# Copyright 2014-2020 Aerospike, Inc.
#
# Portions may be licensed to Aerospike, Inc. under one or more contributor
# license agreements.
#
# 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 Aerospike

  class BatchItem #:nodoc:

    attr_accessor :key
    attr_accessor :indexes

    def self.generate_map(keys)
      map = keys.each_with_index
        .group_by { |key, _| key }
        .map { |key, keys_with_idx|
          [key.digest, BatchItem.new(key, keys_with_idx.map(&:last))]
        }
      map.to_h
    end

    def initialize(key, indexes)
      @key = key
      @indexes = indexes
    end

    def index
      indexes.shift
    end

  end

end
