/*
 * 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.util;

import org.apache.celeborn.common.meta.WorkerEventInfo;
import org.apache.celeborn.common.meta.WorkerStatus;
import org.apache.celeborn.common.protocol.PbWorkerStatus;

public class WorkerStatusUtils {

  public static boolean meetFinalState(WorkerEventInfo workerEventInfo, WorkerStatus workerStatus) {
    switch (workerEventInfo.getEventType()) {
      case DecommissionThenIdle:
        return (workerStatus != null && workerStatus.getState() == PbWorkerStatus.State.Idle);
      case Recommission:
      case None:
        return (workerStatus != null && workerStatus.getState() == PbWorkerStatus.State.Normal);
      case Immediately:
      case Decommission:
      case Graceful:
      case UNRECOGNIZED:
        return false;
      default:
        throw new IllegalStateException("Unexpected value: " + workerEventInfo.getEventType());
    }
  }
}
