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.Collection;
  import java.util.Set;
  import java.util.UUID;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.ConcurrentMap;
  import java.util.stream.Collectors;
  
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.repair.CommonRange;
  import org.apache.cassandra.repair.SharedContext;
  import org.apache.cassandra.utils.TimeUUID;
  
  public class SessionState extends AbstractState<SessionState.State, TimeUUID>
  {
      public enum State
      {
          START, JOBS_START
      }
  
      public final TimeUUID parentRepairSession;
      public final String keyspace;
      public final String[] cfnames;
      public final CommonRange commonRange;
      private final ConcurrentMap<UUID, JobState> jobs = new ConcurrentHashMap<>();
  
      public final Phase phase = new Phase();
  
      public SessionState(SharedContext ctx, TimeUUID parentRepairSession, String keyspace, String[] cfnames, CommonRange commonRange)
      {
          super(ctx.clock(), ctx.timeUUID().get(), State.class);
          this.parentRepairSession = parentRepairSession;
          this.keyspace = keyspace;
          this.cfnames = cfnames;
          this.commonRange = commonRange;
      }
  
      public Collection<JobState> getJobs()
      {
          return jobs.values();
      }
  
      public JobState getJob(UUID id)
      {
          return jobs.get(id);
      }
  
      public Set<UUID> getJobIds()
      {
          return jobs.keySet();
      }
  
      public Set<InetAddressAndPort> getParticipants()
      {
          return commonRange.endpoints;
      }
  
      @Override
      public String status()
      {
          State state = getStatus();
          Result result = getResult();
          if (result != null)
              return result.kind.name();
          else if (state == null)
              return "init";
          else if (state == State.JOBS_START)
              return state.name() + " " + jobs.entrySet().stream().map(e -> e.getKey() + " -> " + e.getValue().status()).collect(Collectors.toList());
          else
              return state.name();
      }
  
      public void register(JobState state)
      {
          jobs.put(state.id, state);
      }
  
      public final class Phase extends BaseSkipPhase
      {
          public void start()
          {
              updateState(State.START);
          }
  
          public void jobsSubmitted()
          {
              updateState(State.JOBS_START);
          }
      }
  }
  