You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@griffin.apache.org by gu...@apache.org on 2017/05/23 03:36:01 UTC

[2/3] incubator-griffin git commit: clean files

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParser.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParser.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParser.scala
deleted file mode 100644
index 6070189..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParser.scala
+++ /dev/null
@@ -1,298 +0,0 @@
-package org.apache.griffin.measure.batch.rule
-
-import org.apache.griffin.measure.batch.rule.expr._
-
-import scala.util.parsing.combinator._
-
-case class RuleParser() extends JavaTokenParsers with Serializable {
-
-  /**
-    * BNF representation for grammar as below:
-    *
-    * <rule> ::= <logical-statement> [WHEN <logical-statement>]
-    * rule: mapping-rule [WHEN when-rule]
-    * - mapping-rule: the first level opr should better not be OR | NOT, otherwise it can't automatically find the groupby column
-    * - when-rule: only contain the general info of data source, not the special info of each data row
-    *
-    * <logical-statement> ::= [NOT] <logical-expression> [(AND | OR) <logical-expression>]+ | "(" <logical-statement> ")"
-    * logical-statement: return boolean value
-    * logical-operator: "AND" | "&&", "OR" | "||", "NOT" | "!"
-    *
-    * <logical-expression> ::= <math-expr> (<compare-opr> <math-expr> | <range-opr> <range-expr>)
-    * logical-expression example: $source.id = $target.id, $source.page_id IN ('3214', '4312', '60821')
-    *
-    * <compare-opr> ::= "=" | "!=" | "<" | ">" | "<=" | ">="
-    * <range-opr> ::= ["NOT"] "IN" | "BETWEEN"
-    * <range-expr> ::= "(" [<math-expr>] [, <math-expr>]+ ")"
-    * range-expr example: ('3214', '4312', '60821'), (10, 15), ()
-    *
-    * <math-expr> ::= [<unary-opr>] <math-factor> [<binary-opr> <math-factor>]+
-    * math-expr example: $source.price * $target.count, "hello" + " " + "world" + 123
-    *
-    * <binary-opr> ::= "+" | "-" | "*" | "/" | "%"
-    * <unary-opr> ::= "+" | "-"
-    *
-    * <math-factor> ::= <literal> | <selection> | "(" <math-expr> ")"
-    *
-    * <selection> ::= <selection-head> [ <field-sel> | <function-operation> | <index-field-range-sel> | <filter-sel> ]+
-    * selection example: $source.price, $source.json(), $source['state'], $source.numList[3], $target.json().mails['org' = 'apache'].names[*]
-    *
-    * <selection-head> ::= $source | $target
-    *
-    * <field-sel> ::= "." <field-string>
-    *
-    * <function-operation> ::= "." <function-name> "(" <arg> [, <arg>]+ ")"
-    * <function-name> ::= <name-string>
-    * <arg> ::= <math-expr>
-    *
-    * <index-field-range-sel> ::= "[" <index-field-range> [, <index-field-range>]+ "]"
-    * <index-field-range> ::= <index-field> | (<index-field>, <index-field>) | "*"
-    * index-field-range: 2 means the 3rd item, (0, 3) means first 4 items, * means all items, 'age' means item 'age'
-    * <index-field> ::= <index> | <field-quote> | <all-selection>
-    * index: 0 ~ n means position from start, -1 ~ -n means position from end
-    * <field-quote> ::= ' <field-string> ' | " <field-string> "
-    *
-    * <filter-sel> ::= "[" <field-quote> <filter-compare-opr> <math-expr> "]"
-    * <filter-compare-opr> ::= "=" | "!=" | "<" | ">" | "<=" | ">="
-    * filter-sel example: ['name' = 'URL'], $source.man['age' > $source.graduate_age + 5 ]
-    *
-    * When <math-expr> in the selection, it mustn't contain the different <selection-head>, for example:
-    * $source.tags[1+2]             valid
-    * $source.tags[$source.first]   valid
-    * $source.tags[$target.first]   invalid
-    * -- Such job is for validation, not for parser
-    *
-    *
-    * <literal> ::= <literal-string> | <literal-number> | <literal-time> | <literal-boolean>
-    * <literal-string> ::= <any-string>
-    * <literal-number> ::= <integer> | <double>
-    * <literal-time> ::= <integer> ("d"|"h"|"m"|"s"|"ms")
-    * <literal-boolean> ::= true | false
-    *
-    */
-
-  object Keyword {
-    def WhenKeywords: Parser[String] = """(?i)when""".r
-    def UnaryLogicalKeywords: Parser[String] = """(?i)not""".r
-    def BinaryLogicalKeywords: Parser[String] = """(?i)and|or""".r
-    def RangeKeywords: Parser[String] = """(?i)(not\s+)?(in|between)""".r
-    def DataSourceKeywords: Parser[String] = """(?i)\$(source|target)""".r
-    def Keywords: Parser[String] = WhenKeywords | UnaryLogicalKeywords | BinaryLogicalKeywords | RangeKeywords | DataSourceKeywords
-  }
-  import Keyword._
-
-  object Operator {
-    def NotLogicalOpr: Parser[String] = """(?i)not""".r | "!"
-    def AndLogicalOpr: Parser[String] = """(?i)and""".r | "&&"
-    def OrLogicalOpr: Parser[String] = """(?i)or""".r | "||"
-    def CompareOpr: Parser[String] = """!?==?""".r | """<=?""".r | """>=?""".r
-    def RangeOpr: Parser[String] = RangeKeywords
-
-    def UnaryMathOpr: Parser[String] = "+" | "-"
-    def BinaryMathOpr1: Parser[String] = "*" | "/" | "%"
-    def BinaryMathOpr2: Parser[String] = "+" | "-"
-
-    def FilterCompareOpr: Parser[String] = """!?==?""".r | """<=?""".r | """>=?""".r
-
-    def SqBracketPair: (Parser[String], Parser[String]) = ("[", "]")
-    def BracketPair: (Parser[String], Parser[String]) = ("(", ")")
-    def Dot: Parser[String] = "."
-    def AllSelection: Parser[String] = "*"
-    def SQuote: Parser[String] = "'"
-    def DQuote: Parser[String] = "\""
-    def Comma: Parser[String] = ","
-  }
-  import Operator._
-
-  object SomeString {
-    def AnyString: Parser[String] = """[^'\"{}\[\]()=<>.$@,;+\-*/\\]*""".r
-    def SimpleFieldString: Parser[String] = """\w+""".r
-    def FieldString: Parser[String] = """[\w\s]+""".r
-    def NameString: Parser[String] = """[a-zA-Z_]\w*""".r
-  }
-  import SomeString._
-
-  object SomeNumber {
-    def IntegerNumber: Parser[String] = """[+\-]?\d+""".r
-    def DoubleNumber: Parser[String] = """[+\-]?(\.\d+|\d+\.\d*)""".r
-    def IndexNumber: Parser[String] = IntegerNumber
-  }
-  import SomeNumber._
-
-  // -- literal --
-  def literal: Parser[LiteralExpr] = literialString | literialTime | literialNumber | literialBoolean
-  def literialString: Parser[LiteralStringExpr] = (SQuote ~> AnyString <~ SQuote | DQuote ~> AnyString <~ DQuote) ^^ { LiteralStringExpr(_) }
-  def literialNumber: Parser[LiteralNumberExpr] = (DoubleNumber | IntegerNumber) ^^ { LiteralNumberExpr(_) }
-  def literialTime: Parser[LiteralTimeExpr] = """(\d+(d|h|m|s|ms))+""".r ^^ { LiteralTimeExpr(_) }
-  def literialBoolean: Parser[LiteralBooleanExpr] = ("""(?i)true""".r | """(?i)false""".r) ^^ { LiteralBooleanExpr(_) }
-
-  // -- selection --
-  // <selection> ::= <selection-head> [ <field-sel> | <function-operation> | <index-field-range-sel> | <filter-sel> ]+
-  def selection: Parser[SelectionExpr] = selectionHead ~ rep(selector) ^^ {
-    case head ~ selectors => SelectionExpr(head, selectors)
-  }
-  def selector: Parser[SelectExpr] = (fieldSelect | functionOperation | indexFieldRangeSelect | filterSelect)
-
-  def selectionHead: Parser[SelectionHead] = DataSourceKeywords ^^ { SelectionHead(_) }
-  // <field-sel> ::= "." <field-string>
-  def fieldSelect: Parser[IndexFieldRangeSelectExpr] = Dot ~> SimpleFieldString ^^ {
-    case field => IndexFieldRangeSelectExpr(FieldDesc(field) :: Nil)
-  }
-  // <function-operation> ::= "." <function-name> "(" <arg> [, <arg>]+ ")"
-  def functionOperation: Parser[FunctionOperationExpr] = Dot ~ NameString ~ BracketPair._1 ~ repsep(argument, Comma) ~ BracketPair._2 ^^ {
-    case _ ~ func ~ _ ~ args ~ _ => FunctionOperationExpr(func, args)
-  }
-  def argument: Parser[MathExpr] = mathExpr
-  // <index-field-range-sel> ::= "[" <index-field-range> [, <index-field-range>]+ "]"
-  def indexFieldRangeSelect: Parser[IndexFieldRangeSelectExpr] = SqBracketPair._1 ~> rep1sep(indexFieldRange, Comma) <~ SqBracketPair._2 ^^ {
-    case ifrs => IndexFieldRangeSelectExpr(ifrs)
-  }
-  // <index-field-range> ::= <index-field> | (<index-field>, <index-field>) | "*"
-  def indexFieldRange: Parser[FieldDescOnly] = indexField | BracketPair._1 ~ indexField ~ Comma ~ indexField ~ BracketPair._2 ^^ {
-    case _ ~ if1 ~ _ ~ if2 ~ _ => FieldRangeDesc(if1, if2)
-  }
-  // <index-field> ::= <index> | <field-quote> | <all-selection>
