| /**************************************************************** |
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| * 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.james.webadmin.service; |
| |
| import java.time.Clock; |
| import java.util.Optional; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.james.mailbox.events.EventDeadLetters; |
| import org.apache.james.mailbox.events.Group; |
| import org.apache.james.task.Task; |
| import org.apache.james.task.TaskExecutionDetails; |
| import org.apache.james.task.TaskType; |
| |
| public class EventDeadLettersRedeliverOneTask implements Task { |
| public static final TaskType TYPE = TaskType.of("eventDeadLettersRedeliverOneTask"); |
| |
| private final EventDeadLettersRedeliverService service; |
| private final EventRetriever eventRetriever; |
| private final AtomicLong successfulRedeliveriesCount; |
| private final AtomicLong failedRedeliveriesCount; |
| private final Group group; |
| private final EventDeadLetters.InsertionId insertionId; |
| |
| EventDeadLettersRedeliverOneTask(EventDeadLettersRedeliverService service, Group group, EventDeadLetters.InsertionId insertionId) { |
| this.service = service; |
| this.group = group; |
| this.insertionId = insertionId; |
| this.eventRetriever = EventRetriever.singleEvent(group, insertionId); |
| this.successfulRedeliveriesCount = new AtomicLong(0L); |
| this.failedRedeliveriesCount = new AtomicLong(0L); |
| } |
| |
| @Override |
| public Result run() { |
| return service.redeliverEvents(eventRetriever) |
| .map(this::updateCounters) |
| .reduce(Result.COMPLETED, Task::combine) |
| .block(); |
| } |
| |
| private Result updateCounters(Result result) { |
| switch (result) { |
| case COMPLETED: |
| successfulRedeliveriesCount.incrementAndGet(); |
| break; |
| case PARTIAL: |
| failedRedeliveriesCount.incrementAndGet(); |
| break; |
| default: |
| throw new RuntimeException("Result case: " + result.toString() + " not recognized"); |
| } |
| return result; |
| } |
| |
| @Override |
| public TaskType type() { |
| return TYPE; |
| } |
| |
| @Override |
| public Optional<TaskExecutionDetails.AdditionalInformation> details() { |
| return Optional.of(createAdditionalInformation()); |
| } |
| |
| public EventRetriever getEventRetriever() { |
| return eventRetriever; |
| } |
| |
| public Group getGroup() { |
| return group; |
| } |
| |
| public EventDeadLetters.InsertionId getInsertionId() { |
| return insertionId; |
| } |
| |
| EventDeadLettersRedeliveryTaskAdditionalInformation createAdditionalInformation() { |
| return new EventDeadLettersRedeliveryTaskAdditionalInformationDTO.EventDeadLettersRedeliveryTaskAdditionalInformationForOne( |
| successfulRedeliveriesCount.get(), |
| failedRedeliveriesCount.get(), |
| eventRetriever.forGroup(), |
| eventRetriever.forEvent(), |
| Clock.systemUTC().instant()); |
| } |
| } |