com.tencent.angel.ipc.ConnectionUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of angel-ps-core Show documentation

There is a newer version: 3.2.0

/*
 * Tencent is pleased to support the open source community by making Angel available.
 *
 * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * 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://opensource.org/licenses/Apache-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 com.tencent.angel.ipc;

import com.tencent.angel.conf.AngelConf;

/**
 * Utility used by client connections such as {@link ServerCallable}
 */
public class ConnectionUtils {
  /**
   * Calculate pause time.
   *
   * @param pause
   * @param tries
   * @return How long to wait after tries retries
   */
  public static long getPauseTime(final long pause, final int tries) {
    int ntries = tries;
    if (ntries >= AngelConf.RETRY_BACKOFF.length) {
      ntries = AngelConf.RETRY_BACKOFF.length - 1;
    }
    return pause * AngelConf.RETRY_BACKOFF[ntries];
  }
}