-  // *here it can parse <math-expr>, but for simple situation, not supported now*
-  def indexField: Parser[FieldDescOnly] = IndexNumber ^^ { IndexDesc(_) } | fieldQuote | AllSelection ^^ { AllFieldsDesc(_) }
-  // <field-quote> ::= ' <field-string> ' | " <field-string> "
-  def fieldQuote: Parser[FieldDesc] = (SQuote ~> FieldString <~ SQuote | DQuote ~> FieldString <~ DQuote) ^^ { FieldDesc(_) }
-  // <filter-sel> ::= "[" <field-quote> <filter-compare-opr> <math-expr> "]"
-  def filterSelect: Parser[FilterSelectExpr] = SqBracketPair._1 ~> fieldQuote ~ FilterCompareOpr ~ mathExpr <~ SqBracketPair._2 ^^ {
-    case field ~ compare ~ value => FilterSelectExpr(field, compare, value)
-  }
-
-  // -- math --
-  // <math-factor> ::= <literal> | <selection> | "(" <math-expr> ")"
-  def mathFactor: Parser[MathExpr] = (literal | selection | BracketPair._1 ~> mathExpr <~ BracketPair._2) ^^ { MathFactorExpr(_) }
-  // <math-expr> ::= [<unary-opr>] <math-factor> [<binary-opr> <math-factor>]+
-  // <unary-opr> ::= "+" | "-"
-  def unaryMathExpr: Parser[MathExpr] = rep(UnaryMathOpr) ~ mathFactor ^^ {
-    case Nil ~ a => a
-    case list ~ a => UnaryMathExpr(list, a)
-  }
-  // <binary-opr> ::= "+" | "-" | "*" | "/" | "%"
-  def binaryMathExpr1: Parser[MathExpr] = unaryMathExpr ~ rep(BinaryMathOpr1 ~ unaryMathExpr) ^^ {
-    case a ~ Nil => a
-    case a ~ list => BinaryMathExpr(a, list.map(c => (c._1, c._2)))
-  }
-  def binaryMathExpr2: Parser[MathExpr] = binaryMathExpr1 ~ rep(BinaryMathOpr2 ~ binaryMathExpr1) ^^ {
-    case a ~ Nil => a
-    case a ~ list => BinaryMathExpr(a, list.map(c => (c._1, c._2)))
-  }
-  def mathExpr: Parser[MathExpr] = binaryMathExpr2
-
-  // -- logical expression --
-  // <range-expr> ::= "(" [<math-expr>] [, <math-expr>]+ ")"
-  def rangeExpr: Parser[RangeDesc] = BracketPair._1 ~> repsep(mathExpr, Comma) <~ BracketPair._2 ^^ { RangeDesc(_) }
-  // <logical-expression> ::= <math-expr> (<compare-opr> <math-expr> | <range-opr> <range-expr>)
-  def logicalExpr: Parser[LogicalExpr] = mathExpr ~ CompareOpr ~ mathExpr ^^ {
-    case left ~ opr ~ right => LogicalCompareExpr(left, opr, right)
-  } | mathExpr ~ RangeOpr ~ rangeExpr ^^ {
-    case left ~ opr ~ range => LogicalRangeExpr(left, opr, range)
-  }
-
-  // -- logical statement --
-  def logicalFactor: Parser[LogicalExpr] = logicalExpr | BracketPair._1 ~> logicalStatement <~ BracketPair._2
-  def notLogicalStatement: Parser[LogicalExpr] = rep(NotLogicalOpr) ~ logicalFactor ^^ {
-    case Nil ~ a => a
-    case list ~ a => UnaryLogicalExpr(list, a)
-  }
-  def andLogicalStatement: Parser[LogicalExpr] = notLogicalStatement ~ rep(AndLogicalOpr ~ notLogicalStatement) ^^ {
-    case a ~ Nil => a
-    case a ~ list => BinaryLogicalExpr(a, list.map(c => (c._1, c._2)))
-  }
-  def orLogicalStatement: Parser[LogicalExpr] = andLogicalStatement ~ rep(OrLogicalOpr ~ andLogicalStatement) ^^ {
-    case a ~ Nil => a
-    case a ~ list => BinaryLogicalExpr(a, list.map(c => (c._1, c._2)))
-  }
-  // <logical-statement> ::= [NOT] <logical-expression> [(AND | OR) <logical-expression>]+ | "(" <logical-statement> ")"
-  def logicalStatement: Parser[LogicalExpr] = orLogicalStatement
-
-  // -- rule --
-  // <rule> ::= <logical-statement> [WHEN <logical-statement>]
-  def rule: Parser[StatementExpr] = logicalStatement ~ opt(WhenKeywords ~> logicalStatement) ^^ {
-    case ls ~ Some(ws) => WhenClauseStatementExpr(ls, ws)
-    case ls ~ _ => SimpleStatementExpr(ls)
-  }
-
-  // for complie only
-//  case class NullStatementExpr(expression: String) extends StatementExpr {
-//    def genValue(values: Map[String, Any]): Option[Any] = None
-//    def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = Nil
-//  }
-//  def statementsExpr = mathExpr ^^ { NullStatementExpr(_) }
-
-
-//
-//  // basic
-//  val anyString: Parser[String] = """[^'{}\[\]()=<>.$@;+\-*/\\\"]*""".r
-//  val variable: Parser[String] = """[a-zA-Z_]\w*""".r
-//  val number: Parser[String] = """[+\-]?\d+""".r
-//  val time: Parser[String] = """\d+(y|M|w|d|h|m|s|ms)""".r
-//
-//  val numPosition: Parser[String] = """\d+""".r
-//  val anyPosition: Parser[String] = "*"
-//
-//  val filterOpr: Parser[String] = "=" | "!=" | ">" | "<" | ">=" | "<="
-//
-//  val opr1: Parser[String] = "*" | "/" | "%"
-//  val opr2: Parser[String] = "+" | "-"
-//
-//  val assignOpr: Parser[String] = "="
-//  val compareOpr: Parser[String] = "==" | "!=" | ">" | "<" | ">=" | "<="
-//  val mappingOpr: Parser[String] = "==="
-//
-//  val exprSep: Parser[String] = ";"
-//
-//  // simple
-//  def variableString: Parser[VariableExpr] = (("'" ~> anyString <~ "'") | ("\"" ~> anyString <~ "\"")) ^^ { VariableStringExpr(_) }
-//  def constString: Parser[ConstExpr] = (("'" ~> anyString <~ "'") | ("\"" ~> anyString <~ "\"")) ^^ { ConstStringExpr(_) }
-//  def constValue: Parser[ConstExpr] = time ^^ { ConstTimeExpr(_) } | number ^^ { ConstNumberExpr(_)} | constString
-//  def variableValue: Parser[VariableExpr] = variable ^^ { VariableStringExpr(_) }
-//  def quoteVariableValue: Parser[QuoteVariableExpr] = "${" ~> variable <~ "}" ^^ { QuoteVariableExpr(_) }
-//  def position: Parser[SelectExpr] = anyPosition ^^ { AnyPositionExpr(_) } | """\d+""".r ^^ { NumPositionExpr(_) } | (("'" ~> anyString <~ "'") | ("\"" ~> anyString <~ "\"")) ^^ { StringPositionExpr(_) }
-//  def argument: Parser[ConstExpr] = constValue
-//  def annotationExpr: Parser[AnnotationExpr] = "@" ~> variable ^^ { AnnotationExpr(_) }
-//
-//  // selector
-//  def filterOpration: Parser[SelectExpr] = (variableString ~ filterOpr ~ constString) ^^ {
-//    case v ~ opr ~ c => FilterOprExpr(opr, v, c)
-//  }
-//  def positionExpr: Parser[SelectExpr] = "[" ~> (filterOpration | position) <~ "]"
-//  def functionExpr: Parser[SelectExpr] = "." ~ variable ~ "(" ~ repsep(argument, ",") ~ ")" ^^ {
-//    case _ ~ v ~ _ ~ args ~ _ => FunctionExpr(v, args)
-//  }
-//  def selectorExpr: Parser[SelectExpr] = positionExpr | functionExpr
-//
-//  // data
-//  def selectorsExpr: Parser[DataExpr] = quoteVariableValue ~ rep(selectorExpr) ^^ {
-//    case q ~ tails => SelectionExpr(q, tails)
-//  }
-//
-//  // calculation
-//  def factor: Parser[ElementExpr] = (constValue | selectorsExpr | "(" ~> expr <~ ")") ^^ { FactorExpr(_) }
-//  def term: Parser[ElementExpr] = factor ~ rep(opr1 ~ factor) ^^ {
-//    case a ~ Nil => a
-//    case a ~ list => CalculationExpr(a, list.map(c => (c._1, c._2)))
-//  }
-//  def expr: Parser[ElementExpr] = term ~ rep(opr2 ~ term) ^^ {
-//    case a ~ Nil => a
-//    case a ~ list => CalculationExpr(a, list.map(c => (c._1, c._2)))
-//  }
-//
-//  // statement
-//  def assignExpr: Parser[StatementExpr] = variableValue ~ assignOpr ~ expr ^^ {
-//    case v ~ opr ~ c => AssignExpr(opr, v, c)
-//  }
-//  def conditionExpr: Parser[StatementExpr] = rep(annotationExpr) ~ expr ~ compareOpr ~ expr ^^ {
-//    case anos ~ le ~ opr ~ re => ConditionExpr(opr, le, re, anos)
-//  }
-//  def mappingExpr: Parser[StatementExpr] = rep(annotationExpr) ~ expr ~ mappingOpr ~ expr ^^ {
-//    case anos ~ le ~ opr ~ re => MappingExpr(opr, le, re, anos)
-//  }
-//  def statementExpr: Parser[StatementExpr] = assignExpr | conditionExpr | mappingExpr
-//
-//  // statements
-//  def statementsExpr: Parser[StatementExpr] = repsep(statementExpr, exprSep) ^^ { StatementsExpr(_) }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParserDescription.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParserDescription.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParserDescription.scala
deleted file mode 100644
index 18810b3..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/RuleParserDescription.scala
+++ /dev/null
@@ -1,84 +0,0 @@
-/**
-  * BNF representation for grammar as below:
-  *
-  * <rule> ::= <logical-statement> [WHEN <logical-statement>]
-  * rule: mapping-rule [WHEN when-rule]
-  * - mapping-rule: the first level opr should better not be OR | NOT, otherwise it can't automatically find the groupby column
-  * - when-rule: only contain the general info of data source, not the special info of each data row
-  *
-  * <logical-statement> ::= [NOT] <logical-expression> [(AND | OR) <logical-expression>]+ | "(" <logical-statement> ")"
-  * logical-statement: return boolean value
-  * logical-operator: "AND" | "&&", "OR" | "||", "NOT" | "!"
