Module: Datacraft::Context

Included in:
Instruction
Defined in:
lib/datacraft/context.rb

Overview

define the context of the instruction

Instance Method Summary collapse

Instance Method Details

#consumers ⇒ Object 



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# File 'lib/datacraft/context.rb', line 20

def consumers
  @consumers ||= []
end

#options ⇒ Object 



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# File 'lib/datacraft/context.rb', line 24

def options
  @options ||= {}
end

#post_hooks ⇒ Object 



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# File 'lib/datacraft/context.rb', line 16

def post_hooks
  @post_hooks ||= []
end

#pre_hooks ⇒ Object 



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# File 'lib/datacraft/context.rb', line 12

def pre_hooks
  @pre_hooks ||= []
end

#sources ⇒ Object 



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# File 'lib/datacraft/context.rb', line 4

def sources
  @sources ||= []
end

#tweakers ⇒ Object 



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# File 'lib/datacraft/context.rb', line 8

def tweakers
  @tweakers ||= []
end

#validate ⇒ Object 



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# File 'lib/datacraft/context.rb', line 28

def validate
  fail InvalidInstruction, "Please define data source with keyword 'from'." unless sources.size > 0
  fail InvalidInstruction, "Please define data consumer with keyword 'to'." unless consumers.size > 0
  sources.each(&:validate)
  consumers.each(&:validate)
  tweakers.each(&:validate)
  pre_hooks.each(&:validate)
  post_hooks.each(&:validate)
end