Class: Insight::Rule

Inherits:
Object
  • Object
show all
Defined in:
lib/insight.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(db, rule, config) ⇒ Rule

Returns a new instance of Rule.



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# File 'lib/insight.rb', line 7

def initialize(db, rule, config)
  @db = db
  @rule = rule
  @config = config
  @regexps = {}

  @fileregex = Regexp.new(config["file"])

  @config["regex"].each{|key, value|
    @regexps[key] = Regexp.new(value)
  }
  createSchema()
  createIndexes()
end

Instance Attribute Details

#rule ⇒ Object

Returns the value of attribute rule.



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# File 'lib/insight.rb', line 6

def rule
  @rule
end

Instance Method Details

#applies?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/insight.rb', line 45

def applies?(file)
  m = @fileregex.match(file)
  return !m.nil?
end

#createIndexes ⇒ Object 



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# File 'lib/insight.rb', line 21

def createIndexes()
  @config["schema"]["indexes"].each{|key, value|
    id = "#{rule}#{key}"
    query = "CREATE INDEX IF NOT EXISTS #{id} on #{rule} ( #{value} );"
    @db.execute query
  }
end

#createSchema ⇒ Object 



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# File 'lib/insight.rb', line 28

def createSchema()
  query = "CREATE TABLE IF NOT EXISTS #{@rule} ( "
  count = 0
  @columns = ""
  @columnholders = ""
  @config["schema"]["columns"].each{|key, value|
    query = query + ", " if count != 0
    @columns = @columns + ", " if count != 0
    @columnholders = @columnholders + ", " if count != 0
    @columns = @columns + key
    @columnholders = @columnholders + "?"
    query = query + key + " " + value
    count = count + 1
  }
  query = query + ");"
  @db.execute query
end

#insert(m) ⇒ Object 



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# File 'lib/insight.rb', line 49

def insert(m)
  query = "INSERT INTO #{@rule} (#{@columns}) VALUES ( #{@columnholders} )"

  @db.execute(query, m.captures) 
end

#line(line) ⇒ Object 



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# File 'lib/insight.rb', line 54

def line(line)
  @regexps.each{|name, regexp|
    m = regexp.match(line)
    insert(m) if m
  }
end