org.apache.spark.sql.hive.thriftserver.ui.ThriftServerTab.scala Maven / Gradle / Ivy
/*
* 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.sql.hive.thriftserver.ui
import org.apache.spark.{SparkContext, SparkException}
import org.apache.spark.internal.Logging
import org.apache.spark.sql.hive.thriftserver.HiveThriftServer2
import org.apache.spark.sql.hive.thriftserver.ui.ThriftServerTab._
import org.apache.spark.ui.{SparkUI, SparkUITab}
/**
* Spark Web UI tab that shows statistics of jobs running in the thrift server.
* This assumes the given SparkContext has enabled its SparkUI.
*/
private[thriftserver] class ThriftServerTab(sparkContext: SparkContext)
extends SparkUITab(getSparkUI(sparkContext), "sqlserver") with Logging {
override val name = "JDBC/ODBC Server"
val parent = getSparkUI(sparkContext)
val listener = HiveThriftServer2.listener
attachPage(new ThriftServerPage(this))
attachPage(new ThriftServerSessionPage(this))
parent.attachTab(this)
def detach() {
getSparkUI(sparkContext).detachTab(this)
}
}
private[thriftserver] object ThriftServerTab {
def getSparkUI(sparkContext: SparkContext): SparkUI = {
sparkContext.ui.getOrElse {
throw new SparkException("Parent SparkUI to attach this tab to not found!")
}
}
}