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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 org.apache.spark.deploy.master
import java.util.Date
import scala.collection.mutable
import scala.collection.mutable.ArrayBuffer
import akka.actor.ActorRef
import org.apache.spark.annotation.DeveloperApi
import org.apache.spark.deploy.ApplicationDescription
import org.apache.spark.util.Utils
private[deploy] class ApplicationInfo(
val startTime: Long,
val id: String,
val desc: ApplicationDescription,
val submitDate: Date,
val driver: ActorRef,
defaultCores: Int)
extends Serializable {
@transient var state: ApplicationState.Value = _
@transient var executors: mutable.HashMap[Int, ExecutorDesc] = _
@transient var removedExecutors: ArrayBuffer[ExecutorDesc] = _
@transient var coresGranted: Int = _
@transient var endTime: Long = _
@transient var appSource: ApplicationSource = _
@transient private var nextExecutorId: Int = _
init()
private def readObject(in: java.io.ObjectInputStream): Unit = Utils.tryOrIOException {
in.defaultReadObject()
init()
}
private def init() {
state = ApplicationState.WAITING
executors = new mutable.HashMap[Int, ExecutorDesc]
coresGranted = 0
endTime = -1L
appSource = new ApplicationSource(this)
nextExecutorId = 0
removedExecutors = new ArrayBuffer[ExecutorDesc]
}
private def newExecutorId(useID: Option[Int] = None): Int = {
useID match {
case Some(id) =>
nextExecutorId = math.max(nextExecutorId, id + 1)
id
case None =>
val id = nextExecutorId
nextExecutorId += 1
id
}
}
private[master] def addExecutor(worker: WorkerInfo, cores: Int, useID: Option[Int] = None):
ExecutorDesc = {
val exec = new ExecutorDesc(newExecutorId(useID), this, worker, cores, desc.memoryPerSlave)
executors(exec.id) = exec
coresGranted += cores
exec
}
private[master] def removeExecutor(exec: ExecutorDesc) {
if (executors.contains(exec.id)) {
removedExecutors += executors(exec.id)
executors -= exec.id
coresGranted -= exec.cores
}
}
private val requestedCores = desc.maxCores.getOrElse(defaultCores)
private[master] def coresLeft: Int = requestedCores - coresGranted
private var _retryCount = 0
private[master] def retryCount = _retryCount
private[master] def incrementRetryCount() = {
_retryCount += 1
_retryCount
}
private[master] def resetRetryCount() = _retryCount = 0
private[master] def markFinished(endState: ApplicationState.Value) {
state = endState
endTime = System.currentTimeMillis()
}
def duration: Long = {
if (endTime != -1) {
endTime - startTime
} else {
System.currentTimeMillis() - startTime
}
}
}
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