-  *
-  * <logical-expression> ::= <math-expr> (<compare-opr> <math-expr> | <range-opr> <range-expr>)
-  * logical-expression example: $source.id = $target.id, $source.page_id IN ('3214', '4312', '60821')
-  *
-  * <compare-opr> ::= "=" | "!=" | "<" | ">" | "<=" | ">="
-  * <range-opr> ::= ["NOT"] "IN" | "BETWEEN"
-  * <range-expr> ::= "(" [<math-expr>] [, <math-expr>]+ ")"
-  * range-expr example: ('3214', '4312', '60821'), (10, 15), ()
-  *
-  * <math-expr> ::= [<unary-opr>] <math-factor> [<binary-opr> <math-factor>]+
-  * math-expr example: $source.price * $target.count, "hello" + " " + "world" + 123
-  *
-  * <binary-opr> ::= "+" | "-" | "*" | "/" | "%"
-  * <unary-opr> ::= "+" | "-"
-  *
-  * <math-factor> ::= <literal> | <selection> | "(" <math-expr> ")"
-  *
-  * <selection> ::= <selection-head> [ <field-sel> | <function-operation> | <index-field-range-sel> | <filter-sel> ]+
-  * selection example: $source.price, $source.json(), $source['state'], $source.numList[3], $target.json().mails['org' = 'apache'].names[*]
-  *
-  * <selection-head> ::= $source | $target
-  *
-  * <field-sel> ::= "." <field-string>
-  *
-  * <function-operation> ::= "." <function-name> "(" <arg> [, <arg>]+ ")"
-  * <function-name> ::= <name-string>
-  * <arg> ::= <math-expr>
-  *
-  * <index-field-range-sel> ::= "[" <index-field-range> [, <index-field-range>]+ "]"
-  * <index-field-range> ::= <index-field> | (<index-field>, <index-field>) | "*"
-  * index-field-range: 2 means the 3rd item, (0, 3) means first 4 items, * means all items, 'age' means item 'age'
-  * <index-field> ::= <index> | <field-quote> | <all-selection>
-  * index: 0 ~ n means position from start, -1 ~ -n means position from end
-  * <field-quote> ::= ' <field-string> ' | " <field-string> "
-  *
-  * <filter-sel> ::= "[" <field-quote> <filter-compare-opr> <math-expr> "]"
-  * <filter-compare-opr> ::= "=" | "!=" | "<" | ">" | "<=" | ">="
-  * filter-sel example: ['name' = 'URL'], $source.man['age' > $source.graduate_age + 5 ]
-  *
-  * When <math-expr> in the selection, it mustn't contain the different <selection-head>, for example:
-  * $source.tags[1+2]             valid
-  * $source.tags[$source.first]   valid
-  * $source.tags[$target.first]   invalid
-  * -- Such job is for validation, not for parser
-  *
-  *
-  * <literal> ::= <literal-string> | <literal-number> | <literal-time> | <literal-boolean>
-  * <literal-string> ::= <any-string>
-  * <literal-number> ::= <integer> | <double>
-  * <literal-time> ::= <integer> ("d"|"h"|"m"|"s"|"ms")
-  * <literal-boolean> ::= true | false
-  *
-  */
-
-
-/**
-  * BACK_UP
-  *
-  * <index-field-range-sel> ::= "[" <index-field-range> [, <index-field-range>]+ "]"
-  * <index-field-range> ::= <index-field> | (<index-field>, <index-field>) | "*"
-  * index-field-range: 2 means the 3rd item, (0, 3) means first 4 items, * means all items, 'age' means item 'age'
-  * <index-field> ::= <index> | <field-quote> | <math-result>
-  * <field-quote> ::= ' <any-string> ' | \" <any-string> \"
-  * <index> ::= <integer>
-  * index: 0 ~ n means position from start, -1 ~ -n means position from end
-  * <math-result> ::= "${" <math-expr> "}"
-  *
-  * <filter-sel> ::= "[" <field-quote> <filter-compare-opr> <filter-value> "]"
-  * <filter-compare-opr> ::= "=" | "!=" | "<" | ">" | "<=" | ">="
-  * <filter-value> ::= <literal> | <math-result>
-  * filter-sel example: ['name' = 'URL'], $source.man['age' > ${ $source.graduate_age + 5 }]
-  *
-  */

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/AnalyzableExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/AnalyzableExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/AnalyzableExpr.scala
deleted file mode 100644
index 0d54707..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/AnalyzableExpr.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-
-trait AnalyzableExpr extends Serializable {
-  def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = Nil
-  def getWhenClauseExpr(): Option[LogicalExpr] = None
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Cacheable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Cacheable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Cacheable.scala
deleted file mode 100644
index e062376..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Cacheable.scala
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait Cacheable extends DataSourceable {
-  protected def cacheUnit: Boolean = false
-  def cacheable(ds: String): Boolean = {
-    cacheUnit && !conflict() && ((ds.isEmpty && dataSources.isEmpty) || (ds.nonEmpty && contains(ds)))
-  }
-  protected def getCacheExprs(ds: String): Iterable[Cacheable]
-
-  protected def persistUnit: Boolean = false
-  def persistable(ds: String): Boolean = {
-    persistUnit && ((ds.isEmpty && dataSources.isEmpty) || (ds.nonEmpty && contains(ds)))
-  }
-  protected def getPersistExprs(ds: String): Iterable[Cacheable]
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Calculatable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Calculatable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Calculatable.scala
deleted file mode 100644
index 8018c19..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Calculatable.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait Calculatable extends Serializable {
-
-  def calculate(values: Map[String, Any]): Option[Any]
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/DataSourceable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/DataSourceable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/DataSourceable.scala
deleted file mode 100644
index f18798a..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/DataSourceable.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait DataSourceable extends Serializable {
-  val dataSources: Set[String]
-  protected def conflict(): Boolean = dataSources.size > 1
-  def contains(ds: String): Boolean = dataSources.contains(ds)
-  def dataSourceOpt: Option[String] = {
-    if (dataSources.size == 1) Some(dataSources.head) else None
-  }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Describable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Describable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Describable.scala
deleted file mode 100644
index 38758a2..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Describable.scala
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait Describable extends Serializable {
-
-  val desc: String
-
-  protected def describe(v: Any): String = {
-    v match {
-      case s: Describable => s"${s.desc}"
-      case s: String => s"'${s}'"
-      case a => s"${a}"
-    }
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Expr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Expr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Expr.scala
deleted file mode 100644
index d7810aa..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/Expr.scala
+++ /dev/null
@@ -1,33 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait Expr extends Serializable with Describable with Cacheable with Calculatable {
-
-  protected val _defaultId: String = ExprIdCounter.emptyId
-
-  val _id = ExprIdCounter.genId(_defaultId)
-
-  protected def getSubCacheExprs(ds: String): Iterable[Expr] = Nil
-  final def getCacheExprs(ds: String): Iterable[Expr] = {
-    if (cacheable(ds)) getSubCacheExprs(ds).toList :+ this else getSubCacheExprs(ds)
-  }
-
-  protected def getSubFinalCacheExprs(ds: String): Iterable[Expr] = Nil
-  final def getFinalCacheExprs(ds: String): Iterable[Expr] = {
-    if (cacheable(ds)) Nil :+ this else getSubFinalCacheExprs(ds)
-  }
-
-  protected def getSubPersistExprs(ds: String): Iterable[Expr] = Nil
-  final def getPersistExprs(ds: String): Iterable[Expr] = {
-    if (persistable(ds)) getSubPersistExprs(ds).toList :+ this else getSubPersistExprs(ds)
-  }
-
-  final def calculate(values: Map[String, Any]): Option[Any] = {
-    values.get(_id) match {
-      case Some(v) => Some(v)
-      case _ => calculateOnly(values)
-    }
-  }
-  protected def calculateOnly(values: Map[String, Any]): Option[Any]
-
-}
-

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprDescOnly.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprDescOnly.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprDescOnly.scala
deleted file mode 100644
index 0bb5085..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprDescOnly.scala
+++ /dev/null
@@ -1,22 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait ExprDescOnly extends Describable {
-
-}
-
-
-case class SelectionHead(expr: String) extends ExprDescOnly {
-  private val headRegex = """\$(\w+)""".r
-  val head: String = expr match {
-    case headRegex(v) => v.toLowerCase
-    case _ => expr
-  }
-  val desc: String = "$" + head
-}
-
-case class RangeDesc(elements: Iterable[MathExpr]) extends ExprDescOnly {
-  val desc: String = {
-    val rangeDesc = elements.map(_.desc).mkString(", ")
-    s"(${rangeDesc})"
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprIdCounter.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprIdCounter.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprIdCounter.scala
deleted file mode 100644
index 56e7daa..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/ExprIdCounter.scala
+++ /dev/null
@@ -1,42 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-import java.util.concurrent.atomic.AtomicLong
-
-import scala.collection.mutable.{Set => MutableSet}
-
-object ExprIdCounter {
-
-  private val idCounter: AtomicLong = new AtomicLong(0L)
-
-  private val existIdSet: MutableSet[String] = MutableSet.empty[String]
-
-  private val invalidIdRegex = """^\d+$""".r
-
-  val emptyId: String = ""
