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RetryableException.java
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61 lines (53 loc) · 2.11 KB
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/**
* Copyright 2012-2019 The Feign 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
*
* 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 feign;
import feign.Request.HttpMethod;
import java.util.Date;
/**
* This exception is raised when the {@link Response} is deemed to be retryable, typically via an
* {@link feign.codec.ErrorDecoder} when the {@link Response#status() status} is 503.
*/
public class RetryableException extends FeignException {
private static final long serialVersionUID = 1L;
private final Long retryAfter;
private final HttpMethod httpMethod;
/**
* @param retryAfter usually corresponds to the {@link feign.Util#RETRY_AFTER} header.
*/
public RetryableException(int status, String message, HttpMethod httpMethod, Throwable cause,
Date retryAfter, Request request) {
super(status, message, request, cause);
this.httpMethod = httpMethod;
this.retryAfter = retryAfter != null ? retryAfter.getTime() : null;
}
/**
* @param retryAfter usually corresponds to the {@link feign.Util#RETRY_AFTER} header.
*/
public RetryableException(int status, String message, HttpMethod httpMethod, Date retryAfter,
Request request) {
super(status, message, request);
this.httpMethod = httpMethod;
this.retryAfter = retryAfter != null ? retryAfter.getTime() : null;
}
/**
* Sometimes corresponds to the {@link feign.Util#RETRY_AFTER} header present in {@code 503}
* status. Other times parsed from an application-specific response. Null if unknown.
*/
public Date retryAfter() {
return retryAfter != null ? new Date(retryAfter) : null;
}
public HttpMethod method() {
return this.httpMethod;
}
}