| /* |
| * 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.status |
| |
| import org.apache.spark.SparkConf |
| import org.apache.spark.scheduler.SparkListener |
| import org.apache.spark.ui.SparkUI |
| |
| /** |
| * An interface for creating history listeners(to replay event logs) defined in other modules like |
| * SQL, and setup the UI of the plugin to rebuild the history UI. |
| */ |
| private[spark] trait AppHistoryServerPlugin { |
| /** |
| * Creates listeners to replay the event logs. |
| */ |
| def createListeners(conf: SparkConf, store: ElementTrackingStore): Seq[SparkListener] |
| |
| /** |
| * Sets up UI of this plugin to rebuild the history UI. |
| */ |
| def setupUI(ui: SparkUI): Unit |
| } |