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.dht;
  
  import java.util.Collection;
  
  import com.google.common.collect.ImmutableList;
  
  import org.apache.cassandra.dht.BootstrapEvent.BootstrapEventType;
  import org.apache.cassandra.diag.DiagnosticEventService;
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.tcm.ClusterMetadata;
  
  /**
   * Utility methods for bootstrap related activities.
   */
  final class BootstrapDiagnostics
  {
      private static final DiagnosticEventService service = DiagnosticEventService.instance();
  
      private BootstrapDiagnostics()
      {
      }
  
      static void useSpecifiedTokens(InetAddressAndPort address, String allocationKeyspace, Collection<Token> initialTokens,
                                     int numTokens)
      {
          if (isEnabled(BootstrapEventType.BOOTSTRAP_USING_SPECIFIED_TOKENS))
              service.publish(new BootstrapEvent(BootstrapEventType.BOOTSTRAP_USING_SPECIFIED_TOKENS,
                                                 address,
                                                 null,
                                                 allocationKeyspace,
                                                 null,
                                                 numTokens,
                                                 ImmutableList.copyOf(initialTokens)));
      }
  
      static void useRandomTokens(InetAddressAndPort address, ClusterMetadata metadata, int numTokens, Collection<Token> tokens)
      {
          if (isEnabled(BootstrapEventType.BOOTSTRAP_USING_RANDOM_TOKENS))
              service.publish(new BootstrapEvent(BootstrapEventType.BOOTSTRAP_USING_RANDOM_TOKENS,
                                                 address,
                                                 metadata,
                                                 null,
                                                 null,
                                                 numTokens,
                                                 ImmutableList.copyOf(tokens)));
      }
  
      static void tokensAllocated(InetAddressAndPort address, ClusterMetadata metadata,
                                  String allocationKeyspace, int numTokens, Collection<Token> tokens)
      {
          if (isEnabled(BootstrapEventType.TOKENS_ALLOCATED))
              service.publish(new BootstrapEvent(BootstrapEventType.TOKENS_ALLOCATED,
                                                 address,
                                                 metadata,
                                                 allocationKeyspace,
                                                 null,
                                                 numTokens,
                                                 ImmutableList.copyOf(tokens)));
      }
  
      static void tokensAllocated(InetAddressAndPort address, ClusterMetadata metadata,
                                  int rf, int numTokens, Collection<Token> tokens)
      {
          if (isEnabled(BootstrapEventType.TOKENS_ALLOCATED))
              service.publish(new BootstrapEvent(BootstrapEventType.TOKENS_ALLOCATED,
                                                 address,
                                                 metadata,
                                                 null,
                                                 rf,
                                                 numTokens,
                                                 ImmutableList.copyOf(tokens)));
      }
  
      private static boolean isEnabled(BootstrapEventType type)
      {
          return service.isEnabled(BootstrapEvent.class, type);
      }
  
  }
  