFormula(IdentifierTerm("b", lambda x: x["Peak Price"]),
                               IdentifierTerm("c",
                                              lambda x: x["Peak Price"]))),
        timedelta(minutes=3))
    runTest('multiplePatterns', [amazonInstablePattern, googleAscendPattern],
            createTestFile)
示例#3
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def msftDrivRacePatternSearchTest(createTestFile=False):
    """
    This pattern is looking for a race between driv and microsoft in ten minutes
    PATTERN SEQ(MicrosoftStockPriceUpdate a, DrivStockPriceUpdate b, MicrosoftStockPriceUpdate c, DrivStockPriceUpdate d, MicrosoftStockPriceUpdate e)
    WHERE a.PeakPrice < b.PeakPrice AND b.PeakPrice < c.PeakPrice AND c.PeakPrice < d.PeakPrice AND d.PeakPrice < e.PeakPrice
    WITHIN 10 minutes
    """
    msftDrivRacePattern = Pattern(
        SeqOperator([
            QItem("MSFT", "a"),
            QItem("DRIV", "b"),
            QItem("MSFT", "c"),
            QItem("DRIV", "d"),
            QItem("MSFT", "e")
        ]),
        AndFormula(
            AndFormula(
                SmallerThanFormula(
                    IdentifierTerm("a", lambda x: x["Peak Price"]),
                    IdentifierTerm("b", lambda x: x["Peak Price"])),
                SmallerThanFormula(
                    IdentifierTerm("b", lambda x: x["Peak Price"]),
                    IdentifierTerm("c", lambda x: x["Peak Price"]))),
            AndFormula(
                SmallerThanFormula(
                    IdentifierTerm("c", lambda x: x["Peak Price"]),
                    IdentifierTerm("d", lambda x: x["Peak Price"])),
                SmallerThanFormula(
                    IdentifierTerm("d", lambda x: x["Peak Price"]),
                    IdentifierTerm("e", lambda x: x["Peak Price"])))),
        timedelta(minutes=10))
    runTest('msftDrivRace', [msftDrivRacePattern], createTestFile)
示例#4
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def nonFrequencyPatternSearch2Test(createTestFile=False):
    pattern = Pattern(
        SeqOperator(
            [QItem("LOCM", "a"),
             QItem("AMZN", "b"),
             QItem("AAPL", "c")]),
        AndFormula(
            SmallerThanFormula(
                IdentifierTerm("a", lambda x: x["Opening Price"]),
                IdentifierTerm("b", lambda x: x["Opening Price"])),
            SmallerThanFormula(
                IdentifierTerm("b", lambda x: x["Opening Price"]),
                IdentifierTerm("c", lambda x: x["Opening Price"]))),
        timedelta(minutes=5))
    runTest("nonFrequency2", [pattern], createTestFile)
示例#5
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def hierarchyPatternSearchTest(createTestFile=False):
    """
    The following pattern is looking for Amazon < Apple < Google cases in one minute windows.
    PATTERN AND(AmazonStockPriceUpdate a, AppleStockPriceUpdate b, GoogleStockPriceUpdate c)
    WHERE a.PeakPrice < b.PeakPrice AND b.PeakPrice < c.PeakPrice
    WITHIN 1 minute
    """
    hierarchyPattern = Pattern(
        AndOperator(
            [QItem("AMZN", "a"),
             QItem("AAPL", "b"),
             QItem("GOOG", "c")]),
        AndFormula(
            SmallerThanFormula(IdentifierTerm("a", lambda x: x["Peak Price"]),
                               IdentifierTerm("b", lambda x: x["Peak Price"])),
            SmallerThanFormula(IdentifierTerm("b", lambda x: x["Peak Price"]),
                               IdentifierTerm("c",
                                              lambda x: x["Peak Price"]))),
        timedelta(minutes=1))
    runTest('hierarchy', [hierarchyPattern], createTestFile)
示例#6
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def googleAscendPatternSearchTest(createTestFile=False):
    """
    This pattern is looking for a short ascend in the Google peak prices.
    PATTERN SEQ(GoogleStockPriceUpdate a, GoogleStockPriceUpdate b, GoogleStockPriceUpdate c)
    WHERE a.PeakPrice < b.PeakPrice AND b.PeakPrice < c.PeakPrice
    WITHIN 3 minutes
    """
    googleAscendPattern = Pattern(
        SeqOperator(
            [QItem("GOOG", "a"),
             QItem("GOOG", "b"),
             QItem("GOOG", "c")]),
        AndFormula(
            SmallerThanFormula(IdentifierTerm("a", lambda x: x["Peak Price"]),
                               IdentifierTerm("b", lambda x: x["Peak Price"])),
            SmallerThanFormula(IdentifierTerm("b", lambda x: x["Peak Price"]),
                               IdentifierTerm("c",
                                              lambda x: x["Peak Price"]))),
        timedelta(minutes=3))
    runTest('googleAscend', [googleAscendPattern], createTestFile)
示例#7
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def frequencyPatternSearch2Test(createTestFile=False):
    pattern = Pattern(
        SeqOperator(
            [QItem("LOCM", "a"),
             QItem("AMZN", "b"),
             QItem("AAPL", "c")]),
        AndFormula(
            SmallerThanFormula(
                IdentifierTerm("a", lambda x: x["Opening Price"]),
                IdentifierTerm("b", lambda x: x["Opening Price"])),
            SmallerThanFormula(
                IdentifierTerm("b", lambda x: x["Opening Price"]),
                IdentifierTerm("c", lambda x: x["Opening Price"]))),
        timedelta(minutes=5))
    pattern.setAdditionalStatistics(StatisticsTypes.FREQUENCY_DICT, {
        "AAPL": 2,
        "AMZN": 3,
        "LOCM": 1
    })
    runTest("frequency2", [pattern], createTestFile,
            AscendingFrequencyAlgorithm())
示例#8
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def nonsensePatternSearchTest(createTestFile=False):
    """
    This pattern is looking for something that does not make sense.
    PATTERN AND(AmazonStockPriceUpdate a, AvidStockPriceUpdate b, AppleStockPriceUpdate c)
    WHERE a.PeakPrice < b.PeakPrice AND b.PeakPrice < c.PeakPrice AND c.PeakPrice < a.PeakPrice
    """
    nonsensePattern = Pattern(
        AndOperator(
            [QItem("AMZN", "a"),
             QItem("AVID", "b"),
             QItem("AAPL", "c")]),
        AndFormula(
            SmallerThanFormula(IdentifierTerm("a", lambda x: x["Peak Price"]),
                               IdentifierTerm("b", lambda x: x["Peak Price"])),
            AndFormula(
                SmallerThanFormula(
                    IdentifierTerm("b", lambda x: x["Peak Price"]),
                    IdentifierTerm("c", lambda x: x["Peak Price"])),
                SmallerThanFormula(
                    IdentifierTerm("c", lambda x: x["Peak Price"]),
                    IdentifierTerm("a", lambda x: x["Peak Price"])))),
        timedelta(minutes=1))
    runTest('nonsense', [nonsensePattern], createTestFile)