org.apache.spark.scheduler.cluster.CoarseGrainedClusterMessage.scala Maven / Gradle / Ivy
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* contributor license agreements. See the NOTICE file distributed with
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* 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
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package org.apache.spark.scheduler.cluster
import java.nio.ByteBuffer
import org.apache.spark.TaskState.TaskState
import org.apache.spark.scheduler.TaskDescription
import org.apache.spark.util.{Utils, SerializableBuffer}
private[spark] sealed trait CoarseGrainedClusterMessage extends Serializable
private[spark] object CoarseGrainedClusterMessages {
// Driver to executors
case class LaunchTask(task: TaskDescription) extends CoarseGrainedClusterMessage
case class KillTask(taskId: Long, executor: String) extends CoarseGrainedClusterMessage
case class RegisteredExecutor(sparkProperties: Seq[(String, String)])
extends CoarseGrainedClusterMessage
case class RegisterExecutorFailed(message: String) extends CoarseGrainedClusterMessage
// Executors to driver
case class RegisterExecutor(executorId: String, hostPort: String, cores: Int)
extends CoarseGrainedClusterMessage {
Utils.checkHostPort(hostPort, "Expected host port")
}
case class StatusUpdate(executorId: String, taskId: Long, state: TaskState,
data: SerializableBuffer) extends CoarseGrainedClusterMessage
object StatusUpdate {
/** Alternate factory method that takes a ByteBuffer directly for the data field */
def apply(executorId: String, taskId: Long, state: TaskState, data: ByteBuffer)
: StatusUpdate = {
StatusUpdate(executorId, taskId, state, new SerializableBuffer(data))
}
}
// Internal messages in driver
case object ReviveOffers extends CoarseGrainedClusterMessage
case object StopDriver extends CoarseGrainedClusterMessage
case object StopExecutor extends CoarseGrainedClusterMessage
case object StopExecutors extends CoarseGrainedClusterMessage
case class RemoveExecutor(executorId: String, reason: String) extends CoarseGrainedClusterMessage
}