Class: Orchestra::DSL::SingletonAdapter

Inherits:
ObjectAdapter show all
Defined in:
lib/orchestra/dsl/object_adapter.rb

Instance Attribute Summary

Attributes inherited from ObjectAdapter

#collection, #method_name, #object

Instance Method Summary collapse

Methods inherited from ObjectAdapter

#build_context, build_step, #collection?, #context_class, #dependencies, determine_type, #initialize, #name

Constructor Details

This class inherits a constructor from Orchestra::DSL::ObjectAdapter

Instance Method Details

#execute(state) ⇒ Object 



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# File 'lib/orchestra/dsl/object_adapter.rb', line 67

def execute state
  deps = object_method.dependencies
  input = state.select do |key, _| deps.include? key end
  Invokr.invoke :method => method_name, :on => object, :with => input
end

#object_method ⇒ Object 



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# File 'lib/orchestra/dsl/object_adapter.rb', line 73

def object_method
  Invokr.query_method object.method method_name
end

#validate! ⇒ Object 



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# File 'lib/orchestra/dsl/object_adapter.rb', line 56

def validate!
  unless object.methods.include? method_name
    raise NotImplementedError,
      "#{object} does not implement method `#{method_name}'"
  end
  if collection?
    raise ArgumentError,
      "#{object} is a singleton; cannot iterate over collection #{collection.inspect}"
  end
end