Sha256: 075222069f96314898512ab804771dcdec746c18dd5d84949d1bfc2cef697168
Contents?: true
Size: 974 Bytes
Versions: 7
Compression:
Stored size: 974 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 # class Clean
end # class PersistenceState
end # module Resource
end # module DataMapper
Version data entries
7 entries across 7 versions & 3 rubygems