spring-data-redis FallbackExceptionTranslationStrategy 源码
spring-data-redis FallbackExceptionTranslationStrategy 代码
文件路径：/src/main/java/org/springframework/data/redis/FallbackExceptionTranslationStrategy.java
/*
* Copyright 2014-2022 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.data.redis;
import org.springframework.core.convert.converter.Converter;
import org.springframework.dao.DataAccessException;
/**
* {@link FallbackExceptionTranslationStrategy} returns {@link RedisSystemException} for unknown {@link Exception}s.
*
* @author Christoph Strobl
* @author Thomas Darimont
* @author Mark Paluch
* @since 1.4
*/
public class FallbackExceptionTranslationStrategy extends PassThroughExceptionTranslationStrategy {
public FallbackExceptionTranslationStrategy(Converter<Exception, DataAccessException> converter) {
super(converter);
}
@Override
public DataAccessException translate(Exception e) {
DataAccessException translated = super.translate(e);
return translated != null ? translated : getFallback(e);
}
/**
* Returns a new {@link RedisSystemException} wrapping the given {@link Exception}.
*
* @param e causing exception.
* @return the fallback exception.
*/
protected RedisSystemException getFallback(Exception e) {
return new RedisSystemException("Unknown redis exception", e);
}
}
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