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/*
* 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 spark.scheduler.cluster
import spark.TaskState.TaskState
import java.nio.ByteBuffer
import spark.util.SerializableBuffer
import spark.Utils
private[spark] sealed trait StandaloneClusterMessage extends Serializable
// Driver to executors
private[spark]
case class LaunchTask(task: TaskDescription) extends StandaloneClusterMessage
private[spark]
case class RegisteredExecutor(sparkProperties: Seq[(String, String)])
extends StandaloneClusterMessage
private[spark]
case class RegisterExecutorFailed(message: String) extends StandaloneClusterMessage
// Executors to driver
private[spark]
case class RegisterExecutor(executorId: String, hostPort: String, cores: Int)
extends StandaloneClusterMessage {
Utils.checkHostPort(hostPort, "Expected host port")
}
private[spark]
case class StatusUpdate(executorId: String, taskId: Long, state: TaskState, data: SerializableBuffer)
extends StandaloneClusterMessage
private[spark]
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
private[spark] case object ReviveOffers extends StandaloneClusterMessage
private[spark] case object StopDriver extends StandaloneClusterMessage
private[spark] case class RemoveExecutor(executorId: String, reason: String)
extends StandaloneClusterMessage
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