Repository: incubator-metron Updated Branches: refs/heads/master 4a4cb8b11 -> e7fed2d58
METRON-426: Stellar does not support scientific notation as a literal closes apache/incubator-metron#257 Project: http://git-wip-us.apache.org/repos/asf/incubator-metron/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-metron/commit/e7fed2d5 Tree: http://git-wip-us.apache.org/repos/asf/incubator-metron/tree/e7fed2d5 Diff: http://git-wip-us.apache.org/repos/asf/incubator-metron/diff/e7fed2d5 Branch: refs/heads/master Commit: e7fed2d587f7878af52b6e17f091f07193ad51c7 Parents: 4a4cb8b Author: cstella <ceste...@gmail.com> Authored: Wed Sep 21 14:31:17 2016 -0400 Committer: cstella <ceste...@gmail.com> Committed: Wed Sep 21 14:31:17 2016 -0400 ---------------------------------------------------------------------- .../metron/common/stellar/generated/Stellar.g4 | 3 +- .../metron-common/src/main/java/Stellar.tokens | 13 +- .../src/main/java/StellarLexer.tokens | 13 +- .../math/stats/OnlineStatisticsProvider.java | 5 +- .../common/stellar/generated/StellarLexer.java | 209 ++++++++++--------- .../common/stellar/generated/StellarParser.java | 21 +- .../stellar/StellarStatisticsFunctionsTest.java | 10 +- .../metron/common/stellar/StellarTest.java | 16 ++ 8 files changed, 163 insertions(+), 127 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 b/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 index 023e807..55f900a 100644 --- a/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 +++ b/metron-platform/metron-common/src/main/antlr4/org/apache/metron/common/stellar/generated/Stellar.g4 @@ -87,8 +87,9 @@ IN : 'in' NIN : 'not in' ; EXISTS : 'exists' | 'EXISTS'; +EXPONENT : ('e' | 'E') ( PLUS|MINUS )? ('0'..'9')+; INT_LITERAL : MINUS? '0'..'9'+ ; -DOUBLE_LITERAL : MINUS? '0'..'9'+'.''0'..'9'+ ; +DOUBLE_LITERAL : MINUS? '0'..'9'+'.''0'..'9'+EXPONENT? ; IDENTIFIER : [a-zA-Z_][a-zA-Z_\.:0-9]* ; fragment SCHAR: ~['"\\\r\n]; STRING_LITERAL : '"' SCHAR* '"' http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/java/Stellar.tokens ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/java/Stellar.tokens b/metron-platform/metron-common/src/main/java/Stellar.tokens index c9e92bd..d3658b7 100644 --- a/metron-platform/metron-common/src/main/java/Stellar.tokens +++ b/metron-platform/metron-common/src/main/java/Stellar.tokens @@ -29,12 +29,13 @@ RPAREN=28 IN=29 NIN=30 EXISTS=31 -INT_LITERAL=32 -DOUBLE_LITERAL=33 -IDENTIFIER=34 -STRING_LITERAL=35 -COMMENT=36 -WS=37 +EXPONENT=32 +INT_LITERAL=33 +DOUBLE_LITERAL=34 +IDENTIFIER=35 +STRING_LITERAL=36 +COMMENT=37 +WS=38 ','=1 '=='=7 '!='=8 http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/java/StellarLexer.tokens ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/java/StellarLexer.tokens b/metron-platform/metron-common/src/main/java/StellarLexer.tokens index c9e92bd..d3658b7 100644 --- a/metron-platform/metron-common/src/main/java/StellarLexer.tokens +++ b/metron-platform/metron-common/src/main/java/StellarLexer.tokens @@ -29,12 +29,13 @@ RPAREN=28 IN=29 NIN=30 EXISTS=31 -INT_LITERAL=32 -DOUBLE_LITERAL=33 -IDENTIFIER=34 -STRING_LITERAL=35 -COMMENT=36 -WS=37 +EXPONENT=32 +INT_LITERAL=33 +DOUBLE_LITERAL=34 +IDENTIFIER=35 +STRING_LITERAL=36 +COMMENT=37 +WS=38 ','=1 '=='=7 '!