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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.scheduler
/**
* A simple listener for application events.
*
* This listener expects to hear events from a single application only. If events
* from multiple applications are seen, the behavior is unspecified.
*/
private[spark] class ApplicationEventListener extends SparkListener {
var appName = "<Not Started>"
var sparkUser = "<Not Started>"
var startTime = -1L
var endTime = -1L
var viewAcls = ""
var adminAcls = ""
def applicationStarted = startTime != -1
def applicationCompleted = endTime != -1
def applicationDuration: Long = {
val difference = endTime - startTime
if (applicationStarted && applicationCompleted && difference > 0) difference else -1L
}
override def onApplicationStart(applicationStart: SparkListenerApplicationStart) {
appName = applicationStart.appName
startTime = applicationStart.time
sparkUser = applicationStart.sparkUser
}
override def onApplicationEnd(applicationEnd: SparkListenerApplicationEnd) {
endTime = applicationEnd.time
}
override def onEnvironmentUpdate(environmentUpdate: SparkListenerEnvironmentUpdate) {
synchronized {
val environmentDetails = environmentUpdate.environmentDetails
val allProperties = environmentDetails("Spark Properties").toMap
viewAcls = allProperties.getOrElse("spark.ui.view.acls", "")
adminAcls = allProperties.getOrElse("spark.admin.acls", "")
}
}
}
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