kafka PayloadKeyType 源码
kafka PayloadKeyType 代码
文件路径：/trogdor/src/main/java/org/apache/kafka/trogdor/workload/PayloadKeyType.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.trogdor.workload;
/**
* Describes a key in producer payload
*/
public enum PayloadKeyType {
// null key
KEY_NULL(0),
// fixed size key containing a long integer representing a message index (i.e., position of
// the payload generator)
KEY_MESSAGE_INDEX(8);
private final int maxSizeInBytes;
PayloadKeyType(int maxSizeInBytes) {
this.maxSizeInBytes = maxSizeInBytes;
}
public int maxSizeInBytes() {
return maxSizeInBytes;
}
}
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