-
-  def genId(defaultId: String): String = {
-    defaultId match {
-      case emptyId => increment.toString
-      case invalidIdRegex() => increment.toString
-//      case defId if (exist(defId)) => s"${increment}#${defId}"
-      case defId if (exist(defId)) => s"${defId}"
-      case _ => {
-        insertUserId(defaultId)
-        defaultId
-      }
-    }
-  }
-
-  private def exist(id: String): Boolean = {
-    existIdSet.contains(id)
-  }
-
-  private def insertUserId(id: String): Unit = {
-    existIdSet += id
-  }
-
-  private def increment(): Long = {
-    idCounter.incrementAndGet()
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/FieldDescOnly.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/FieldDescOnly.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/FieldDescOnly.scala
deleted file mode 100644
index f13f15a..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/FieldDescOnly.scala
+++ /dev/null
@@ -1,40 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-import scala.util.{Success, Try}
-
-trait FieldDescOnly extends Describable with DataSourceable {
-
-}
-
-case class IndexDesc(expr: String) extends FieldDescOnly {
-  val index: Int = {
-    Try(expr.toInt) match {
-      case Success(v) => v
-      case _ => throw new Exception(s"${expr} is invalid index")
-    }
-  }
-  val desc: String = describe(index)
-  val dataSources: Set[String] = Set.empty[String]
-}
-
-case class FieldDesc(expr: String) extends FieldDescOnly {
-  val field: String = expr
-  val desc: String = describe(field)
-  val dataSources: Set[String] = Set.empty[String]
-}
-
-case class AllFieldsDesc(expr: String) extends FieldDescOnly {
-  val allFields: String = expr
-  val desc: String = allFields
-  val dataSources: Set[String] = Set.empty[String]
-}
-
-case class FieldRangeDesc(startField: FieldDescOnly, endField: FieldDescOnly) extends FieldDescOnly {
-  val desc: String = {
-    (startField, endField) match {
-      case (f1: IndexDesc, f2: IndexDesc) => s"(${f1.desc}, ${f2.desc})"
-      case _ => throw new Exception("invalid field range description")
-    }
-  }
-  val dataSources: Set[String] = Set.empty[String]
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LiteralExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LiteralExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LiteralExpr.scala
deleted file mode 100644
index 020ddc2..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LiteralExpr.scala
+++ /dev/null
@@ -1,68 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-import scala.util.{Failure, Success, Try}
-
-trait LiteralExpr extends Expr {
-  val value: Option[Any]
-  def calculateOnly(values: Map[String, Any]): Option[Any] = value
-  val dataSources: Set[String] = Set.empty[String]
-}
-
-case class LiteralStringExpr(expr: String) extends LiteralExpr {
-  val value: Option[String] = Some(expr)
-  val desc: String = value.getOrElse("")
-}
-
-case class LiteralNumberExpr(expr: String) extends LiteralExpr {
-  val value: Option[Any] = {
-    if (expr.contains(".")) {
-      Try (expr.toDouble) match {
-        case Success(v) => Some(v)
-        case _ => throw new Exception(s"${expr} is invalid number")
-      }
-    } else {
-      Try (expr.toLong) match {
-        case Success(v) => Some(v)
-        case _ => throw new Exception(s"${expr} is invalid number")
-      }
-    }
-  }
-  val desc: String = value.getOrElse("").toString
-}
-
-case class LiteralTimeExpr(expr: String) extends LiteralExpr {
-  final val TimeRegex = """(\d+)(d|h|m|s|ms)""".r
-  val value: Option[Long] = {
-    Try {
-      expr match {
-        case TimeRegex(time, unit) => {
-          val t = time.toLong
-          unit match {
-            case "d" => t * 24 * 60 * 60 * 1000
-            case "h" => t * 60 * 60 * 1000
-            case "m" => t * 60 * 1000
-            case "s" => t * 1000
-            case "ms" => t
-            case _ => throw new Exception(s"${expr} is invalid time format")
-          }
-        }
-        case _ => throw new Exception(s"${expr} is invalid time format")
-      }
-    } match {
-      case Success(v) => Some(v)
-      case Failure(ex) => throw ex
-    }
-  }
-  val desc: String = expr
-}
-
-case class LiteralBooleanExpr(expr: String) extends LiteralExpr {
-  final val TrueRegex = """(?i)true""".r
-  final val FalseRegex = """(?i)false""".r
-  val value: Option[Boolean] = expr match {
-    case TrueRegex() => Some(true)
-    case FalseRegex() => Some(false)
-    case _ => throw new Exception(s"${expr} is invalid boolean")
-  }
-  val desc: String = value.getOrElse("").toString
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LogicalExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LogicalExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LogicalExpr.scala
deleted file mode 100644
index 74e80e3..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/LogicalExpr.scala
+++ /dev/null
@@ -1,149 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-import org.apache.griffin.measure.batch.utils.CalculationUtil._
-
-trait LogicalExpr extends Expr with AnalyzableExpr {
-  override def cacheUnit: Boolean = true
-}
-
-case class LogicalCompareExpr(left: MathExpr, compare: String, right: MathExpr) extends LogicalExpr {
-  private val (eqOpr, neqOpr, btOpr, bteOpr, ltOpr, lteOpr) = ("""==?""".r, """!==?""".r, ">", ">=", "<", "<=")
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val (lv, rv) = (left.calculate(values), right.calculate(values))
-    compare match {
-      case this.eqOpr() => lv === rv
-      case this.neqOpr() => lv =!= rv
-      case this.btOpr => lv > rv
-      case this.bteOpr => lv >= rv
-      case this.ltOpr => lv < rv
-      case this.lteOpr => lv <= rv
-      case _ => None
-    }
-  }
-  val desc: String = s"${left.desc} ${compare} ${right.desc}"
-  val dataSources: Set[String] = left.dataSources ++ right.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    left.getCacheExprs(ds) ++ right.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    left.getFinalCacheExprs(ds) ++ right.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    left.getPersistExprs(ds) ++ right.getPersistExprs(ds)
-  }
-
-  override def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = {
-    if (compare == "=" || compare == "==") {
-      (left.dataSourceOpt, right.dataSourceOpt) match {
-        case (Some(dsPair._1), Some(dsPair._2)) => (left, right) :: Nil
-        case (Some(dsPair._2), Some(dsPair._1)) => (right, left) :: Nil
-        case _ => Nil
-      }
-    } else Nil
-  }
-}
-
-case class LogicalRangeExpr(left: MathExpr, rangeOpr: String, range: RangeDesc) extends LogicalExpr {
-  private val (inOpr, ninOpr, btwnOpr, nbtwnOpr) = ("""(?i)in""".r, """(?i)not\s+in""".r, """(?i)between""".r, """(?i)not\s+between""".r)
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val (lv, rvs) = (left.calculate(values), range.elements.map(_.calculate(values)))
-    rangeOpr match {
-      case this.inOpr() => lv in rvs
-      case this.ninOpr() => lv not_in rvs
-      case this.btwnOpr() => lv between rvs
-      case this.nbtwnOpr() => lv not_between rvs
-      case _ => None
-    }
-  }
-  val desc: String = s"${left.desc} ${rangeOpr} ${range.desc}"
-  val dataSources: Set[String] = left.dataSources ++ range.elements.flatMap(_.dataSources).toSet
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    left.getCacheExprs(ds) ++ range.elements.flatMap(_.getCacheExprs(ds))
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    left.getFinalCacheExprs(ds) ++ range.elements.flatMap(_.getFinalCacheExprs(ds))
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    left.getPersistExprs(ds) ++ range.elements.flatMap(_.getPersistExprs(ds))
-  }
-}
-
-// -- logical statement --
-//case class LogicalFactorExpr(self: LogicalExpr) extends LogicalExpr {
-//  def calculate(values: Map[String, Any]): Option[Any] = self.calculate(values)
-//  val desc: String = self.desc
-//}
-
-case class UnaryLogicalExpr(oprList: Iterable[String], factor: LogicalExpr) extends LogicalExpr {
-  private val notOpr = """(?i)not|!""".r
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val fv = factor.calculate(values)
-    oprList.foldRight(fv) { (opr, v) =>
-      opr match {
-        case this.notOpr() => !v
-        case _ => None
-      }
-    }
-  }
-  val desc: String = oprList.foldRight(factor.desc) { (prev, ex) => s"${prev}${ex}" }
-  val dataSources: Set[String] = factor.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    factor.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    factor.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    factor.getPersistExprs(ds)
-  }
-
-  override def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = {
-    val notOprList = oprList.filter { opr =>
-      opr match {
-        case this.notOpr() => true
-        case _ => false
-      }
-    }
-    if (notOprList.size % 2 == 0) factor.getGroupbyExprPairs(dsPair) else Nil
-  }
-}
-
-case class BinaryLogicalExpr(first: LogicalExpr, others: Iterable[(String, LogicalExpr)]) extends LogicalExpr {
-  private val (andOpr, orOpr) = ("""(?i)and|&&""".r, """(?i)or|\|\|""".r)
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val fv = first.calculate(values)
-    others.foldLeft(fv) { (v, pair) =>
-      val (opr, next) = pair
-      val nv = next.calculate(values)
-      opr match {
-        case this.andOpr() => v && nv
-        case this.orOpr() => v || nv
-        case _ => None
-      }
-    }
-  }
-  val desc: String = others.foldLeft(first.desc) { (ex, next) => s"${ex} ${next._1} ${next._2.desc}" }
-  val dataSources: Set[String] = first.dataSources ++ others.flatMap(_._2.dataSources).toSet