='=8 http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/java/org/apache/metron/common/math/stats/OnlineStatisticsProvider.java ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/math/stats/OnlineStatisticsProvider.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/math/stats/OnlineStatisticsProvider.java index c8a7d5c..06a5b81 100644 --- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/math/stats/OnlineStatisticsProvider.java +++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/math/stats/OnlineStatisticsProvider.java @@ -41,9 +41,10 @@ public class OnlineStatisticsProvider implements StatisticsProvider, KryoSeriali * A sensible default for compression to use in the T-Digest. * As per https://github.com/tdunning/t-digest/blob/master/src/main/java/com/tdunning/math/stats/TDigest.java#L86 * 100 is a sensible default and the number of centroids retained (to construct the sketch) - * is usually a smallish (usually < 10) multiple of the compression. + * is usually a smallish (usually < 10) multiple of the compression. However, we have found through some + * testing that 150 gives a bit finer granularity for smaller numbers of data points. */ - public static final int COMPRESSION = 100; + public static final int COMPRESSION = 150; /** http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java index 7240d1e..c63fc03 100644 --- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java +++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarLexer.java @@ -40,8 +40,9 @@ public class StellarLexer extends Lexer { COMMA=1, AND=2, OR=3, NOT=4, TRUE=5, FALSE=6, EQ=7, NEQ=8, LT=9, LTE=10, GT=11, GTE=12, QUESTION=13, COLON=14, IF=15, THEN=16, ELSE=17, NULL=18, MINUS=19, PLUS=20, DIV=21, MUL=22, LBRACE=23, RBRACE=24, LBRACKET=25, - RBRACKET=26, LPAREN=27, RPAREN=28, IN=29, NIN=30, EXISTS=31, INT_LITERAL=32, - DOUBLE_LITERAL=33, IDENTIFIER=34, STRING_LITERAL=35, COMMENT=36, WS=37; + RBRACKET=26, LPAREN=27, RPAREN=28, IN=29, NIN=30, EXISTS=31, EXPONENT=32, + INT_LITERAL=33, DOUBLE_LITERAL=34, IDENTIFIER=35, STRING_LITERAL=36, COMMENT=37, + WS=38; public static String[] modeNames = { "DEFAULT_MODE" }; @@ -50,8 +51,8 @@ public class StellarLexer extends Lexer { "COMMA", "AND", "OR", "NOT", "TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "QUESTION", "COLON", "IF", "THEN", "ELSE", "NULL", "MINUS", "PLUS", "DIV", "MUL", "LBRACE", "RBRACE", "LBRACKET", "RBRACKET", "LPAREN", - "RPAREN", "IN", "NIN", "EXISTS", "INT_LITERAL", "DOUBLE_LITERAL", "IDENTIFIER", - "SCHAR", "STRING_LITERAL", "COMMENT", "WS" + "RPAREN", "IN", "NIN", "EXISTS", "EXPONENT", "INT_LITERAL", "DOUBLE_LITERAL", + "IDENTIFIER", "SCHAR", "STRING_LITERAL", "COMMENT", "WS" }; private static final