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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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 AWS
class RDS
class DBSnapshotCollection
include Core::Collection::WithLimitAndNextToken
# @api private
def initialize options = {}
@filters = options[:filters] || {}
super
end
# @param [String] db_snapshot_id
# @return [DBSnapshot] Returns a {DBSnapshot} with the given ID.
def [] db_snapshot_id
DBSnapshot.new(db_snapshot_id, :config => config)
end
# Filters the DB snapshots to those beloning to a single db instance.
# You may pass the ID of a db instance or a {DBInstance} object.
#
# @param [String,DBInstance] db_instance A db instance identifier
# string or a {DBInstance} object.
#
# @return [DBSnapshotCollection]
#
def db_instance db_instance
id = db_instance.is_a?(Core::Model) ? db_instance.id : db_instance
filter(:db_instance_identifier, id.to_s.downcase)
end
# Filters the DB snapshots to those of a given snapshot type.
# @param [String] snapshot_type
# @return [DBSnapshotCollection]
def with_type snapshot_type
filter(:snapshot_type, snapshot_type)
end
alias_method :type, :with_type
# @param [String,Symbol] name
# @param [Mixed] value
# @return [DBSnapshotCollection]
def filter name, value
options = {}
options[:filters] = @filters.merge(name.to_s.to_sym => value)
options[:config] = config
DBSnapshotCollection.new(options)
end
protected
def _each_item marker, max_records, options = {}, &block
options = @filters.merge(options)
options[:marker] = marker if marker
options[:max_records] = [[20,max_records].max,100].min if max_records
response = client.describe_db_snapshots(options)
response.data[:db_snapshots].each do |details|
db_snapshot = DBSnapshot.new_from(
:describe_db_snapshots,
details,
details[:db_snapshot_identifier],
:config => config)
yield(db_snapshot)
end
response.data[:marker]
end
end
end
end
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