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    first.getCacheExprs(ds) ++ others.flatMap(_._2.getCacheExprs(ds))
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    first.getFinalCacheExprs(ds) ++ others.flatMap(_._2.getFinalCacheExprs(ds))
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    first.getPersistExprs(ds) ++ others.flatMap(_._2.getPersistExprs(ds))
-  }
-
-  override def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = {
-    if (others.isEmpty) first.getGroupbyExprPairs(dsPair)
-    else {
-      val isAnd = others.exists(_._1 match {
-        case this.andOpr() => true
-        case _ => false
-      })
-      if (isAnd) {
-        first.getGroupbyExprPairs(dsPair) ++ others.flatMap(_._2.getGroupbyExprPairs(dsPair))
-      } else Nil
-    }
-  }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/MathExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/MathExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/MathExpr.scala
deleted file mode 100644
index db09a0c..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/MathExpr.scala
+++ /dev/null
@@ -1,79 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-import org.apache.griffin.measure.batch.utils.CalculationUtil._
-
-trait MathExpr extends Expr {
-
-}
-
-case class MathFactorExpr(self: Expr) extends MathExpr {
-  def calculateOnly(values: Map[String, Any]): Option[Any] = self.calculate(values)
-  val desc: String = self.desc
-  val dataSources: Set[String] = self.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    self.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    self.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    self.getPersistExprs(ds)
-  }
-}
-
-case class UnaryMathExpr(oprList: Iterable[String], factor: Expr) extends MathExpr {
-  private val (posOpr, negOpr) = ("+", "-")
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val fv = factor.calculate(values)
-    oprList.foldRight(fv) { (opr, v) =>
-      opr match {
-        case this.posOpr => v
-        case this.negOpr => -v
-        case _ => None
-      }
-    }
-  }
-  val desc: String = oprList.foldRight(factor.desc) { (prev, ex) => s"${prev}${ex}" }
-  val dataSources: Set[String] = factor.dataSources
-  override def cacheUnit: Boolean = true
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    factor.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    factor.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    factor.getPersistExprs(ds)
-  }
-}
-
-case class BinaryMathExpr(first: MathExpr, others: Iterable[(String, MathExpr)]) extends MathExpr {
-  private val (addOpr, subOpr, mulOpr, divOpr, modOpr) = ("+", "-", "*", "/", "%")
-  def calculateOnly(values: Map[String, Any]): Option[Any] = {
-    val fv = first.calculate(values)
-    others.foldLeft(fv) { (v, pair) =>
-      val (opr, next) = pair
-      val nv = next.calculate(values)
-      opr match {
-        case this.addOpr => v + nv
-        case this.subOpr => v - nv
-        case this.mulOpr => v * nv
-        case this.divOpr => v / nv
-        case this.modOpr => v % nv
-        case _ => None
-      }
-    }
-  }
-  val desc: String = others.foldLeft(first.desc) { (ex, next) => s"${ex} ${next._1} ${next._2.desc}" }
-  val dataSources: Set[String] = first.dataSources ++ others.flatMap(_._2.dataSources).toSet
-  override def cacheUnit: Boolean = true
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    first.getCacheExprs(ds) ++ others.flatMap(_._2.getCacheExprs(ds))
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    first.getFinalCacheExprs(ds) ++ others.flatMap(_._2.getFinalCacheExprs(ds))
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    first.getPersistExprs(ds) ++ others.flatMap(_._2.getPersistExprs(ds))
-  }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/SelectExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/SelectExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/SelectExpr.scala
deleted file mode 100644
index 52ebe21..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/SelectExpr.scala
+++ /dev/null
@@ -1,53 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-trait SelectExpr extends Expr {
-  def calculateOnly(values: Map[String, Any]): Option[Any] = None
-}
-
-case class IndexFieldRangeSelectExpr(fields: Iterable[FieldDescOnly]) extends SelectExpr {
-  val desc: String = s"[${fields.map(_.desc).mkString(",")}]"
-  val dataSources: Set[String] = Set.empty[String]
-}
-
-case class FunctionOperationExpr(func: String, args: Iterable[MathExpr]) extends SelectExpr {
-  val desc: String = s".${func}(${args.map(_.desc).mkString(",")})"
-  val dataSources: Set[String] = args.flatMap(_.dataSources).toSet
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = args.flatMap(_.getCacheExprs(ds))
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = args.flatMap(_.getFinalCacheExprs(ds))
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = args.flatMap(_.getPersistExprs(ds))
-}
-
-case class FilterSelectExpr(field: FieldDesc, compare: String, value: MathExpr) extends SelectExpr {
-  val desc: String = s"[${field.desc}${compare}${value.desc}]"
-  val dataSources: Set[String] = value.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = value.getCacheExprs(ds)
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = value.getFinalCacheExprs(ds)
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = value.getPersistExprs(ds)
-}
-
-// -- selection --
-case class SelectionExpr(head: SelectionHead, selectors: Iterable[SelectExpr]) extends Expr {
-  def calculateOnly(values: Map[String, Any]): Option[Any] = values.get(_id)
-
-  val desc: String = {
-    val argsString = selectors.map(_.desc).mkString("")
-    s"${head.desc}${argsString}"
-  }
-  val dataSources: Set[String] = {
-    val selectorDataSources = selectors.flatMap(_.dataSources).toSet
-    selectorDataSources + head.head
-  }
-
-  override def cacheUnit: Boolean = true
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    selectors.flatMap(_.getCacheExprs(ds))
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    selectors.flatMap(_.getFinalCacheExprs(ds))
-  }
-
-  override def persistUnit: Boolean = true
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    selectors.flatMap(_.getPersistExprs(ds))
-  }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/StatementExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/StatementExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/StatementExpr.scala
deleted file mode 100644
index 3ae5139..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr/StatementExpr.scala
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr
-
-
-trait StatementExpr extends Expr with AnalyzableExpr {
-  def valid(values: Map[String, Any]): Boolean = true
-  override def cacheUnit: Boolean = true
-}
-
-case class SimpleStatementExpr(expr: LogicalExpr) extends StatementExpr {
-  def calculateOnly(values: Map[String, Any]): Option[Any] = expr.calculate(values)
-  val desc: String = expr.desc
-  val dataSources: Set[String] = expr.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    expr.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    expr.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    expr.getPersistExprs(ds)
-  }
-
-  override def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = expr.getGroupbyExprPairs(dsPair)
-}
-
-case class WhenClauseStatementExpr(expr: LogicalExpr, whenExpr: LogicalExpr) extends StatementExpr {
-  def calculateOnly(values: Map[String, Any]): Option[Any] = expr.calculate(values)
-  val desc: String = s"${expr.desc} when ${whenExpr.desc}"
-
-  override def valid(values: Map[String, Any]): Boolean = {
-    whenExpr.calculate(values) match {
-      case Some(r: Boolean) => r
-      case _ => false
-    }
-  }
-
-  val dataSources: Set[String] = expr.dataSources ++ whenExpr.dataSources
-  override def getSubCacheExprs(ds: String): Iterable[Expr] = {
-    expr.getCacheExprs(ds) ++ whenExpr.getCacheExprs(ds)
-  }
-  override def getSubFinalCacheExprs(ds: String): Iterable[Expr] = {
-    expr.getFinalCacheExprs(ds) ++ whenExpr.getFinalCacheExprs(ds)
-  }
-  override def getSubPersistExprs(ds: String): Iterable[Expr] = {
-    expr.getPersistExprs(ds) ++ whenExpr.getPersistExprs(ds)
-  }
-
-  override def getGroupbyExprPairs(dsPair: (String, String)): Seq[(MathExpr, MathExpr)] = expr.getGroupbyExprPairs(dsPair)
-  override def getWhenClauseExpr(): Option[LogicalExpr] = Some(whenExpr)
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/AnnotationExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/AnnotationExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/AnnotationExpr.scala
deleted file mode 100644
index 2152bf9..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/AnnotationExpr.scala
+++ /dev/null
@@ -1,16 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-case class AnnotationExpr(expression: String) extends Expr with Calculatable {
-
-  val Key = """^(?i)Key$""".r
-
-  def isKey: Boolean = {
-    expression match {
-      case Key() => true
-      case _ => false
-    }
-  }
-
-  def genValue(values: Map[String, Any]): Option[String] = Some(expression)
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Calculatable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Calculatable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Calculatable.scala
deleted file mode 100644
index 9b8a577..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Calculatable.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait Calculatable extends Serializable {
-
-  def genValue(values: Map[String, Any]): Option[Any]
