def googleAmazonLowPatternSearchTest(createTestFile=False):
"""
This pattern is looking for low prices of Amazon and Google at the same minute.
PATTERN AND(AmazonStockPriceUpdate a, GoogleStockPriceUpdate g)
WHERE a.PeakPrice <= 73 AND g.PeakPrice <= 525
WITHIN 1 minute
"""
googleAmazonLowPattern = Pattern(
AndOperator([QItem("AMZN", "a"),
QItem("GOOG", "g")]),
AndFormula(
SmallerThanEqFormula(
IdentifierTerm("a", lambda x: x["Peak Price"]),
AtomicTerm(73)),
SmallerThanEqFormula(
IdentifierTerm("g", lambda x: x["Peak Price"]),
AtomicTerm(525))), timedelta(minutes=1))
runTest('googleAmazonLow', [googleAmazonLowPattern], createTestFile)
def amazonSpecificPatternSearchTest(createTestFile=False):
"""
This pattern is looking for an amazon stock in peak price of 73.
"""
amazonSpecificPattern = Pattern(
SeqOperator([QItem("AMZN", "a")]),
EqFormula(IdentifierTerm("a", lambda x: x["Peak Price"]),
AtomicTerm(73)))
runTest('amazonSpecific', [amazonSpecificPattern], createTestFile)
def frequencyTailoredPatternSearchTest(createTestFile=False):
pattern = Pattern(
SeqOperator(
[QItem("DRIV", "a"),
QItem("MSFT", "b"),
QItem("CBRL", "c")]),
AndFormula(
GreaterThanFormula(
IdentifierTerm("a", lambda x: x["Opening Price"]),
IdentifierTerm("b", lambda x: x["Opening Price"])),
GreaterThanFormula(
IdentifierTerm("b", lambda x: x["Opening Price"]),
IdentifierTerm("c", lambda x: x["Opening Price"]))),
timedelta.max)
frequencyDict = {"MSFT": 256, "DRIV": 257, "CBRL": 1}
pattern.setAdditionalStatistics(StatisticsTypes.FREQUENCY_DICT,
frequencyDict)
runTest('frequencyTailored1', [pattern], createTestFile,
AscendingFrequencyAlgorithm(), nasdaqEventStream)
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)
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)
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())
def simplePatternSearchTest(createTestFile=False):
"""
PATTERN SEQ(AppleStockPriceUpdate a, AmazonStockPriceUpdate b, AvidStockPriceUpdate c)
WHERE a.OpeningPrice > b.OpeningPrice
AND b.OpeningPrice > c.OpeningPrice
WITHIN 5 minutes
"""
pattern = Pattern(
SeqOperator(
[QItem("AAPL", "a"),
QItem("AMZN", "b"),
QItem("AVID", "c")]),
AndFormula(
GreaterThanFormula(
IdentifierTerm("a", lambda x: x["Opening Price"]),
IdentifierTerm("b", lambda x: x["Opening Price"])),
GreaterThanFormula(
IdentifierTerm("b", lambda x: x["Opening Price"]),
IdentifierTerm("c", lambda x: x["Opening Price"]))),
timedelta(minutes=5))
runTest("simple", [pattern], createTestFile)
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)
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)
def oneArgumentsearchTest(createTestFile=False):
pattern = Pattern(
SeqOperator([QItem("AAPL", "a")]),
GreaterThanFormula(IdentifierTerm("a", lambda x: x["Opening Price"]),
AtomicTerm(135)), timedelta.max)
runTest("one", [pattern], createTestFile)
