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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.ui.jobs
import java.text.SimpleDateFormat
import javax.servlet.http.HttpServletRequest
import scala.Seq
import org.eclipse.jetty.server.Handler
import org.eclipse.jetty.servlet.ServletContextHandler
import org.apache.spark.SparkContext
import org.apache.spark.ui.JettyUtils._
import org.apache.spark.util.Utils
/** Web UI showing progress status of all jobs in the given SparkContext. */
private[spark] class JobProgressUI(val sc: SparkContext) {
private var _listener: Option[JobProgressListener] = None
def listener = _listener.get
val dateFmt = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss")
private val indexPage = new IndexPage(this)
private val stagePage = new StagePage(this)
private val poolPage = new PoolPage(this)
def start() {
_listener = Some(new JobProgressListener(sc))
sc.addSparkListener(listener)
}
def formatDuration(ms: Long) = Utils.msDurationToString(ms)
def getHandlers = Seq[ServletContextHandler](
createServletHandler("/stages/stage",
createServlet((request: HttpServletRequest) => stagePage.render(request),
sc.env.securityManager)),
createServletHandler("/stages/pool",
createServlet((request: HttpServletRequest) => poolPage.render(request),
sc.env.securityManager)),
createServletHandler("/stages",
createServlet((request: HttpServletRequest) => indexPage.render(request),
sc.env.securityManager))
)
}
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