spring-retry BinaryExceptionClassifierRetryPolicy 源码
spring-retry BinaryExceptionClassifierRetryPolicy 代码
文件路径：/src/main/java/org/springframework/retry/policy/BinaryExceptionClassifierRetryPolicy.java
/*
* Copyright 2006-2019 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.retry.policy;
import org.springframework.classify.BinaryExceptionClassifier;
import org.springframework.retry.RetryContext;
import org.springframework.retry.RetryPolicy;
import org.springframework.retry.context.RetryContextSupport;
/**
* A policy, that is based on {@link BinaryExceptionClassifier}. Usually, binary
* classification is enough for retry purposes. If you need more flexible classification,
* use {@link ExceptionClassifierRetryPolicy}.
*
* @author Aleksandr Shamukov
*/
@SuppressWarnings("serial")
public class BinaryExceptionClassifierRetryPolicy implements RetryPolicy {
private final BinaryExceptionClassifier exceptionClassifier;
public BinaryExceptionClassifierRetryPolicy(BinaryExceptionClassifier exceptionClassifier) {
this.exceptionClassifier = exceptionClassifier;
}
public BinaryExceptionClassifier getExceptionClassifier() {
return exceptionClassifier;
}
@Override
public boolean canRetry(RetryContext context) {
Throwable t = context.getLastThrowable();
return t == null || exceptionClassifier.classify(t);
}
@Override
public void close(RetryContext status) {
}
@Override
public void registerThrowable(RetryContext context, Throwable throwable) {
RetryContextSupport simpleContext = ((RetryContextSupport) context);
simpleContext.registerThrowable(throwable);
}
@Override
public RetryContext open(RetryContext parent) {
return new RetryContextSupport(parent);
}
}
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