spring BackOffExecution 源码
spring BackOffExecution 代码
文件路径：/spring-core/src/main/java/org/springframework/util/backoff/BackOffExecution.java
/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed 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
*
* https://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.springframework.util.backoff;
/**
* Represent a particular back-off execution.
*
* <p>Implementations do not need to be thread safe.
*
* @author Stephane Nicoll
* @since 4.1
* @see BackOff
*/
@FunctionalInterface
public interface BackOffExecution {
/**
* Return value of {@link #nextBackOff()} that indicates that the operation
* should not be retried.
*/
long STOP = -1;
/**
* Return the number of milliseconds to wait before retrying the operation
* or {@link #STOP} ({@value #STOP}) to indicate that no further attempt
* should be made for the operation.
*/
long nextBackOff();
}
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