com.aliyuncs.kms.secretsmanager.client.utils.BackoffUtils Maven / Gradle / Ivy

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package com.aliyuncs.kms.secretsmanager.client.utils;

import com.aliyuncs.exceptions.ClientException;

public class BackoffUtils {

    /**
     * KMS限流返回错误码
     */
    private final static String REJECTED_THROTTLING = "Rejected.Throttling";
    /**
     * KMS服务不可用返回错误码
     */
    private final static String SERVICE_UNAVAILABLE_TEMPORARY = "ServiceUnavailableTemporary";
    /**
     * KMS服务内部错误返回错误码
     */
    private final static String INTERNAL_FAILURE = "InternalFailure";

    private BackoffUtils() {
        // do noting
    }

    /**
     * 根据Client异常判断是否进行规避重试
     *
     * @param e 指定Client异常
     * @return
     */
    public static boolean judgeNeedBackoff(ClientException e) {
        if (REJECTED_THROTTLING.equals(e.getErrCode()) || SERVICE_UNAVAILABLE_TEMPORARY.equals(e.getErrCode()) || INTERNAL_FAILURE.equals(e.getErrCode())) {
            return true;
        }
        return false;
    }

    /**
     * 根据Client异常判断是否进行容灾重试
     *
     * @param e 指定Client异常
     * @return
     */
    public static boolean judgeNeedRecoveryException(ClientException e) {
        if (CacheClientConstant.SDK_READ_TIMEOUT.equals(e.getErrCode()) || CacheClientConstant.SDK_SERVER_UNREACHABLE.equals(e.getErrCode()) || judgeNeedBackoff(e)) {
            return true;
        }
        return false;
    }
}