Sha256: e4bfd597b309b861ab91c5b7081c2a93c0148ad64641f6b2b601b11d26ef5314
Contents?: true
Size: 888 Bytes
Versions: 4
Compression:
Stored size: 888 Bytes
Contents
module DataMapper
module Resource
class PersistenceState
# a persisted/unmodified resource
class Clean < Persisted
def set(subject, value)
if not_modified?(subject, value)
self
else
# assign to persistence_state so that if Dirty#set calls
# a Relationship#set, which modifies a Property, the same
# Dirty state instance will be reused.
state = resource.persistence_state = Dirty.new(resource)
state.set(subject, value)
end
end
def delete
Deleted.new(resource)
end
def commit
self
end
def rollback
self
end
private def not_modified?(subject, value)
subject.loaded?(resource) && subject.get!(resource).eql?(value)
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems