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.gms;
  
  
  import org.apache.cassandra.diag.DiagnosticEventService;
  import org.apache.cassandra.gms.GossiperEvent.GossiperEventType;
  import org.apache.cassandra.locator.InetAddressAndPort;
  
  /**
   * Utility methods for DiagnosticEvent activities.
   */
  final class GossiperDiagnostics
  {
      private static final DiagnosticEventService service = DiagnosticEventService.instance();
  
      private GossiperDiagnostics()
      {
      }
  
      static void markedAsShutdown(Gossiper gossiper, InetAddressAndPort endpoint)
      {
          if (isEnabled(GossiperEventType.MARKED_AS_SHUTDOWN))
              service.publish(new GossiperEvent(GossiperEventType.MARKED_AS_SHUTDOWN, gossiper, endpoint, null, null));
      }
  
      static void convicted(Gossiper gossiper, InetAddressAndPort endpoint, double phi)
      {
          if (isEnabled(GossiperEventType.CONVICTED))
              service.publish(new GossiperEvent(GossiperEventType.CONVICTED, gossiper, endpoint, null, null));
      }
  
      static void replacementQuarantine(Gossiper gossiper, InetAddressAndPort endpoint)
      {
          if (isEnabled(GossiperEventType.REPLACEMENT_QUARANTINE))
              service.publish(new GossiperEvent(GossiperEventType.REPLACEMENT_QUARANTINE, gossiper, endpoint, null, null));
      }
  
      static void replacedEndpoint(Gossiper gossiper, InetAddressAndPort endpoint)
      {
          if (isEnabled(GossiperEventType.REPLACED_ENDPOINT))
              service.publish(new GossiperEvent(GossiperEventType.REPLACED_ENDPOINT, gossiper, endpoint, null, null));
      }
  
      static void evictedFromMembership(Gossiper gossiper, InetAddressAndPort endpoint)
      {
          if (isEnabled(GossiperEventType.EVICTED_FROM_MEMBERSHIP))
              service.publish(new GossiperEvent(GossiperEventType.EVICTED_FROM_MEMBERSHIP, gossiper, endpoint, null, null));
      }
  
      static void removedEndpoint(Gossiper gossiper, InetAddressAndPort endpoint)
      {
          if (isEnabled(GossiperEventType.REMOVED_ENDPOINT))
              service.publish(new GossiperEvent(GossiperEventType.REMOVED_ENDPOINT, gossiper, endpoint, null, null));
      }
  
      static void quarantinedEndpoint(Gossiper gossiper, InetAddressAndPort endpoint, long quarantineExpiration)
      {
          if (isEnabled(GossiperEventType.QUARANTINED_ENDPOINT))
              service.publish(new GossiperEvent(GossiperEventType.QUARANTINED_ENDPOINT, gossiper, endpoint, quarantineExpiration, null));
      }
  
      static void markedAlive(Gossiper gossiper, InetAddressAndPort addr, EndpointState localState)
      {
          if (isEnabled(GossiperEventType.MARKED_ALIVE))
              service.publish(new GossiperEvent(GossiperEventType.MARKED_ALIVE, gossiper, addr, null, localState));
      }
  
      static void realMarkedAlive(Gossiper gossiper, InetAddressAndPort addr, EndpointState localState)
      {
          if (isEnabled(GossiperEventType.REAL_MARKED_ALIVE))
              service.publish(new GossiperEvent(GossiperEventType.REAL_MARKED_ALIVE, gossiper, addr, null, localState));
      }
  
      static void markedDead(Gossiper gossiper, InetAddressAndPort addr, EndpointState localState)
      {
          if (isEnabled(GossiperEventType.MARKED_DEAD))
              service.publish(new GossiperEvent(GossiperEventType.MARKED_DEAD, gossiper, addr, null, localState));
      }
  
      static void majorStateChangeHandled(Gossiper gossiper, InetAddressAndPort addr, EndpointState state)
      {
          if (isEnabled(GossiperEventType.MAJOR_STATE_CHANGE_HANDLED))
              service.publish(new GossiperEvent(GossiperEventType.MAJOR_STATE_CHANGE_HANDLED, gossiper, addr, null, state));
      }
  
      static void sendGossipDigestSyn(Gossiper gossiper, InetAddressAndPort to)
      {
          if (isEnabled(GossiperEventType.SEND_GOSSIP_DIGEST_SYN))
              service.publish(new GossiperEvent(GossiperEventType.SEND_GOSSIP_DIGEST_SYN, gossiper, to, null, null));
      }
  
      private static boolean isEnabled(GossiperEventType type)
      {
          return service.isEnabled(GossiperEvent.class, type);
      }
  }
  