| /* |
| * 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.io.checkpoint; |
| |
| import org.apache.reef.tang.annotations.Name; |
| import org.apache.reef.tang.annotations.NamedParameter; |
| import org.apache.reef.tang.annotations.Parameter; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * A naming service that simply returns the name it has been initialized with. |
| */ |
| public class SimpleNamingService implements CheckpointNamingService { |
| |
| private final String name; |
| |
| @Inject |
| public SimpleNamingService(@Parameter(CheckpointName.class) final String name) { |
| this.name = "checkpoint_" + name; |
| } |
| |
| /** |
| * Generate a new checkpoint Name. |
| * |
| * @return the checkpoint name |
| */ |
| @Override |
| public String getNewName() { |
| return this.name; |
| } |
| |
| /** |
| * Prefix for checkpoints. |
| */ |
| @NamedParameter(doc = "Checkpoint prefix.", short_name = "checkpoint_prefix", default_value = "reef") |
| public static final class CheckpointName implements Name<String> { |
| } |
| } |