kafka StreamsException 源码
kafka StreamsException 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/errors/StreamsException.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.streams.errors;
import org.apache.kafka.common.KafkaException;
import org.apache.kafka.streams.processor.TaskId;
import java.util.Optional;
/**
* {@link StreamsException} is the top-level exception type generated by Kafka Streams, and indicates errors have
* occurred during a {@link org.apache.kafka.streams.processor.internals.StreamThread StreamThread's} processing. It
* is guaranteed that any exception thrown up to the {@link StreamsUncaughtExceptionHandler} will be of the type
* {@code StreamsException}. For example, any user exceptions will be wrapped as a {@code StreamsException}.
*/
public class StreamsException extends KafkaException {
private final static long serialVersionUID = 1L;
private TaskId taskId;
public StreamsException(final String message) {
this(message, (TaskId) null);
}
public StreamsException(final String message, final TaskId taskId) {
super(message);
this.taskId = taskId;
}
public StreamsException(final String message, final Throwable throwable) {
this(message, throwable, null);
}
public StreamsException(final String message, final Throwable throwable, final TaskId taskId) {
super(message, throwable);
this.taskId = taskId;
}
public StreamsException(final Throwable throwable) {
this(throwable, null);
}
public StreamsException(final Throwable throwable, final TaskId taskId) {
super(throwable);
this.taskId = taskId;
}
/**
* @return the {@link TaskId} that this exception originated from, or {@link Optional#empty()} if the exception
* cannot be traced back to a particular task. Note that the {@code TaskId} being empty does not
* guarantee that the exception wasn't directly related to a specific task.
*/
public Optional<TaskId> taskId() {
return Optional.ofNullable(taskId);
}
public void setTaskId(final TaskId taskId) {
this.taskId = taskId;
}
}
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