Class: Opera::Operation::Base

Inherits:
Object
  • Object
show all
Includes:
Builder
Defined in:
lib/opera/operation/base.rb

Constant Summary

Constants included from Builder

Opera::Operation::Builder::INSTRUCTIONS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Builder

included

Constructor Details

#initialize(params: {}, dependencies: {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/opera/operation/base.rb', line 11

def initialize(params: {}, dependencies: {})
  @context = {}
  @finished = false
  @result = Result.new
  @params = params.freeze
  @dependencies = dependencies.freeze
  config
end

Instance Attribute Details

#context ⇒ Object

Returns the value of attribute context.



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# File 'lib/opera/operation/base.rb', line 8

def context
  @context
end

#dependencies ⇒ Object (readonly)

Returns the value of attribute dependencies.



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# File 'lib/opera/operation/base.rb', line 9

def dependencies
  @dependencies
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/opera/operation/base.rb', line 9

def params
  @params
end

#result ⇒ Object (readonly)

Returns the value of attribute result.



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# File 'lib/opera/operation/base.rb', line 9

def result
  @result
end

Class Method Details

.call(args = {}) ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 33

def call(args = {})
  operation = new(params: args.fetch(:params, {}), dependencies: args.fetch(:dependencies, {}))
  executor = Executor.new(operation)
  executor.evaluate_instructions(instructions)
  executor.result
end

.check_method_availability!(method) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/opera/operation/base.rb', line 52

def check_method_availability!(method)
  return if instance_methods(false).none?(method)

  raise(ArgumentError, "Method #{method} is already defined")
end

.config ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 40

def config
  @config ||= Config.new
end

.configure {|config| ... } ⇒ Object

Yields:



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# File 'lib/opera/operation/base.rb', line 44

def configure
  yield config
end

.context(&blk) ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 58

def context(&blk)
  AttributesDSL.new(klass: self, block_name: :context, allowed: [:attr_reader, :attr_accessor]).instance_exec(&blk)
end

.dependencies(&blk) ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 66

def dependencies(&blk)
  AttributesDSL.new(klass: self, block_name: :dependencies).instance_exec(&blk)
end

.params(&blk) ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 62

def params(&blk)
  AttributesDSL.new(klass: self, block_name: :params).instance_exec(&blk)
end

.reporter ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 48

def reporter
  config.reporter
end

Instance Method Details

#config ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 20

def config
  self.class.config
end

#finish! ⇒ Object 



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# File 'lib/opera/operation/base.rb', line 24

def finish!
  @finished = true
end

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/opera/operation/base.rb', line 28

def finished?
  @finished
end