content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.celeborn.common.write;
  
  import java.io.IOException;
  
  import org.apache.celeborn.common.CelebornConf;
  
  public abstract class PushStrategy {
  
    protected final CelebornConf conf;
  
    public static PushStrategy getStrategy(CelebornConf conf) {
      String strategyName = conf.clientPushLimitStrategy();
      switch (strategyName) {
        case "SIMPLE":
          return new SimplePushStrategy(conf);
        case "SLOWSTART":
          return new SlowStartPushStrategy(conf);
        default:
          throw new IllegalArgumentException("The strategy " + strategyName + " is not supported!");
      }
    }
  
    public PushStrategy(CelebornConf conf) {
      this.conf = conf;
    }
  
    /** Handle the response is successful. */
    public abstract void onSuccess(String hostAndPushPort);
  
    /** Handle the response is congested controlled. */
    public abstract void onCongestControl(String hostAndPushPort);
  
    public abstract void clear();
  
    /** Control the push speed to meet the requirement. */
    public abstract void limitPushSpeed(PushState pushState, String hostAndPushPort)
        throws IOException;
  
    public abstract int getCurrentMaxReqsInFlight(String hostAndPushPort);
  }
  