Contents

module Iowa
	class Association
	
		def initialize(association)
			@association = association
		end

		def association
			@association
		end

		def test(object)
			true
		end
	end

	class PathAssociation < Association
		def get(object,cache = false,stack_key = C_empty)
			oca_key = "#{stack_key}/#{@association.hash}"
			myval = object.cached_associations[oca_key]
			if cache
				usecache = myval ? true : false
				usecache = false if myval.respond_to?(:empty?) and myval.empty? 
			end
			if cache and usecache
				myval
			else
				object.cached_associations[oca_key] = object.valueForKeyPath(@association)
			end
		end
	
		def set(object, val)
			object.takeValueForKeyPath(val, @association)
		end

		def test(object)
			object.existsKeyPath?(@association)
		end
	end

	class LiteralAssociation < Association

		def get(object = nil, cache = false, stack_key = nil)
			unless @association.is_a?(Proc)
				@association
			else
				@association.call(object.send(:binding))
			end
		end
	
		def set(object, val)
			@association = val
		end
	end

	class FlexibleAssociation < Association
		def FlexibleAssociation.new(association)
			if association[0] == 123
				association.sub!(/^\{/,C_empty)
				association.sub!(/\}\s*$/,C_empty)
				LiteralAssociation.new(Proc.new {|*ns| ns = ns[0] || binding ; eval(association,ns)})
			else
				PathAssociation.new(association)
			end
		end
	end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
IOWA-1.0.3	microprojects/DiskCache/src/iowa/Association.rb
IOWA-1.0.2	microprojects/DiskCache/src/iowa/Association.rb
IOWA-1.0.0	microprojects/DiskCache/src/iowa/Association.rb