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-rw-r--r--lib/arel/algebra/attributes/attribute.rb72
1 files changed, 34 insertions, 38 deletions
diff --git a/lib/arel/algebra/attributes/attribute.rb b/lib/arel/algebra/attributes/attribute.rb
index d9ea588128..5689d69b02 100644
--- a/lib/arel/algebra/attributes/attribute.rb
+++ b/lib/arel/algebra/attributes/attribute.rb
@@ -82,48 +82,44 @@ module Arel
include Congruence
module Predications
- def eq(other)
- Predicates::Equality.new(self, other)
- end
-
- def not(other)
- Predicates::Not.new(self, other)
- end
-
- def lt(other)
- Predicates::LessThan.new(self, other)
- end
-
- def lteq(other)
- Predicates::LessThanOrEqualTo.new(self, other)
- end
-
- def gt(other)
- Predicates::GreaterThan.new(self, other)
- end
-
- def gteq(other)
- Predicates::GreaterThanOrEqualTo.new(self, other)
- end
-
- def matches(regexp)
- Predicates::Match.new(self, regexp)
- end
-
- def notmatches(regexp)
- Predicates::NotMatch.new(self, regexp)
- end
+ methods = {
+ :eq => "Equality",
+ :not => "Not",
+ :lt => "LessThan",
+ :lteq => "LessThanOrEqualTo",
+ :gt => "GreaterThan",
+ :gteq => "GreaterThanOrEqualTo",
+ :matches => "Match",
+ :notmatches => "NotMatch",
+ :in => "In",
+ :notin => "NotIn"
+ }
- def in(array)
- if array.is_a?(Range) && array.exclude_end?
- [Predicates::GreaterThanOrEqualTo.new(self, array.begin), Predicates::LessThan.new(self, array.end)]
- else
- Predicates::In.new(self, array)
+ def self.predication(name, klass)
+ methods = {
+ :operator => "
+ def #{name}(other)
+ Predicates::#{klass}.new(self, other)
+ end
+ ",
+ :any => "
+ def #{name}_any(*others)
+ Predicates::Any.new(Predicates::#{klass}, self, *others)
+ end
+ ",
+ :all => "
+ def #{name}_all(*others)
+ Predicates::All.new(Predicates::#{klass}, self, *others)
+ end
+ "
+ }
+ [:operator, :any, :all].each do |method_name|
+ module_eval methods[method_name], __FILE__, __LINE__
end
end
- def notin(array)
- Predicates::NotIn.new(self, array)
+ methods.each_pair do |method_name, class_name|
+ predication(method_name, class_name)
end
end
include Predications