spark JobListener 源码
spark JobListener 代码
文件路径：/core/src/main/scala/org/apache/spark/scheduler/JobListener.scala
/*
* 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
/**
* Interface used to listen for job completion or failure events after submitting a job to the
* DAGScheduler. The listener is notified each time a task succeeds, as well as if the whole
* job fails (and no further taskSucceeded events will happen).
*/
private[spark] trait JobListener {
def taskSucceeded(index: Int, result: Any): Unit
def jobFailed(exception: Exception): Unit
}
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