kafka InterfaceStability 源码
kafka InterfaceStability 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/annotation/InterfaceStability.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.common.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Annotation to inform users of how much to rely on a particular package, class or method not changing over time.
* Currently the stability can be {@link Stable}, {@link Evolving} or {@link Unstable}.
*/
@InterfaceStability.Evolving
public class InterfaceStability {
/**
* Compatibility is maintained in major, minor and patch releases with one exception: compatibility may be broken
* in a major release (i.e. 0.m) for APIs that have been deprecated for at least one major/minor release cycle.
* In cases where the impact of breaking compatibility is significant, there is also a minimum deprecation period
* of one year.
*
* This is the default stability level for public APIs that are not annotated.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
public @interface Stable { }
/**
* Compatibility may be broken at minor release (i.e. m.x).
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
public @interface Evolving { }
/**
* No guarantee is provided as to reliability or stability across any level of release granularity.
*/
@Documented
@Retention(RetentionPolicy.RUNTIME)
public @interface Unstable { }
}
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