import quincy 17.2.0

[ceph.git] / ceph / src / arrow / ruby / red-arrow / lib / arrow / generic-filterable.rb

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# to you under the Apache License, Version 2.0 (the
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# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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# under the License.

module Arrow
  module GenericFilterable
    class << self
      def included(base)
        base.__send__(:alias_method, :filter_raw, :filter)
        base.__send__(:alias_method, :filter, :filter_generic)
      end
    end

    def filter_generic(filter, options=nil)
      case filter
      when ::Array
        filter_raw(BooleanArray.new(filter), options)
      when ChunkedArray
        if respond_to?(:filter_chunked_array)
          filter_chunked_array(filter, options)
        else
          # TODO: Implement this in C++
          filter_raw(filter.pack, options)
        end
      else
        filter_raw(filter, options)
      end
    end
  end
end