/**
 * 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.
 */

package kafka.cluster

import scala.collection._

/**
 * The set of active brokers in the cluster
 */
private[kafka] class Cluster {
  
  private val brokers = new mutable.HashMap[Int, Broker]
  
  def this(brokerList: Iterable[Broker]) {
    this()
	  for(broker <- brokerList)
      brokers.put(broker.id, broker)
  }

  def getBroker(id: Int): Option[Broker] = brokers.get(id)
  
  def add(broker: Broker) = brokers.put(broker.id, broker)
  
  def remove(id: Int) = brokers.remove(id)
  
  def size = brokers.size
  
  override def toString: String =
    "Cluster(" + brokers.values.mkString(", ") + ")"  
}
