class StateMachine::Matcher
Provides a general strategy pattern for determining whether a match is found for a value. The algorithm that actually determines the match depends on the matcher in use.
Attributes
values[R]
The list of values against which queries are matched
Public Class Methods
new(values = [])
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Creates a new matcher for querying against the given set of values
# File lib/state_machine/matcher.rb 12 def initialize(values = []) 13 @values = values.is_a?(Array) ? values : [values] 14 end
Public Instance Methods
filter(values)
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Generates a subset of values that exists in both the set of values being filtered and the values configured for the matcher
# File lib/state_machine/matcher.rb 18 def filter(values) 19 self.values & values 20 end