| /* |
| * 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.ignite.internal.storage; |
| |
| import static java.util.concurrent.CompletableFuture.failedFuture; |
| import static org.apache.ignite.internal.util.CompletableFutures.nullCompletedFuture; |
| import static org.apache.ignite.internal.util.IgniteUtils.closeAll; |
| |
| import java.util.Map; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.stream.Collectors; |
| import org.apache.ignite.internal.manager.IgniteComponent; |
| import org.apache.ignite.internal.storage.configurations.StorageConfiguration; |
| import org.apache.ignite.internal.storage.configurations.StorageProfileConfiguration; |
| import org.apache.ignite.internal.storage.configurations.StorageProfileView; |
| import org.apache.ignite.internal.storage.engine.StorageEngine; |
| import org.apache.ignite.internal.tostring.S; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** Data storage manager. */ |
| public class DataStorageManager implements IgniteComponent { |
| /** Mapping: {@link DataStorageModule#name} -> {@link StorageEngine}. */ |
| private final Map<String, StorageEngine> engines; |
| |
| /** Mapping: {@link StorageProfileConfiguration#name()} -> {@link StorageEngine#name()}. */ |
| private Map<String, String> profilesToEngines; |
| |
| /** Storage configuration. **/ |
| private StorageConfiguration storageConfiguration; |
| |
| /** |
| * Constructor. |
| * |
| * @param engines Storage engines unique by {@link DataStorageModule#name name}. |
| * @param storageConfiguration Storage configuration. Needed to extract the storage profiles configurations after start. |
| */ |
| public DataStorageManager(Map<String, StorageEngine> engines, StorageConfiguration storageConfiguration) { |
| assert !engines.isEmpty(); |
| |
| this.engines = engines; |
| this.storageConfiguration = storageConfiguration; |
| } |
| |
| @Override |
| public CompletableFuture<Void> startAsync() throws StorageException { |
| engines.values().forEach(StorageEngine::start); |
| |
| profilesToEngines = storageConfiguration.value().profiles().stream() |
| .collect(Collectors.toMap(StorageProfileView::name, StorageProfileView::engine)); |
| |
| return nullCompletedFuture(); |
| } |
| |
| @Override |
| public CompletableFuture<Void> stopAsync() { |
| try { |
| closeAll(engines.values().stream().map(engine -> engine::stop)); |
| } catch (Exception e) { |
| return failedFuture(e); |
| } |
| |
| return nullCompletedFuture(); |
| } |
| |
| /** |
| * Get storage engine by storage profile name. |
| * |
| * @param storageProfile Name of storage profile. |
| * @return Storage engine of the input storage profile or {@code null} if storage profile is not exist on the current node. |
| */ |
| public @Nullable StorageEngine engineByStorageProfile(String storageProfile) { |
| String engine = profilesToEngines.get(storageProfile); |
| |
| assert engine != null : "Unknown storage profile '" + storageProfile + "'"; |
| |
| return engines.get(engine); |
| } |
| |
| @Override |
| public String toString() { |
| return S.toString(DataStorageManager.class, this); |
| } |
| } |