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# Copyright (C) 2009-2014 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 Operation
module Commands
class ParallelScan
# Defines custom behaviour of results in a parallel scan.
#
# @since 2.0.0
class Result < Operation::Result
# The name of the cursors field in the result.
#
# @since 2.0.0
CURSORS = 'cursors'.freeze
# Get all the cursor ids from the result.
#
# @example Get the cursor ids.
# result.cursor_ids
#
# @return [ Array<Integer> ] The cursor ids.
#
# @since 2.0.0
def cursor_ids
documents.map{ |doc| doc[CURSOR][CURSOR_ID] }
end
# Get the documents from parallel scan.
#
# @example Get the documents.
# result.documents
#
# @return [ Array<BSON::Document> ] The documents.
#
# @since 2.0.0
def documents
reply.documents[0][CURSORS]
end
private
def first
@first ||= reply.documents[0] || {}
end
end
end
end
end
end
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