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Contents
# frozen_string_literal: true
# encoding: utf-8
# Copyright (C) 2015-2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
module Event
# The queue of events getting processed in the client.
#
# @since 2.0.0
class Listeners
# Initialize the event listeners.
#
# @example Initialize the event listeners.
# Listeners.new
#
# @since 2.0.0
def initialize
@listeners = {}
end
# Add an event listener for the provided event.
#
# @example Add an event listener
# publisher.add_listener("my_event", listener)
#
# @param [ String ] event The event to listen for.
# @param [ Object ] listener The event listener.
#
# @return [ Array<Object> ] The listeners for the event.
#
# @since 2.0.0
def add_listener(event, listener)
listeners_for(event).push(listener)
end
# Get the listeners for a specific event.
#
# @example Get the listeners.
# publisher.listeners_for("test")
#
# @param [ String ] event The event name.
#
# @return [ Array<Object> ] The listeners.
#
# @since 2.0.0
def listeners_for(event)
@listeners[event] ||= []
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems