module HAJ
  module Pool
    class Config < Java::org.apache.commons.pool2.impl.GenericObjectPoolConfig

      # Default values taken from the Jedis PoolConfig
      DEFAULT_TESTS_WHILE_IDLE            = true
      DEFAULT_MIN_EVICTABLE_IDLE_TIME     = 60_000
      DEFAULT_TIME_BETWEEN_EVICTIONS_RUNS = 30_000
      DEFAULT_TESTS_PER_EVICTION_RUN      = -1

      # Supplemental default values that allow more fine-tuned configuration
      # of the connection pool
      DEFAULT_MAX_TOTAL = 8
      DEFAULT_MAX_IDLE  = 8

      def initialize(options = {})
        # Make sure that we're not forwarding the arguments to the parent class
        # as there are no constructors defined that accept a Hash/java.util.Map
        # as an argument
        super()

        self.max_total = options.fetch(:max_total) { DEFAULT_MAX_TOTAL }
        self.max_idle  = options.fetch(:max_idle) { DEFAULT_MAX_IDLE }

        self.test_while_idle =
          options.fetch(:test_while_idle) { DEFAULT_TESTS_WHILE_IDLE }

        self.min_evictable_idle_time_millis =
          options.fetch(:min_evictable_idle_time) { DEFAULT_MIN_EVICTABLE_IDLE_TIME }

        self.time_between_eviction_runs_millis =
          options.fetch(:time_between_eviction_runs) { DEFAULT_TIME_BETWEEN_EVICTIONS_RUNS }

        self.num_tests_per_eviction_run =
          options.fetch(:tests_per_eviction_run) { DEFAULT_TESTS_PER_EVICTION_RUN }
      end
    end
  end
end