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Contents
module RR
# Replicators are classes that implement the replication policies.
# This module provides functionality to register replicators and access the
# list of registered replicators.
# Each Replicator must register itself with Replicators#register.
# Each Replicator must implement the following methods:
#
# # Creates a new replicator (A replicator is used for one replication run only)
# # * sync_helper: a SyncHelper object providing necessary information and functionalities
# def initialize(sync_helper)
#
# # Called to sync the provided difference.
# # +difference+ is an instance of +ReplicationDifference+
# def replicate_difference(difference)
#
# # Provides default option for the replicator. Optional.
# # Returns a hash with :key => value pairs.
# def self.default_options
module Replicators
# Returns a Hash of currently registered replicators.
# (Empty Hash if no replicators were defined.)
def self.replicators
@replicators ||= {}
@replicators
end
# Returns the correct replicator class as per provided options hash
def self.configured_replicator(options)
replicators[options[:replicator]]
end
# Registers one or multiple replicators.
# syncer_hash is a Hash with
# key:: The adapter symbol as used to reference the replicator
# value:: The class implementing the replicator
def self.register(replicator_hash)
@replicators ||= {}
@replicators.merge! replicator_hash
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems