| /* |
| * 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.driver.evaluator.EvaluatorDescriptor; |
| import org.apache.reef.io.naming.Identifiable; |
| import org.apache.reef.util.Optional; |
| |
| /** |
| * A common base interface for all Driver-side representations of Contexts. |
| */ |
| @Public |
| @DriverSide |
| @Provided |
| public interface ContextBase extends Identifiable { |
| |
| /** |
| * @return the ID of the Context. |
| */ |
| @Override |
| String getId(); |
| |
| /** |
| * @return the identifier of the Evaluator this Context is instantiated on. |
| */ |
| String getEvaluatorId(); |
| |
| /** |
| * @return the ID of the parent context, if there is one. |
| */ |
| Optional<String> getParentId(); |
| |
| /** |
| * @return the descriptor of the Evaluator this Context is on. |
| */ |
| EvaluatorDescriptor getEvaluatorDescriptor(); |
| } |