1# Licensed to the Apache Software Foundation (ASF) under one
2# or more contributor license agreements.  See the NOTICE file
3# distributed with this work for additional information
4# regarding copyright ownership.  The ASF licenses this file
5# to you under the Apache License, Version 2.0 (the
6# "License"); you may not use this file except in compliance
7# with the License.  You may obtain a copy of the License at
8#
9#   http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing,
12# software distributed under the License is distributed on an
13# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14# KIND, either express or implied.  See the License for the
15# specific language governing permissions and limitations
16# under the License.
17
18module Arrow
19  class AggregateNodeOptions
20    class << self
21      # @api private
22      def try_convert(value)
23        case value
24        when Hash
25          aggregations = value[:aggregations]
26          return nil if aggregations.nil?
27          keys = value[:keys]
28          new(aggregations, keys)
29        else
30          nil
31        end
32      end
33    end
34  end
35end
36