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Contents
# Copyright (C) 2014-2017 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.
require 'mongo/grid/stream/read'
require 'mongo/grid/stream/write'
module Mongo
module Grid
class FSBucket
# A stream that reads and writes files from/to the FSBucket.
#
# @since 2.1.0
module Stream
extend self
# The symbol for opening a read stream.
#
# @since 2.1.0
READ_MODE = :r
# The symbol for opening a write stream.
#
# @since 2.1.0
WRITE_MODE = :w
# Mapping from mode to stream class.
#
# @since 2.1.0
MODE_MAP = {
READ_MODE => Read,
WRITE_MODE => Write
}.freeze
# Get a stream for reading/writing files from/to the FSBucket.
#
# @example Get a stream.
# FSBucket::Stream.get(fs, FSBucket::READ_MODE, options)
#
# @param [ FSBucket ] fs The GridFS bucket object.
# @param [ FSBucket::READ_MODE, FSBucket::WRITE_MODE ] mode The stream mode.
# @param [ Hash ] options The stream options.
#
# @return [ Stream::Read, Stream::Write ] The stream object.
#
# @since 2.1.0
def get(fs, mode, options = {})
MODE_MAP[mode].new(fs, options)
end
end
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems