Class: PredicateMatcher
- Inherits:
-
Object
- Object
- PredicateMatcher
- Defined in:
- lib/predicate_matcher.rb
Direct Known Subclasses
Instance Method Summary collapse
-
#initialize(predicate) ⇒ PredicateMatcher
constructor
A new instance of PredicateMatcher.
- #match(value) ⇒ Object
Constructor Details
#initialize(predicate) ⇒ PredicateMatcher
Returns a new instance of PredicateMatcher.
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# File 'lib/predicate_matcher.rb', line 2 def initialize(predicate) @predicate = predicate end |
Instance Method Details
#match(value) ⇒ Object
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# File 'lib/predicate_matcher.rb', line 5 def match(value) if @predicate.length > 1 matcher = AndPredicateMatcher.new(@predicate) return matcher.match(value) end case @predicate.keys.first when "$exists" return @predicate.values.first == !value.nil? when "$in" return @predicate.values.first.include?(value) when "$nin" return !@predicate.values.first.include?(value) when "$gt" return value > @predicate.values.first when "$gte" return value >= @predicate.values.first when "$lt" return value < @predicate.values.first when "$lte" return value <= @predicate.values.first when "$ne" return value != @predicate.values.first when "$mod" return value % @predicate.values.first[0] == @predicate.values.first[1] else raise NotImplementedError end end |