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.net.InetAddress;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.stream.Collectors;
  
  import com.google.common.base.Joiner;
  import com.google.common.collect.Iterables;
  
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.schema.Schema;
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.schema.TableMetadata;
  
  /**
   * helper for JMX management functions
   */
  public class LocalSessionInfo
  {
      public static final String SESSION_ID = "SESSION_ID";
      public static final String STATE = "STATE";
      public static final String STARTED = "STARTED";
      public static final String LAST_UPDATE = "LAST_UPDATE";
      public static final String COORDINATOR = "COORDINATOR";
      public static final String PARTICIPANTS = "PARTICIPANTS";
      public static final String PARTICIPANTS_WP = "PARTICIPANTS_WP";
      public static final String TABLES = "TABLES";
  
  
      private LocalSessionInfo() {}
  
      private static String tableString(TableId id)
      {
          TableMetadata meta = Schema.instance.getTableMetadata(id);
          return meta != null ? meta.keyspace + '.' + meta.name : "<null>";
      }
  
      static Map<String, String> sessionToMap(LocalSession session)
      {
          Map<String, String> m = new HashMap<>();
          m.put(SESSION_ID, session.sessionID.toString());
          m.put(STATE, session.getState().toString());
          m.put(STARTED, Long.toString(session.getStartedAt()));
          m.put(LAST_UPDATE, Long.toString(session.getLastUpdate()));
          m.put(COORDINATOR, session.coordinator.toString());
          m.put(PARTICIPANTS, Joiner.on(',').join(Iterables.transform(session.participants.stream().map(peer -> peer.getAddress()).collect(Collectors.toList()), InetAddress::getHostAddress)));
          m.put(PARTICIPANTS_WP, Joiner.on(',').join(Iterables.transform(session.participants, InetAddressAndPort::getHostAddressAndPort)));
          m.put(TABLES, Joiner.on(',').join(Iterables.transform(session.tableIds, LocalSessionInfo::tableString)));
  
          return m;
      }
  }
  