| /* |
| * 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.drill.exec.store; |
| |
| import org.apache.drill.common.logical.StoragePluginConfig; |
| import org.apache.drill.exec.planner.logical.StoragePlugins; |
| import org.apache.drill.exec.store.sys.PersistentStore; |
| |
| |
| /** |
| * Storage plugins handler is an additional service for updating storage plugins configs from the file |
| */ |
| public interface StoragePluginsHandler { |
| |
| /** |
| * Update incoming storage plugins configs from persistence store if present, otherwise bootstrap plugins configs. |
| * |
| * @param persistentStore the last storage plugins configs from persistence store |
| * @param bootstrapPlugins bootstrap storage plugins, which are used in case of first Drill start up |
| * @return all storage plugins, which should be loaded into persistence store |
| */ |
| void loadPlugins(PersistentStore<StoragePluginConfig> persistentStore, StoragePlugins bootstrapPlugins); |
| |
| } |