Aquasync DeltasAggregator
require 'aquasync_deltas_aggregator'
# @example Initialization
aggregator = DeltasAggregator.new
aggregator.regist_model_manager(Book, Author)
# @example Obtain a DeltaPack from registered models.
aggregator.pack_deltas
# @example Commit a DeltaPack to registered models.
aggregator.unpack_and_commit_delta_pack(delta_pack)