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ConstExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ConstExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ConstExpr.scala
deleted file mode 100644
index c8e623b..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ConstExpr.scala
+++ /dev/null
@@ -1,59 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-import scala.util.{Success, Try}
-
-trait ConstExpr extends Expr with Calculatable {
-
-  val value: Any
-
-}
-
-
-case class ConstStringExpr(expression: String) extends ConstExpr {
-
-  val value: String = expression
-  def genValue(values: Map[String, Any]): Option[String] = Some(value)
-
-}
-
-case class ConstTimeExpr(expression: String) extends ConstExpr {
-
-  val TimeRegex = """(\d+)(y|M|w|d|h|m|s|ms)""".r
-
-  val value: Long = expression match {
-    case TimeRegex(time, unit) => {
-      val t = time.toLong
-      val r = unit match {
-        case "y" => t * 365 * 30 * 24 * 60 * 60 * 1000
-        case "M" => t * 30 * 24 * 60 * 60 * 1000
-        case "w" => t * 7 * 24 * 60 * 60 * 1000
-        case "d" => t * 24 * 60 * 60 * 1000
-        case "h" => t * 60 * 60 * 1000
-        case "m" => t * 60 * 1000
-        case "s" => t * 1000
-        case "ms" => t
-        case _ => t
-      }
-      r
-    }
-    case _ => 0L
-  }
-
-  def genValue(values: Map[String, Any]): Option[Long] = Some(value)
-
-}
-
-case class ConstNumberExpr(expression: String) extends ConstExpr {
-
-  val value: Long = {
-    Try {
-      expression.toLong
-    } match {
-      case Success(v) => v
-      case _ => 0L
-    }
-  }
-
-  def genValue(values: Map[String, Any]): Option[Long] = Some(value)
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/DataExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/DataExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/DataExpr.scala
deleted file mode 100644
index e0f24ef..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/DataExpr.scala
+++ /dev/null
@@ -1,27 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait DataExpr extends Expr with Calculatable with Recordable {
-
-  def head: QuoteVariableExpr
-  def args: Iterable[SelectExpr]
-
-}
-
-
-case class SelectionExpr(head: QuoteVariableExpr, args: Iterable[SelectExpr]) extends {
-
-  val recordName = {
-    val argsString = args.map(_.recordName).mkString("")
-    s"${head.recordName}${argsString}"
-  }
-
-  override protected val _defaultId = recordName
-
-} with DataExpr {
-
-  val expression: String = ""
-
-  def genValue(values: Map[String, Any]): Option[Any] = values.get(_id)
-
-}
-

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ElementExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ElementExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ElementExpr.scala
deleted file mode 100644
index 999c1ee..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ElementExpr.scala
+++ /dev/null
@@ -1,52 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-import org.apache.griffin.measure.batch.utils.CalculationUtil._
-
-trait ElementExpr extends Expr with ExprAnalyzable with Calculatable {
-
-}
-
-
-// self: const | selection | calculation
-case class FactorExpr(self: Expr with Calculatable) extends ElementExpr {
-
-  val expression: String = self.expression
-
-  def genValue(values: Map[String, Any]): Option[Any] = self.genValue(values)
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = {
-    self match {
-      case expr: DataExpr => if (expr.head.name == dataSign) expr :: Nil else Nil
-      case expr: CalculationExpr => expr.getDataRelatedExprs(dataSign)
-      case _ => Nil
-    }
-  }
-
-}
-
-case class CalculationExpr(first: ElementExpr, others: Iterable[(String, ElementExpr)]) extends ElementExpr {
-
-  val expression: String = others.foldLeft(first.expression) { (ex, next) => s"${ex} ${next._1} ${next._2}" }
-
-  def genValue(values: Map[String, Any]): Option[Any] = {
-    others.foldLeft(first.genValue(values)) { (v, next) =>
-      val (opr, ele) = next
-      val eleValue = ele.genValue(values)
-      opr match {
-        case "+" => v + eleValue
-        case "-" => v - eleValue
-        case "*" => v * eleValue
-        case "/" => v / eleValue
-        case "%" => v % eleValue
-        case _ => v
-      }
-    }
-  }
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = {
-    others.foldLeft(first.getDataRelatedExprs(dataSign)) { (origin, next) =>
-      origin ++ next._2.getDataRelatedExprs(dataSign)
-    }
-  }
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Expr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Expr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Expr.scala
deleted file mode 100644
index 17adf16..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Expr.scala
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait Expr extends Serializable {
-
-  val expression: String
-
-  protected val _defaultId: String = ""
-
-  val _id = ExprIdCounter.genId(_defaultId)
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprAnalyzable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprAnalyzable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprAnalyzable.scala
deleted file mode 100644
index 29c47cd..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprAnalyzable.scala
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-
-trait ExprAnalyzable extends Serializable {
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr]
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprIdCounter.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprIdCounter.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprIdCounter.scala
deleted file mode 100644
index c24f617..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/ExprIdCounter.scala
+++ /dev/null
@@ -1,39 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-import java.util.concurrent.atomic.AtomicLong
-import scala.collection.mutable.{Set => MutableSet}
-
-object ExprIdCounter {
-
-  private val idCounter: AtomicLong = new AtomicLong(0L)
-
-  private val existIdSet: MutableSet[String] = MutableSet.empty[String]
-
-  private val invalidIdRegex = """^\d+$""".r
-
-  def genId(defaultId: String): String = {
-    defaultId match {
-      case "" => increment.toString
-      case invalidIdRegex() => increment.toString
-//      case defId if (exist(defId)) => s"${increment}#${defId}"
-      case defId if (exist(defId)) => s"${defId}"
-      case _ => {
-        insertUserId(defaultId)
-        defaultId
-      }
-    }
-  }
-
-  private def exist(id: String): Boolean = {
-    existIdSet.contains(id)
-  }
-
-  private def insertUserId(id: String): Unit = {
-    existIdSet += id
-  }
-
-  private def increment(): Long = {
-    idCounter.incrementAndGet()
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Recordable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Recordable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Recordable.scala
deleted file mode 100644
index 27e5a48..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/Recordable.scala
+++ /dev/null
@@ -1,15 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-
-trait Recordable extends Serializable {
-
-  val recordName: String
-
-  protected def value2RecordString(v: Any): String = {
-    v match {
-      case s: String => s"'${s}'"
-      case a => s"${a}"
-    }
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/SelectExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/SelectExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/SelectExpr.scala
deleted file mode 100644
index 4dae38d..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/SelectExpr.scala
+++ /dev/null
@@ -1,48 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait SelectExpr extends Expr with Recordable {
-
-}
-
-
-case class NumPositionExpr(expression: String) extends SelectExpr {
-
-  val index: Int = expression.toInt
-
-  val recordName = s"[${value2RecordString(index)}]"
-
-}
-
-case class StringPositionExpr(expression: String) extends SelectExpr {
-
-  val field: String = expression
-
-  val recordName = s"[${value2RecordString(field)}]"
-
-}
-
-case class AnyPositionExpr(expression: String) extends SelectExpr {
-
-  val recordName = s"[${expression}]"
-
-}
-
-case class FilterOprExpr(expression: String, left: VariableExpr, right: ConstExpr) extends SelectExpr {
-
-  val field: String = left.name
-  val value: Any = right.value
-
-  val recordName = {
-    s"[${value2RecordString(field)}${expression}${value2RecordString(value)}]"
-  }
-
-}
-
-case class FunctionExpr(expression: String, args: Iterable[ConstExpr]) extends SelectExpr {
-
-  val recordName = {
-    val argsStr = args.map(value2RecordString(_)).mkString(",")
-    s".${expression}(${argsStr})"
-  }
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementAnalyzable.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementAnalyzable.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementAnalyzable.scala
deleted file mode 100644
index 57968e9..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementAnalyzable.scala
+++ /dev/null
@@ -1,14 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-
-trait StatementAnalyzable extends Serializable {
-
-  def getAssigns(): Iterable[AssignExpr] = Nil
-
-  def getConditions(): Iterable[ConditionExpr] = Nil
-
-  def getMappings(): Iterable[MappingExpr] = Nil
-
-  def getKeyMappings(): Iterable[MappingExpr] = Nil
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementExpr.scala
deleted file mode 100644
index 6669f83..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/StatementExpr.scala
+++ /dev/null
@@ -1,85 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait StatementExpr extends Expr with StatementAnalyzable with ExprAnalyzable with Calculatable {
-
-}
-
