spring-data-elasticsearch ExceptionUtils 源码
spring-data-elasticsearch ExceptionUtils 代码
文件路径：/src/main/java/org/springframework/data/elasticsearch/support/ExceptionUtils.java
/*
* Copyright 2021-2022 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.elasticsearch.support;
import java.net.ConnectException;
/**
* @author Peter-Josef Meisch
* @since 4.4
*/
public final class ExceptionUtils {
private ExceptionUtils() {}
/**
* checks if the given throwable is a {@link ConnectException} or has one in its cause chain
*
* @param throwable the throwable to check
* @return true if throwable is caused by a {@link ConnectException}
*/
public static boolean isCausedByConnectionException(Throwable throwable) {
Throwable t = throwable;
do {
if (t instanceof ConnectException) {
return true;
}
t = t.getCause();
} while (t != null);
return false;
}
}
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