kafka DeleteConsumerGroupOffsetsResult 源码
kafka DeleteConsumerGroupOffsetsResult 代码
文件路径:/clients/src/main/java/org/apache/kafka/clients/admin/DeleteConsumerGroupOffsetsResult.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.admin;
import java.util.Set;
import org.apache.kafka.common.KafkaFuture;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.annotation.InterfaceStability;
import java.util.Map;
import org.apache.kafka.common.internals.KafkaFutureImpl;
import org.apache.kafka.common.protocol.Errors;
/**
* The result of the {@link Admin#deleteConsumerGroupOffsets(String, Set)} call.
*
* The API of this class is evolving, see {@link Admin} for details.
*/
@InterfaceStability.Evolving
public class DeleteConsumerGroupOffsetsResult {
private final KafkaFuture<Map<TopicPartition, Errors>> future;
private final Set<TopicPartition> partitions;
DeleteConsumerGroupOffsetsResult(KafkaFuture<Map<TopicPartition, Errors>> future, Set<TopicPartition> partitions) {
this.future = future;
this.partitions = partitions;
}
/**
* Return a future which can be used to check the result for a given partition.
*/
public KafkaFuture<Void> partitionResult(final TopicPartition partition) {
if (!partitions.contains(partition)) {
throw new IllegalArgumentException("Partition " + partition + " was not included in the original request");
}
final KafkaFutureImpl<Void> result = new KafkaFutureImpl<>();
this.future.whenComplete((topicPartitions, throwable) -> {
if (throwable != null) {
result.completeExceptionally(throwable);
} else if (!maybeCompleteExceptionally(topicPartitions, partition, result)) {
result.complete(null);
}
});
return result;
}
/**
* Return a future which succeeds only if all the deletions succeed.
* If not, the first partition error shall be returned.
*/
public KafkaFuture<Void> all() {
final KafkaFutureImpl<Void> result = new KafkaFutureImpl<>();
this.future.whenComplete((topicPartitions, throwable) -> {
if (throwable != null) {
result.completeExceptionally(throwable);
} else {
for (TopicPartition partition : partitions) {
if (maybeCompleteExceptionally(topicPartitions, partition, result)) {
return;
}
}
result.complete(null);
}
});
return result;
}
private boolean maybeCompleteExceptionally(Map<TopicPartition, Errors> partitionLevelErrors,
TopicPartition partition,
KafkaFutureImpl<Void> result) {
Throwable exception = KafkaAdminClient.getSubLevelError(partitionLevelErrors, partition,
"Offset deletion result for partition \"" + partition + "\" was not included in the response");
if (exception != null) {
result.completeExceptionally(exception);
return true;
} else {
return false;
}
}
}
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