Class: FlowMachine::ChangeCallback

Inherits:

StateCallback

• Object
• Callback
• StateCallback
• FlowMachine::ChangeCallback

Defined in:

lib/flow_machine/change_callback.rb

Instance Attribute Summary

• #field ⇒ Object

  Returns the value of attribute field.

Attributes inherited from Callback

#method, #options

Instance Method Summary

• #initialize(field, *args, &block) ⇒ ChangeCallback constructor

  A new instance of ChangeCallback.

• #will_run?(object, changes = {}) ⇒ Boolean

Methods inherited from StateCallback

#run_method

Methods inherited from Callback

#call, #call!, #run_method, #run_method_or_lambda

Constructor Details

#initialize(field, *args, &block) ⇒ ChangeCallback

Returns a new instance of ChangeCallback.

# File 'lib/flow_machine/change_callback.rb', line 4

def initialize(field, *args, &block)
  @field = field
  super(*args, &block)
end

Instance Attribute Details

#field ⇒ Object

Returns the value of attribute field.

# File 'lib/flow_machine/change_callback.rb', line 3

def field
  @field
end

Instance Method Details

#will_run?(object, changes = {}) ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/flow_machine/change_callback.rb', line 9

def will_run?(object, changes = {})
  changes.key?(field.to_s) && super
end