kafka IncompleteBatches 源码
kafka IncompleteBatches 代码
文件路径：/clients/src/main/java/org/apache/kafka/clients/producer/internals/IncompleteBatches.java
/*
* 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.kafka.clients.producer.internals;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
/*
* A thread-safe helper class to hold batches that haven't been acknowledged yet (including those
* which have and have not been sent).
*/
class IncompleteBatches {
private final Set<ProducerBatch> incomplete;
public IncompleteBatches() {
this.incomplete = new HashSet<>();
}
public void add(ProducerBatch batch) {
synchronized (incomplete) {
this.incomplete.add(batch);
}
}
public void remove(ProducerBatch batch) {
synchronized (incomplete) {
boolean removed = this.incomplete.remove(batch);
if (!removed)
throw new IllegalStateException("Remove from the incomplete set failed. This should be impossible.");
}
}
public Iterable<ProducerBatch> copyAll() {
synchronized (incomplete) {
return new ArrayList<>(this.incomplete);
}
}
public Iterable<ProduceRequestResult> requestResults() {
synchronized (incomplete) {
return incomplete.stream().map(batch -> batch.produceFuture).collect(Collectors.toList());
}
}
public boolean isEmpty() {
synchronized (incomplete) {
return incomplete.isEmpty();
}
}
}
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