| /* |
| * 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.processors.cache.persistence.checkpoint; |
| |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.RejectedExecutionException; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.processors.cache.persistence.partstate.PartitionAllocationMap; |
| import org.apache.ignite.internal.util.future.GridCompoundFuture; |
| import org.apache.ignite.internal.util.future.GridFutureAdapter; |
| import org.apache.ignite.internal.util.typedef.internal.CU; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.internal.util.worker.WorkProgressDispatcher; |
| import org.apache.ignite.thread.IgniteThreadPoolExecutor; |
| import org.jetbrains.annotations.Nullable; |
| |
| import static org.apache.ignite.internal.processors.cache.persistence.CheckpointState.FINISHED; |
| |
| /** |
| * Context with information about current checkpoint. |
| */ |
| public class CheckpointContextImpl implements CheckpointListener.Context { |
| /** Current checkpoint progress. */ |
| private final CheckpointProgressImpl curr; |
| |
| /** Partition map. */ |
| private final PartitionAllocationMap map; |
| |
| /** Checkpoint runner thread pool. If null tasks are to be run in single thread */ |
| @Nullable private final IgniteThreadPoolExecutor asyncRunner; |
| |
| /** Heartbeat updater. */ |
| private final WorkProgressDispatcher heartbeatUpdater; |
| |
| /** Pending tasks from executor. */ |
| private GridCompoundFuture pendingTaskFuture; |
| |
| /** |
| * @param curr Current checkpoint progress. |
| * @param map Partition map. |
| * @param asyncRunner Checkpoint runner thread pool. |
| * @param heartbeat Heartbeat updater. |
| */ |
| CheckpointContextImpl( |
| CheckpointProgressImpl curr, |
| PartitionAllocationMap map, |
| @Nullable IgniteThreadPoolExecutor asyncRunner, |
| WorkProgressDispatcher heartbeat |
| ) { |
| this.curr = curr; |
| this.map = map; |
| this.asyncRunner = asyncRunner; |
| this.heartbeatUpdater = heartbeat; |
| this.pendingTaskFuture = this.asyncRunner == null ? null : new GridCompoundFuture(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public CheckpointProgress progress() { |
| return curr; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean nextSnapshot() { |
| return curr.nextSnapshot(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public IgniteInternalFuture<?> finishedStateFut() { |
| return curr.futureFor(FINISHED); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public PartitionAllocationMap partitionStatMap() { |
| return map; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean needToSnapshot(String cacheOrGrpName) { |
| return curr.snapshotOperation().cacheGroupIds().contains(CU.cacheId(cacheOrGrpName)); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Executor executor() { |
| return asyncRunner == null ? null : cmd -> { |
| try { |
| GridFutureAdapter<?> res = new GridFutureAdapter<>(); |
| |
| res.listen(fut -> heartbeatUpdater.updateHeartbeat()); |
| |
| asyncRunner.execute(U.wrapIgniteFuture(cmd, res)); |
| |
| pendingTaskFuture.add(res); |
| } |
| catch (RejectedExecutionException e) { |
| assert false : "A task should never be rejected by async runner"; |
| } |
| }; |
| } |
| |
| /** |
| * Await all async tasks from executor was finished. |
| * |
| * @throws IgniteCheckedException if fail. |
| */ |
| public void awaitPendingTasksFinished() throws IgniteCheckedException { |
| GridCompoundFuture pendingFut = this.pendingTaskFuture; |
| |
| this.pendingTaskFuture = new GridCompoundFuture(); |
| |
| if (pendingFut != null) { |
| pendingFut.markInitialized(); |
| |
| pendingFut.get(); |
| } |
| } |
| } |