Class: ActiveOperation::Pipeline

Inherits:
Base
  • Object
show all
Defined in:
lib/active_operation/pipeline.rb

Defined Under Namespace

Classes: OperationFactory

Instance Attribute Summary

Attributes inherited from Base

#error, #output

Class Method Summary collapse

Methods inherited from Base

#call, call, #completed?, #halted?, #initialize, inputs, perform, #perform, #succeeded?, to_proc

Constructor Details

This class inherits a constructor from ActiveOperation::Base

Class Method Details

.compose(*operations, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/active_operation/pipeline.rb', line 41

def compose(*operations, &block)
  raise ArgumentError, "Expects either an array of operations or a block with configuration instructions" unless !!block ^ !operations.empty?

  if block
    Class.new(self, &block)
  else
    Class.new(self) do
      operations.each do |operation|
        use operation
      end
    end
  end
end

.operations ⇒ Object 



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# File 'lib/active_operation/pipeline.rb', line 25

def operations
  []
end

.use(operation, options = {}) ⇒ Object 



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# File 'lib/active_operation/pipeline.rb', line 29

def use(operation, options = {})
  if operations.empty?
    inputs = operation.inputs

    inputs.each do |input|
      input input.name, type: input.type
    end
  end

  (@operations ||= []) << OperationFactory.new(operation, options)
end