-case class AssignExpr(expression: String, left: VariableExpr, right: ElementExpr) extends StatementExpr {
-
-  def genValue(values: Map[String, Any]): Option[Any] = right.genValue(values)
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = right.getDataRelatedExprs(dataSign)
-
-  override def getAssigns(): Iterable[AssignExpr] = this :: Nil
-
-}
-
-case class ConditionExpr(expression: String, left: ElementExpr, right: ElementExpr, annotations: Iterable[AnnotationExpr]) extends StatementExpr {
-
-  def genValue(values: Map[String, Any]): Option[Boolean] = {
-    Some(true) // fixme: not done, need calculation
-  }
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = {
-    left.getDataRelatedExprs(dataSign) ++ right.getDataRelatedExprs(dataSign)
-  }
-
-  override def getConditions(): Iterable[ConditionExpr] = this :: Nil
-
-}
-
-case class MappingExpr(expression: String, left: ElementExpr, right: ElementExpr, annotations: Iterable[AnnotationExpr]) extends StatementExpr {
-
-  def isKey: Boolean = {
-    annotations.exists { e =>
-      e match {
-        case a: AnnotationExpr => a.isKey
-        case _ => false
-      }
-    }
-  }
-
-  def genValue(values: Map[String, Any]): Option[Boolean] = {
-    (left.genValue(values), right.genValue(values)) match {
-      case (Some(v1), Some(v2)) => Some(v1 == v2)
-      case (None, None) => Some(true)
-      case _ => Some(false)
-    }
-  }
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = {
-    left.getDataRelatedExprs(dataSign) ++ right.getDataRelatedExprs(dataSign)
-  }
-
-  override def getMappings(): Iterable[MappingExpr] = this :: Nil
-  override def getKeyMappings(): Iterable[MappingExpr] = if (isKey) this :: Nil else Nil
-
-}
-
-case class StatementsExpr(statements: Iterable[StatementExpr]) extends StatementExpr {
-
-  val expression: String = statements.map(_.expression).mkString("\n")
-
-  def genValue(values: Map[String, Any]): Option[Any] = None
-
-  def getDataRelatedExprs(dataSign: String): Iterable[DataExpr] = {
-    statements.flatMap(_.getDataRelatedExprs(dataSign))
-  }
-
-  override def getAssigns(): Iterable[AssignExpr] = {
-    statements.flatMap(_.getAssigns())
-  }
-
-  override def getConditions(): Iterable[ConditionExpr] = {
-    statements.flatMap(_.getConditions())
-  }
-
-  override def getMappings(): Iterable[MappingExpr] = {
-    statements.flatMap(_.getMappings())
-  }
-
-  override def getKeyMappings(): Iterable[MappingExpr] = {
-    statements.flatMap(_.getKeyMappings())
-  }
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/VariableExpr.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/VariableExpr.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/VariableExpr.scala
deleted file mode 100644
index 87424fc..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/rule/expr_old/VariableExpr.scala
+++ /dev/null
@@ -1,26 +0,0 @@
-package org.apache.griffin.measure.batch.rule.expr_old
-
-trait VariableExpr extends Expr with Recordable {
-
-  val name: String
-
-}
-
-
-case class VariableStringExpr(expression: String) extends VariableExpr {
-
-  val name = expression
-
-  val recordName = name
-
-}
-
-case class QuoteVariableExpr(expression: String) extends VariableExpr with Calculatable {
-
-  val name = expression
-
-  val recordName = name
-
-  def genValue(values: Map[String, Any]): Option[Any] = values.get(name)
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/CalculationUtil.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/CalculationUtil.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/CalculationUtil.scala
deleted file mode 100644
index 2d10fb4..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/CalculationUtil.scala
+++ /dev/null
@@ -1,259 +0,0 @@
-package org.apache.griffin.measure.batch.utils
-
-import scala.util.{Success, Try}
-
-
-object CalculationUtil {
-
-  implicit def option2CalculationValue(v: Option[_]): CalculationValue = CalculationValue(v)
-
-  case class CalculationValue(value: Option[_]) extends Serializable {
-
-    def + (other: Option[_]): Option[_] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: String), Some(v2)) => Some(v1 + v2.toString)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 + v2.toString.toByte)
-          case (Some(v1: Short), Some(v2)) => Some(v1 + v2.toString.toShort)
-          case (Some(v1: Int), Some(v2)) => Some(v1 + v2.toString.toInt)
-          case (Some(v1: Long), Some(v2)) => Some(v1 + v2.toString.toLong)
-          case (Some(v1: Float), Some(v2)) => Some(v1 + v2.toString.toFloat)
-          case (Some(v1: Double), Some(v2)) => Some(v1 + v2.toString.toDouble)
-          case (None, Some(v2)) => other
-          case _ => value
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => value
-      }
-    }
-
-    def - (other: Option[_]): Option[_] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: Byte), Some(v2)) => Some(v1 - v2.toString.toByte)
-          case (Some(v1: Short), Some(v2)) => Some(v1 - v2.toString.toShort)
-          case (Some(v1: Int), Some(v2)) => Some(v1 - v2.toString.toInt)
-          case (Some(v1: Long), Some(v2)) => Some(v1 - v2.toString.toLong)
-          case (Some(v1: Float), Some(v2)) => Some(v1 - v2.toString.toFloat)
-          case (Some(v1: Double), Some(v2)) => Some(v1 - v2.toString.toDouble)
-          case _ => value
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => value
-      }
-    }
-
-    def * (other: Option[_]): Option[_] = {
-      Try {
-        (value, other) match {
-          case (Some(s1: String), Some(n2: Int)) => Some(s1 * n2)
-          case (Some(s1: String), Some(n2: Long)) => Some(s1 * n2.toInt)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 * v2.toString.toByte)
-          case (Some(v1: Short), Some(v2)) => Some(v1 * v2.toString.toShort)
-          case (Some(v1: Int), Some(v2)) => Some(v1 * v2.toString.toInt)
-          case (Some(v1: Long), Some(v2)) => Some(v1 * v2.toString.toLong)
-          case (Some(v1: Float), Some(v2)) => Some(v1 * v2.toString.toFloat)
-          case (Some(v1: Double), Some(v2)) => Some(v1 * v2.toString.toDouble)
-          case _ => value
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => value
-      }
-    }
-
-    def / (other: Option[_]): Option[_] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: Byte), Some(v2)) => Some(v1 / v2.toString.toByte)
-          case (Some(v1: Short), Some(v2)) => Some(v1 / v2.toString.toShort)
-          case (Some(v1: Int), Some(v2)) => Some(v1 / v2.toString.toInt)
-          case (Some(v1: Long), Some(v2)) => Some(v1 / v2.toString.toLong)
-          case (Some(v1: Float), Some(v2)) => Some(v1 / v2.toString.toFloat)
-          case (Some(v1: Double), Some(v2)) => Some(v1 / v2.toString.toDouble)
-          case _ => value
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => value
-      }
-    }
-
-    def % (other: Option[_]): Option[_] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: Byte), Some(v2)) => Some(v1 % v2.toString.toByte)
-          case (Some(v1: Short), Some(v2)) => Some(v1 % v2.toString.toShort)
-          case (Some(v1: Int), Some(v2)) => Some(v1 % v2.toString.toInt)
-          case (Some(v1: Long), Some(v2)) => Some(v1 % v2.toString.toLong)
-          case (Some(v1: Float), Some(v2)) => Some(v1 % v2.toString.toFloat)
-          case (Some(v1: Double), Some(v2)) => Some(v1 % v2.toString.toDouble)
-          case _ => value
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => value
-      }
-    }
-
-    def unary_- (): Option[_] = {
-      value match {
-        case Some(v: String) => Some(v.reverse.toString)
-        case Some(v: Boolean) => Some(!v)
-        case Some(v: Byte) => Some(-v)
-        case Some(v: Short) => Some(-v)
-        case Some(v: Int) => Some(-v)
-        case Some(v: Long) => Some(-v)
-        case Some(v: Float) => Some(-v)
-        case Some(v: Double) => Some(-v)
-        case Some(v) => Some(v)
-        case _ => None
-      }
-    }
-
-
-    def === (other: Option[_]): Option[Boolean] = {
-      (value, other) match {
-        case (Some(v1), Some(v2)) => Some(v1 == v2)
-        case _ => Some(false)
-      }
-    }
-
-    def =!= (other: Option[_]): Option[Boolean] = {
-      (value, other) match {
-        case (Some(v1), Some(v2)) => Some(v1 != v2)
-        case _ => Some(true)
-      }
-    }
-
-    def > (other: Option[_]): Option[Boolean] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: String), Some(v2: String)) => Some(v1 > v2)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case (Some(v1: Short), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case (Some(v1: Int), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case (Some(v1: Long), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case (Some(v1: Float), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case (Some(v1: Double), Some(v2)) => Some(v1 > v2.toString.toDouble)
-          case _ => Some(false)
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => None
-      }
-    }
-
-    def >= (other: Option[_]): Option[Boolean] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: String), Some(v2: String)) => Some(v1 >= v2)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case (Some(v1: Short), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case (Some(v1: Int), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case (Some(v1: Long), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case (Some(v1: Float), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case (Some(v1: Double), Some(v2)) => Some(v1 >= v2.toString.toDouble)
-          case _ => Some(false)
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => None
-      }
-    }
-
