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Contents
module Volt
module Persistors
# Implements the base persistor functionality.
class Base
def initialize(model)
@model = model
end
def loaded(initial_state = nil)
@model.change_state_to(:loaded_state, initial_state || :loaded)
end
# Method that is called when data on the model changes.
# @returns [true|Promise] - should return a Promise or true. On async
# persistors, the promise from set and save! will wait on the
# Promise.
def changed(attribute_name)
end
def added(model, index)
end
# For removed, the default action is to call changed for it
def removed(attribute_name)
changed(attribute_name)
end
# Called when the model is cleared (all child models removed)
def clear
end
def event_added(event, first, first_for_event)
end
def event_removed(event, last, last_for_event)
end
# Specify if this collection should auto-generate id's
def auto_generate_id
false
end
# return true if this persistor is asynchronus and needs to return
# Promises.
def async?
false
end
# Find the root for this model
def root_model
node = @model
loop do
parent = node.parent
if parent
node = parent
else
break
end
end
node
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems