org.apache.spark.sql.execution.ui.SQLTab.scala Maven / Gradle / Ivy
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* 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
*
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package org.apache.spark.sql.execution.ui
import java.util.concurrent.atomic.AtomicInteger
import org.apache.spark.Logging
import org.apache.spark.ui.{SparkUI, SparkUITab}
private[sql] class SQLTab(val listener: SQLListener, sparkUI: SparkUI)
extends SparkUITab(sparkUI, SQLTab.nextTabName) with Logging {
val parent = sparkUI
attachPage(new AllExecutionsPage(this))
attachPage(new ExecutionPage(this))
parent.attachTab(this)
parent.addStaticHandler(SQLTab.STATIC_RESOURCE_DIR, "/static/sql")
}
private[sql] object SQLTab {
private val STATIC_RESOURCE_DIR = "org/apache/spark/sql/execution/ui/static"
private val nextTabId = new AtomicInteger(0)
private def nextTabName: String = {
val nextId = nextTabId.getAndIncrement()
if (nextId == 0) "SQL" else s"SQL$nextId"
}
}
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