| /* |
| * 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.reef.driver.context; |
| |
| import org.apache.reef.annotations.Provided; |
| import org.apache.reef.annotations.audience.DriverSide; |
| import org.apache.reef.annotations.audience.Public; |
| import org.apache.reef.common.Failure; |
| import org.apache.reef.util.Optional; |
| |
| /** |
| * Represents Context that failed. |
| * A typical case would be that its ContextStartHandler threw an exception. |
| * <p> |
| * The underlying Evaluator is still accessible and a new context can be established. Note that REEF can't guarantee |
| * consistency of the Evaluator for all applications. It is up to the application to decide whether it is safe to keep |
| * using the Evaluator. |
| */ |
| @Public |
| @Provided |
| @DriverSide |
| public interface FailedContext extends Failure, ContextBase { |
| |
| /** |
| * @return the new top of the stack of context if there is one. |
| */ |
| Optional<ActiveContext> getParentContext(); |
| } |