Contents

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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 Arrow
  class RecordBatchReader
    class << self
      # @api private
      def try_convert(value)
        case value
        when ::Array
          return nil if value.empty?
          if value.all? {|v| v.is_a?(RecordBatch)}
            new(value)
          else
            nil
          end
        when RecordBatch
          new([value])
        when Table
          TableBatchReader.new(value)
        else
          nil
        end
      end
    end
  end
end

Version data entries

21 entries across 21 versions & 1 rubygems

Version	Path
red-arrow-6.0.0	lib/arrow/record-batch-reader.rb