com.twitter.summingbird.batch.BatchConfig.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of summingbird-batch-hadoop_2.9.3 Show documentation

summingbird-batch-hadoop

The newest version!

/*
 Copyright 2013 Twitter, Inc.

 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.
 */

package com.twitter.summingbird.batch

import scala.collection.JavaConverters._
import org.apache.hadoop.conf.Configuration
import com.twitter.summingbird.{ WrappingConfig, ReadableMap }

object BatchConfig {
  def apply(backingConfig: Configuration) = WrappingConfig(new WrappedHadoopConfig(backingConfig))
}

class WrappedHadoopConfig(backingConfig: Configuration) extends ReadableMap {
  def get(key: String): Option[AnyRef] =
    if (keys.contains(key))
      Some(backingConfig.get(key))
    else
      None

  val keys: Set[String] = backingConfig.iterator.asScala.map(_.getKey).toSet
}