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.consistent;
  
  import java.util.Objects;
  
  import com.google.common.base.Preconditions;
  
  import org.apache.cassandra.repair.SharedContext;
  
  /**
   * Basically just a record of a local session. All of the local session logic is implemented in {@link LocalSessions}
   */
  public class LocalSession extends ConsistentSession
  {
      public final long startedAt;
      private volatile long lastUpdate;
  
      public LocalSession(Builder builder)
      {
          super(builder);
          this.startedAt = builder.startedAt;
          this.lastUpdate = builder.lastUpdate;
      }
  
      public long getStartedAt()
      {
          return startedAt;
      }
  
      public long getLastUpdate()
      {
          return lastUpdate;
      }
  
      public void setLastUpdate()
      {
          lastUpdate = ctx.clock().nowInSeconds();
      }
  
      public boolean equals(Object o)
      {
          if (this == o) return true;
          if (o == null || getClass() != o.getClass()) return false;
          if (!super.equals(o)) return false;
  
          LocalSession session = (LocalSession) o;
  
          if (startedAt != session.startedAt) return false;
          return lastUpdate == session.lastUpdate;
      }
  
      public int hashCode()
      {
          return Objects.hash(super.hashCode(), startedAt, lastUpdate);
      }
  
      public String toString()
      {
          return "LocalSession{" +
                 "sessionID=" + sessionID +
                 ", state=" + getState() +
                 ", coordinator=" + coordinator +
                 ", tableIds=" + tableIds +
                 ", repairedAt=" + repairedAt +
                 ", ranges=" + ranges +
                 ", participants=" + participants +
                 ", startedAt=" + startedAt +
                 ", lastUpdate=" + lastUpdate +
                 '}';
      }
  
      public static class Builder extends AbstractBuilder
      {
          private long startedAt;
          private long lastUpdate;
  
          public Builder(SharedContext ctx)
          {
              super(ctx);
          }
  
          public Builder withStartedAt(long startedAt)
          {
              this.startedAt = startedAt;
              return this;
          }
  
          public Builder withLastUpdate(long lastUpdate)
          {
              this.lastUpdate = lastUpdate;
              return this;
          }
  
          void validate()
          {
              super.validate();
              Preconditions.checkArgument(startedAt > 0);
              Preconditions.checkArgument(lastUpdate > 0);
          }
  
          public LocalSession build()
          {
              validate();
              return new LocalSession(this);
          }
      }
  
      public static Builder builder(SharedContext ctx)
      {
          return new Builder(ctx);
      }
  }
  