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.cassandra.repair.state;
  
  import java.util.UUID;
  
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.repair.RepairJobDesc;
  import org.apache.cassandra.utils.Clock;
  
  public class ValidationState extends AbstractState<ValidationState.State, UUID>
  {
      public enum State
      { ACCEPT, START, SENDING_TREES }
  
      public final Phase phase = new Phase();
      public final RepairJobDesc desc;
      public final InetAddressAndPort initiator;
      public long estimatedPartitions;
      public long estimatedTotalBytes;
      public long partitionsProcessed;
      public long bytesRead;
  
      public ValidationState(Clock clock, RepairJobDesc desc, InetAddressAndPort initiator)
      {
          // UUID is used to make the validations table easier for users to lookup by a single key rather than a composite key
          super(clock, desc.determanisticId(), State.class);
          this.desc = desc;
          this.initiator = initiator;
      }
  
      public float getProgress()
      {
          int currentState = this.currentState;
          if (currentState == INIT)
              return 0.0F;
          if (currentState == COMPLETE)
              return 1.0F;
          if (estimatedPartitions == 0) // mostly to avoid / 0
              return 0.0f;
          return Math.min(0.99F, partitionsProcessed / (float) estimatedPartitions);
      }
  
      public final class Phase extends BaseSkipPhase
      {
          public void accept()
          {
              updateState(State.ACCEPT);
          }
  
          public void start(long estimatedPartitions, long estimatedTotalBytes)
          {
              updateState(State.START);
              ValidationState.this.estimatedPartitions = estimatedPartitions;
              ValidationState.this.estimatedTotalBytes = estimatedTotalBytes;
          }
  
          public void sendingTrees()
          {
              updateState(State.SENDING_TREES);
          }
      }
  }
  