-    def < (other: Option[_]): Option[Boolean] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: String), Some(v2: String)) => Some(v1 < v2)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case (Some(v1: Short), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case (Some(v1: Int), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case (Some(v1: Long), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case (Some(v1: Float), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case (Some(v1: Double), Some(v2)) => Some(v1 < v2.toString.toDouble)
-          case _ => Some(false)
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => None
-      }
-    }
-
-    def <= (other: Option[_]): Option[Boolean] = {
-      Try {
-        (value, other) match {
-          case (Some(v1: String), Some(v2: String)) => Some(v1 <= v2)
-          case (Some(v1: Byte), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case (Some(v1: Short), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case (Some(v1: Int), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case (Some(v1: Long), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case (Some(v1: Float), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case (Some(v1: Double), Some(v2)) => Some(v1 <= v2.toString.toDouble)
-          case _ => Some(false)
-        }
-      } match {
-        case Success(opt) => opt
-        case _ => None
-      }
-    }
-
-
-    def in (other: Iterable[Option[_]]): Option[Boolean] = {
-      Some(other.foldLeft(false) { (res, next) =>
-        res || ===(next).getOrElse(false)
-      })
-    }
-
-    def not_in (other: Iterable[Option[_]]): Option[Boolean] = {
-      Some(other.foldLeft(true) { (res, next) =>
-        res && =!=(next).getOrElse(false)
-      })
-    }
-
-    def between (other: Iterable[Option[_]]): Option[Boolean] = {
-      if (other.size < 2) None else {
-        val (begin, end) = (other.head, other.tail.head)
-        (>=(begin), <=(end)) match {
-          case (Some(b1), Some(b2)) => Some(b1 && b2)
-          case _ => None
-        }
-      }
-    }
-
-    def not_between (other: Iterable[Option[_]]): Option[Boolean] = {
-      if (other.size < 2) None else {
-        val (begin, end) = (other.head, other.tail.head)
-        (<(begin), >(end)) match {
-          case (Some(b1), Some(b2)) => Some(b1 || b2)
-          case _ => None
-        }
-      }
-    }
-
-    def unary_! (): Option[Boolean] = {
-      value match {
-        case Some(v: Boolean) => Some(!v)
-        case Some(v) => Some(false)
-        case _ => None
-      }
-    }
-
-    def && (other: Option[_]): Option[Boolean] = {
-      (value, other) match {
-        case (Some(b1: Boolean), Some(b2: Boolean)) => Some(b1 && b2)
-        case _ => None
-      }
-    }
-
-    def || (other: Option[_]): Option[Boolean] = {
-      (value, other) match {
-        case (Some(b1: Boolean), Some(b2: Boolean)) => Some(b1 || b2)
-        case _ => None
-      }
-    }
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HdfsUtil.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HdfsUtil.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HdfsUtil.scala
deleted file mode 100644
index b48478a..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HdfsUtil.scala
+++ /dev/null
@@ -1,62 +0,0 @@
-package org.apache.griffin.measure.batch.utils
-
-import org.apache.hadoop.conf.Configuration
-import org.apache.hadoop.fs.{FSDataInputStream, FSDataOutputStream, FileSystem, Path}
-
-object HdfsUtil {
-
-  private val seprator = "/"
-
-  private val conf = new Configuration()
-  conf.set("dfs.support.append", "true")
-
-  private val dfs = FileSystem.get(conf)
-
-  def existPath(filePath: String): Boolean = {
-    val path = new Path(filePath)
-    dfs.exists(path)
-  }
-
-  def createFile(filePath: String): FSDataOutputStream = {
-    val path = new Path(filePath)
-    if (dfs.exists(path)) dfs.delete(path, true)
-    return dfs.create(path)
-  }
-
-  def appendOrCreateFile(filePath: String): FSDataOutputStream = {
-    val path = new Path(filePath)
-    if (dfs.exists(path)) dfs.append(path) else createFile(filePath)
-  }
-
-  def openFile(filePath: String): FSDataInputStream = {
-    val path = new Path(filePath)
-    dfs.open(path)
-  }
-
-  def writeContent(filePath: String, message: String): Unit = {
-    val out = createFile(filePath)
-    out.write(message.getBytes("utf-8"))
-    out.close
-  }
-
-  def appendContent(filePath: String, message: String): Unit = {
-    val out = appendOrCreateFile(filePath)
-    out.write(message.getBytes("utf-8"))
-    out.close
-  }
-
-  def createEmptyFile(filePath: String): Unit = {
-    val out = createFile(filePath)
-    out.close
-  }
-
-
-  def getHdfsFilePath(parentPath: String, fileName: String): String = {
-    if (parentPath.endsWith(seprator)) parentPath + fileName else parentPath + seprator + fileName
-  }
-
-  def deleteHdfsPath(dirPath: String): Unit = {
-    val path = new Path(dirPath)
-    if (dfs.exists(path)) dfs.delete(path, true)
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HttpUtil.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HttpUtil.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HttpUtil.scala
deleted file mode 100644
index 747d0fa..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/HttpUtil.scala
+++ /dev/null
@@ -1,30 +0,0 @@
-package org.apache.griffin.measure.batch.utils
-
-import scalaj.http._
-
-object HttpUtil {
-
-  val GET_REGEX = """^(?i)get$""".r
-  val POST_REGEX = """^(?i)post$""".r
-  val PUT_REGEX = """^(?i)put$""".r
-  val DELETE_REGEX = """^(?i)delete$""".r
-
-  def postData(url: String, params: Map[String, Object], headers: Map[String, Object], data: String): String = {
-    val response = Http(url).params(convertObjMap2StrMap(params)).headers(convertObjMap2StrMap(headers)).postData(data).asString
-    response.code.toString
-  }
-
-  def httpRequest(url: String, method: String, params: Map[String, Object], headers: Map[String, Object], data: String): String = {
-    val httpReq = Http(url).params(convertObjMap2StrMap(params)).headers(convertObjMap2StrMap(headers))
-    method match {
-      case POST_REGEX() => httpReq.postData(data).asString.code.toString
-      case PUT_REGEX() => httpReq.put(data).asString.code.toString
-      case _ => "wrong method"
-    }
-  }
-
-  private def convertObjMap2StrMap(map: Map[String, Object]): Map[String, String] = {
-    map.map(pair => pair._1 -> pair._2.toString)
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/JsonUtil.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/JsonUtil.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/JsonUtil.scala
deleted file mode 100644
index cdd470a..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/JsonUtil.scala
+++ /dev/null
@@ -1,32 +0,0 @@
-package org.apache.griffin.measure.batch.utils
-
-import java.io.InputStream
-
-import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper}
-import com.fasterxml.jackson.module.scala.DefaultScalaModule
-
-import scala.reflect._
-
-object JsonUtil {
-  val mapper = new ObjectMapper()
-  mapper.registerModule(DefaultScalaModule)
-  mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
-
-  def toJson(value: Map[Symbol, Any]): String = {
-    toJson(value map { case (k,v) => k.name -> v})
-  }
-
-  def toJson(value: Any): String = {
-    mapper.writeValueAsString(value)
-  }
-
-  def toMap[V](json:String)(implicit m: Manifest[V]) = fromJson[Map[String,V]](json)
-
-  def fromJson[T: ClassTag](json: String)(implicit m : Manifest[T]): T = {
-    mapper.readValue[T](json, classTag[T].runtimeClass.asInstanceOf[Class[T]])
-  }
-
-  def fromJson[T: ClassTag](is: InputStream)(implicit m : Manifest[T]): T = {
-    mapper.readValue[T](is, classTag[T].runtimeClass.asInstanceOf[Class[T]])
-  }
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/StringParseUtil.scala
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/StringParseUtil.scala b/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/StringParseUtil.scala
deleted file mode 100644
index 7f2b355..0000000
--- a/griffin-measure/griffin-measure-batch/src/main/scala/org/apache/griffin/measure/batch/utils/StringParseUtil.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.apache.griffin.measure.batch.utils
-
-object StringParseUtil {
-
-  def sepStrings(str: String, sep: String): Iterable[String] = {
-    val strings = str.split(sep)
-    strings.map(_.trim)
-  }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-griffin/blob/c4340cea/griffin-measure/griffin-measure-batch/src/test/resources/config.json
----------------------------------------------------------------------
diff --git a/griffin-measure/griffin-measure-batch/src/test/resources/config.json b/griffin-measure/griffin-measure-batch/src/test/resources/config.json
deleted file mode 100644
index 65e0ed9..0000000
--- a/griffin-measure/griffin-measure-batch/src/test/resources/config.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "name": "accu1",
-  "type": "accuracy",
-
-  "source": {
-    "type": "avro",
-    "version": "1.7",
-    "config": {
-      "file.name": "src/test/resources/users_info_src.avro"
-    }
-  },
-
-  "target": {
-    "type": "avro",
-    "version": "1.7",
-    "config": {
-      "file.name": "src/test/resources/users_info_target.avro"
-    }
-  },
-
-  "evaluateRule": {
-    "sampleRatio": 1,
-    "rules": "$source.user_id > 10020 AND $source.user_id + 5 = $target.user_id + (2 + 3) AND $source.first_name + 12 = $target.first_name + (10 + 2) AND $source.last_name = $target.last_name AND $source.address = $target.address AND $source.email = $target.email AND $source.phone = $target.phone AND $source.post_code = $target.post_code"
-  }
-}
\ No newline at end of file