Sha256: fd7b496d3aad4a5d41e5b9ccfa5b0b69611da9e2600a8848ed29a4944cb83feb
Contents?: true
Size: 1.33 KB
Versions: 9
Compression:
Stored size: 1.33 KB
Contents
module Spontaneous::DataMapper
module ContentModel
module Serialization
def self.included(model)
# Don't want to pollute this shared module with the accessors
# (in case we are using this in multiple models)
m = Module.new
model.serialized_columns.each do |column|
m.module_eval (<<-RB), __FILE__, __LINE__
def #{column}
_deserialize_column(:#{column}) { super }
end
def #{column}=(value)
super(_serialize_column(:#{column}, value))
end
RB
end
model.send :include, m
end
def refresh
_deserialized_values.clear
super
end
private
def _deserialized_values
@_deserialized_values ||= {}
end
def _deserialize_column(column)
cache = _deserialized_values
unless cache.key?(column)
cache[column] = _deserialize_value(yield)
end
cache[column]
end
def _deserialize_value(value)
Yajl::Parser.new(:symbolize_keys => true).parse(value || "null")
end
def _serialize_column(column, value)
_deserialized_values[column] = value
_serialize_value(value)
end
def _serialize_value(value)
Yajl::Encoder.new.encode(value)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems