tkalkirill commented on code in PR #1666: URL: https://github.com/apache/ignite-3/pull/1666#discussion_r1115462181
########## modules/storage-api/src/main/java/org/apache/ignite/internal/storage/util/MvPartitionStorages.java: ########## @@ -0,0 +1,495 @@ +/* + * 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.util; + +import static java.util.concurrent.CompletableFuture.completedFuture; +import static java.util.function.Function.identity; +import static java.util.stream.Collectors.toList; + +import java.util.ArrayList; +import java.util.List; +import java.util.Objects; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.atomic.AtomicReferenceArray; +import java.util.function.Function; +import java.util.function.IntFunction; +import java.util.stream.IntStream; +import org.apache.ignite.internal.schema.configuration.TableView; +import org.apache.ignite.internal.storage.MvPartitionStorage; +import org.apache.ignite.internal.storage.StorageException; +import org.apache.ignite.internal.storage.StorageRebalanceException; +import org.apache.ignite.internal.storage.util.StorageOperation.AbortRebalanceStorageOperation; +import org.apache.ignite.internal.storage.util.StorageOperation.CleanupStorageOperation; +import org.apache.ignite.internal.storage.util.StorageOperation.CreateStorageOperation; +import org.apache.ignite.internal.storage.util.StorageOperation.DestroyStorageOperation; +import org.apache.ignite.internal.storage.util.StorageOperation.FinishRebalanceStorageOperation; +import org.apache.ignite.internal.storage.util.StorageOperation.StartRebalanceStorageOperation; +import org.apache.ignite.lang.IgniteStringFormatter; +import org.jetbrains.annotations.Nullable; + +/** + * Class for storing stores and performing operations on them. + */ +public class MvPartitionStorages<T extends MvPartitionStorage> { + private final TableView tableView; + + private final AtomicReferenceArray<T> storageByPartitionId; + + private final ConcurrentMap<Integer, StorageOperation> operationByPartitionId = new ConcurrentHashMap<>(); + + private final ConcurrentMap<Integer, CompletableFuture<Void>> rebalaceFutureByPartitionId = new ConcurrentHashMap<>(); + + /** + * Constructor. + * + * @param tableView Table configuration. + */ + public MvPartitionStorages(TableView tableView) { + this.tableView = tableView; + + storageByPartitionId = new AtomicReferenceArray<>(tableView.partitions()); + } + + /** + * Returns the multi-versioned partition storage, {@code null} if the storage does not exist (not created or destroyed). + * + * @throws IllegalArgumentException If partition ID is out of configured bounds. + */ + public @Nullable T get(int partitionId) { + checkPartitionId(partitionId); Review Comment: This is what happens, for example they call `org.apache.ignite.internal.storage.util.MvPartitionStorages#checkStorageExists` which calls this method. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
