Andrii Shvaika
7 years ago
9 changed files with 124 additions and 50 deletions
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.queue; |
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import lombok.extern.slf4j.Slf4j; |
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import java.util.UUID; |
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import java.util.concurrent.ConcurrentMap; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
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@Slf4j |
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public class TbPackProcessingContext<T> { |
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private final AtomicInteger pendingCount; |
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private final CountDownLatch processingTimeoutLatch; |
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private final ConcurrentMap<UUID, T> ackMap; |
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private final ConcurrentMap<UUID, T> failedMap; |
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public TbPackProcessingContext(CountDownLatch processingTimeoutLatch, |
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ConcurrentMap<UUID, T> ackMap, |
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ConcurrentMap<UUID, T> failedMap) { |
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this.processingTimeoutLatch = processingTimeoutLatch; |
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this.pendingCount = new AtomicInteger(ackMap.size()); |
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this.ackMap = ackMap; |
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this.failedMap = failedMap; |
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} |
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public boolean await(long packProcessingTimeout, TimeUnit milliseconds) throws InterruptedException { |
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return processingTimeoutLatch.await(packProcessingTimeout, milliseconds); |
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} |
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public void onSuccess(UUID id) { |
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boolean empty = false; |
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T msg = ackMap.remove(id); |
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if (msg != null) { |
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empty = pendingCount.decrementAndGet() == 0; |
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} |
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if (empty) { |
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processingTimeoutLatch.countDown(); |
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} else { |
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if (log.isTraceEnabled()) { |
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log.trace("Items left: {}", ackMap.size()); |
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for (T t : ackMap.values()) { |
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log.trace("left item: {}", t); |
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} |
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} |
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} |
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} |
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public void onFailure(UUID id, Throwable t) { |
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boolean empty = false; |
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T msg = ackMap.remove(id); |
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if (msg != null) { |
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empty = pendingCount.decrementAndGet() == 0; |
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failedMap.put(id, msg); |
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if (log.isTraceEnabled()) { |
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log.trace("Items left: {}", ackMap.size()); |
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for (T v : ackMap.values()) { |
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log.trace("left item: {}", v); |
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} |
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} |
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} |
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if (empty) { |
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processingTimeoutLatch.countDown(); |
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} |
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} |
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public ConcurrentMap<UUID, T> getAckMap() { |
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return ackMap; |
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} |
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public ConcurrentMap<UUID, T> getFailedMap() { |
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return failedMap; |
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} |
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} |
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