Class: ApacheCrunch::ProcedureRoutine

Inherits:

Object

• Object
• ApacheCrunch::ProcedureRoutine

Defined in:

lib/procedure_dsl.rb

Overview

Abstract for a procedure routine.

Direct Known Subclasses

ConfidenceInterval, CountBy, CountWhere, Distribution, Each, Filter, LogDistribution, MostCommon, Percentile, Sum

Instance Method Summary

• #execute(&blk) ⇒ Object

  Executes the DSL routine using the given block.

• #finish ⇒ Object

  Anything that needs to happen after the routine completes but before it returns its result can go in here.

• #initialize(log_parser) ⇒ ProcedureRoutine constructor

  A new instance of ProcedureRoutine.

• #method_missing(sym, *args) ⇒ Object

  Allows blocks passed to a DSL routine to access parameters from the current log entry.

Constructor Details

#initialize(log_parser) ⇒ ProcedureRoutine

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

def initialize(log_parser)
    @_log_parser = log_parser
    @_current_entry = nil
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object

Allows blocks passed to a DSL routine to access parameters from the current log entry

# File 'lib/procedure_dsl.rb', line 12

def method_missing(sym, *args)
    @_current_entry.fetch(sym)
end

Instance Method Details

#execute(&blk) ⇒ Object

Executes the DSL routine using the given block

Abstract method

# File 'lib/procedure_dsl.rb', line 19

def execute(&blk)
    raise "Not implemented"
end

#finish ⇒ Object

Anything that needs to happen after the routine completes but before it returns its result can go in here.

# File 'lib/procedure_dsl.rb', line 25

def finish
    @_log_parser.reset_file!
end