String[] _LITERAL_NAMES = { @@ -63,8 +64,8 @@ public class StellarLexer extends Lexer { null, "COMMA", "AND", "OR", "NOT", "TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "QUESTION", "COLON", "IF", "THEN", "ELSE", "NULL", "MINUS", "PLUS", "DIV", "MUL", "LBRACE", "RBRACE", "LBRACKET", "RBRACKET", - "LPAREN", "RPAREN", "IN", "NIN", "EXISTS", "INT_LITERAL", "DOUBLE_LITERAL", - "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS" + "LPAREN", "RPAREN", "IN", "NIN", "EXISTS", "EXPONENT", "INT_LITERAL", + "DOUBLE_LITERAL", "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS" }; public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES); @@ -121,105 +122,111 @@ public class StellarLexer extends Lexer { public ATN getATN() { return _ATN; } public static final String _serializedATN = - 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"\u0100\3\2\2\2\u0100\u0101\3\2\2\2\u0101\u0103\7\60\2\2\u0102\u0104\4"+ + "\62;\2\u0103\u0102\3\2\2\2\u0104\u0105\3\2\2\2\u0105\u0103\3\2\2\2\u0105"+ + "\u0106\3\2\2\2\u0106\u0108\3\2\2\2\u0107\u0109\5A!\2\u0108\u0107\3\2\2"+ + "\2\u0108\u0109\3\2\2\2\u0109F\3\2\2\2\u010a\u010e\t\3\2\2\u010b\u010d"+ + "\t\4\2\2\u010c\u010b\3\2\2\2\u010d\u0110\3\2\2\2\u010e\u010c\3\2\2\2\u010e"+ + "\u010f\3\2\2\2\u010fH\3\2\2\2\u0110\u010e\3\2\2\2\u0111\u0112\n\5\2\2"+ + "\u0112J\3\2\2\2\u0113\u0117\7$\2\2\u0114\u0116\5I%\2\u0115\u0114\3\2\2"+ + "\2\u0116\u0119\3\2\2\2\u0117\u0115\3\2\2\2\u0117\u0118\3\2\2\2\u0118\u011a"+ + "\3\2\2\2\u0119\u0117\3\2\2\2\u011a\u0124\7$\2\2\u011b\u011f\7)\2\2\u011c"+ + "\u011e\5I%\2\u011d\u011c\3\2\2\2\u011e\u0121\3\2\2\2\u011f\u011d\3\2\2"+ + "\2\u011f\u0120\3\2\2\2\u0120\u0122\3\2\2\2\u0121\u011f\3\2\2\2\u0122\u0124"+ + "\7)\2\2\u0123\u0113\3\2\2\2\u0123\u011b\3\2\2\2\u0124L\3\2\2\2\u0125\u0126"+ + "\7\61\2\2\u0126\u0127\7\61\2\2\u0127\u0129\3\2\2\2\u0128\u012a\13\2\2"+ + "\2\u0129\u0128\3\2\2\2\u012a\u012b\3\2\2\2\u012b\u012c\3\2\2\2\u012b\u0129"+ + "\3\2\2\2\u012c\u012e\3\2\2\2\u012d\u012f\t\6\2\2\u012e\u012d\3\2\2\2\u012f"+ + "\u0130\3\2\2\2\u0130\u0131\b\'\2\2\u0131N\3\2\2\2\u0132\u0134\t\7\2\2"+ + "\u0133\u0132\3\2\2\2\u0134\u0135\3\2\2\2\u0135\u0133\3\2\2\2\u0135\u0136"+ + "\3\2\2\2\u0136\u0137\3\2\2\2\u0137\u0138\b(\2\2\u0138P\3\2\2\2\34\2[c"+ + "ku\u0081\u009b\u00a5\u00af\u00b9\u00e5\u00ea\u00ef\u00f2\u00f7\u00fa\u00ff"+ + "\u0105\u0108\u010e\u0117\u011f\u0123\u012b\u012e\u0135\3\b\2\2"; public static final ATN _ATN = new ATNDeserializer().deserialize(_serializedATN.toCharArray()); static { http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java index 1d9e352..c1e388b 100644 --- a/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java +++ b/metron-platform/metron-common/src/main/java/org/apache/metron/common/stellar/generated/StellarParser.java @@ -40,8 +40,9 @@ public class StellarParser extends Parser { COMMA=1, AND=2, OR=3, NOT=4, TRUE=5, FALSE=6, EQ=7, NEQ=8, LT=9, LTE=10, GT=11, GTE=12, QUESTION=13, COLON=14, IF=15, THEN=16, ELSE=17, NULL=18, MINUS=19, PLUS=20, DIV=21, MUL=22, LBRACE=23, RBRACE=24, LBRACKET=25, - RBRACKET=26, LPAREN=27, RPAREN=28, IN=29, NIN=30, EXISTS=31, INT_LITERAL=32, - DOUBLE_LITERAL=33, IDENTIFIER=34, STRING_LITERAL=35, COMMENT=36, WS=37; + RBRACKET=26, LPAREN=27, RPAREN=28, IN=29, NIN=30, EXISTS=31, EXPONENT=32, + INT_LITERAL=33, DOUBLE_LITERAL=34, IDENTIFIER=35, STRING_LITERAL=36, COMMENT=37, + WS=38; public static final int RULE_transformation = 0, RULE_transformation_expr = 1, RULE_conditional_expr = 2, RULE_comparison_expr = 3, RULE_transformation_entity = 4, RULE_comp_operator = 5, @@ -65,8 +66,8 @@ public class StellarParser extends Parser { null, "COMMA", "AND", "OR", "NOT", "TRUE", "FALSE", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "QUESTION", "COLON", "IF", "THEN", "ELSE", "NULL", "MINUS", "PLUS", "DIV", "MUL", "LBRACE", "RBRACE", "LBRACKET", "RBRACKET", - "LPAREN", "RPAREN", "IN", "NIN", "EXISTS", "INT_LITERAL", "DOUBLE_LITERAL", - "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS" + "LPAREN", "RPAREN", "IN", "NIN", "EXISTS", "EXPONENT", "INT_LITERAL", + "DOUBLE_LITERAL", "IDENTIFIER", "STRING_LITERAL", "COMMENT", "WS" }; public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES); @@ -2091,7 +2092,7 @@ public class StellarParser extends Parser { } public static final String _serializedATN = - "\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3\'\u00e4\4\2\t\2\4"+ + "\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\3(\u00e4\4\2\t\2\4"+ "\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13\t"+ "\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+ "\4\23\t\23\3\2\3\2\3\2\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\3\5\3\62\n\3\3\4"+ @@ -2150,16 +2151,16 @@ public class StellarParser extends Parser { "\u00b9\7\30\2\2\u00b9\u00be\5\36\20\5\u00ba\u00bb\f\3\2\2\u00bb\u00bc"+ "\7\27\2\2\u00bc\u00be\5\36\20\4\u00bd\u00b7\3\2\2\2\u00bd\u00ba\3\2\2"+ "\2\u00be\u00c1\3\2\2\2\u00bf\u00bd\3\2\2\2\u00bf\u00c0\3\2\2\2\u00c0\37"+ - "\3\2\2\2\u00c1\u00bf\3\2\2\2\u00c2\u00c3\7$\2\2\u00c3\u00c4\5\22\n\2\u00c4"+ - "!\3\2\2\2\u00c5\u00d2\5 \21\2\u00c6\u00d2\7#\2\2\u00c7\u00d2\7\"\2\2\u00c8"+ - "\u00d2\7$\2\2\u00c9\u00ca\7\35\2\2\u00ca\u00cb\5\34\17\2\u00cb\u00cc\7"+ + "\3\2\2\2\u00c1\u00bf\3\2\2\2\u00c2\u00c3\7%\2\2\u00c3\u00c4\5\22\n\2\u00c4"+ + "!\3\2\2\2\u00c5\u00d2\5 \21\2\u00c6\u00d2\7$\2\2\u00c7\u00d2\7#\2\2\u00c8"+ + "\u00d2\7%\2\2\u00c9\u00ca\7\35\2\2\u00ca\u00cb\5\34\17\2\u00cb\u00cc\7"+ "\36\2\2\u00cc\u00d2\3\2\2\2\u00cd\u00ce\7\35\2\2\u00ce\u00cf\5\6\4\2\u00cf"+ "\u00d0\7\36\2\2\u00d0\u00d2\3\2\2\2\u00d1\u00c5\3\2\2\2\u00d1\u00c6\3"+ "\2\2\2\u00d1\u00c7\3\2\2\2\u00d1\u00c8\3\2\2\2\u00d1\u00c9\3\2\2\2\u00d1"+ "\u00cd\3\2\2\2\u00d2#\3\2\2\2\u00d3\u00e2\t\5\2\2\u00d4\u00e2\5\34\17"+ - "\2\u00d5\u00e2\7%\2\2\u00d6\u00e2\5\26\f\2\u00d7\u00e2\5\32\16\2\u00d8"+ + "\2\u00d5\u00e2\7&\2\2\u00d6\u00e2\5\26\f\2\u00d7\u00e2\5\32\16\2\u00d8"+ "\u00e2\7\24\2\2\u00d9\u00da\7!