Class: StateMachine::WhitelistMatcher

Inherits:
Matcher
  • Object
show all
Defined in:
lib/state_machine/matcher.rb

Overview

Matches a specific set of values

Instance Attribute Summary

Attributes inherited from Matcher

#values

Instance Method Summary (collapse)

Methods inherited from Matcher

#filter, #initialize

Constructor Details

This class inherits a constructor from StateMachine::Matcher

Instance Method Details

- (Object) description

A human-readable description of this matcher



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# File 'lib/state_machine/matcher.rb', line 70

def description
  values.length == 1 ? values.first.inspect : values.inspect
end

- (Boolean) matches?(value, context = {})

Checks whether the given value exists within the whitelist configured for this matcher.

Examples

matcher = StateMachine::WhitelistMatcher.new([:parked, :idling])
matcher.matches?(:parked)       # => true
matcher.matches?(:first_gear)   # => false

Returns:

  • (Boolean)


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# File 'lib/state_machine/matcher.rb', line 65

def matches?(value, context = {})
  values.include?(value)
end