\2\2\u00da\u00db\7\35\2\2\u00db\u00dc\7"+ - "$\2\2\u00dc\u00e2\7\36\2\2\u00dd\u00de\7\35\2\2\u00de\u00df\5\6\4\2\u00df"+ + "%\2\2\u00dc\u00e2\7\36\2\2\u00dd\u00de\7\35\2\2\u00de\u00df\5\6\4\2\u00df"+ "\u00e0\7\36\2\2\u00e0\u00e2\3\2\2\2\u00e1\u00d3\3\2\2\2\u00e1\u00d4\3"+ "\2\2\2\u00e1\u00d5\3\2\2\2\u00e1\u00d6\3\2\2\2\u00e1\u00d7\3\2\2\2\u00e1"+ "\u00d8\3\2\2\2\u00e1\u00d9\3\2\2\2\u00e1\u00dd\3\2\2\2\u00e2%\3\2\2\2"+ http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarStatisticsFunctionsTest.java ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarStatisticsFunctionsTest.java b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarStatisticsFunctionsTest.java index 8cfa8a3..81c6864 100644 --- a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarStatisticsFunctionsTest.java +++ b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarStatisticsFunctionsTest.java @@ -21,6 +21,7 @@ package org.apache.metron.common.stellar; import com.google.common.base.Joiner; +import com.google.common.collect.Iterables; import org.apache.commons.math3.random.GaussianRandomGenerator; import org.apache.commons.math3.random.MersenneTwister; import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics; @@ -178,13 +179,20 @@ public class StellarStatisticsFunctionsTest { } @Test + public void ensureDeterminism() throws Exception { + for(int i = 0;i < 20;++i) { + testMergeProviders(); + } + } + + @Test public void testMergeProviders() throws Exception { List<StatisticsProvider> providers = new ArrayList<>(); /* Create 10 providers, each with a sample drawn from a gaussian distribution. Update the reference stats from commons math to ensure we are */ - GaussianRandomGenerator gaussian = new GaussianRandomGenerator(new MersenneTwister(0L)); + GaussianRandomGenerator gaussian = new GaussianRandomGenerator(new MersenneTwister(1L)); SummaryStatistics sStatistics= new SummaryStatistics(); DescriptiveStatistics dStatistics = new DescriptiveStatistics(); for(int i = 0;i < 10;++i) { http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/e7fed2d5/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java ---------------------------------------------------------------------- diff --git a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java index 4f01026..dc04600 100644 --- a/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java +++ b/metron-platform/metron-common/src/test/java/org/apache/metron/common/stellar/StellarTest.java @@ -173,6 +173,22 @@ public class StellarTest { } @Test + public void testArithmetic() { + { + String query = "1 + 2"; + Assert.assertEquals(3, ((Number)run(query, new HashMap<>())).doubleValue(), 1e-3); + } + { + String query = "1.2 + 2"; + Assert.assertEquals(3.2, ((Number)run(query, new HashMap<>())).doubleValue(), 1e-3); + } + { + String query = "1.2e-3 + 2"; + Assert.assertEquals(1.2e-3 + 2, ((Number)run(query, new HashMap<>())).doubleValue(), 1e-3); + } + } + + @Test public void testIfThenElse() { { String query = "if STARTS_WITH(casey, 'case') then 'one' else 'two'";