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.schema;
  
  import java.util.Set;
  
  import org.apache.cassandra.diag.DiagnosticEventService;
  import org.apache.cassandra.locator.InetAddressAndPort;
  import org.apache.cassandra.schema.SchemaAnnouncementEvent.SchemaAnnouncementEventType;
  
  final class SchemaAnnouncementDiagnostics
  {
      private static final DiagnosticEventService service = DiagnosticEventService.instance();
  
      private SchemaAnnouncementDiagnostics()
      {
      }
  
      static void schemaMutationsAnnounced(Set<InetAddressAndPort> schemaDestinationEndpoints, Set<InetAddressAndPort> schemaEndpointsIgnored)
      {
          if (isEnabled(SchemaAnnouncementEventType.SCHEMA_MUTATIONS_ANNOUNCED))
              service.publish(new SchemaAnnouncementEvent(SchemaAnnouncementEventType.SCHEMA_MUTATIONS_ANNOUNCED,
                                                          schemaDestinationEndpoints, schemaEndpointsIgnored, null, null));
      }
  
      public static void schemataMutationsReceived(InetAddressAndPort from)
      {
          if (isEnabled(SchemaAnnouncementEventType.SCHEMA_MUTATIONS_RECEIVED))
              service.publish(new SchemaAnnouncementEvent(SchemaAnnouncementEventType.SCHEMA_MUTATIONS_RECEIVED,
                                                          null, null, null, from));
      }
  
      static void schemaTransformationAnnounced(Set<InetAddressAndPort> schemaDestinationEndpoints, Set<InetAddressAndPort> schemaEndpointsIgnored, SchemaTransformation transformation)
      {
          if (isEnabled(SchemaAnnouncementEventType.SCHEMA_TRANSFORMATION_ANNOUNCED))
              service.publish(new SchemaAnnouncementEvent(SchemaAnnouncementEventType.SCHEMA_TRANSFORMATION_ANNOUNCED,
                                                          schemaDestinationEndpoints, schemaEndpointsIgnored, transformation, null));
      }
  
      private static boolean isEnabled(SchemaAnnouncementEventType type)
      {
          return service.isEnabled(SchemaAnnouncementEvent.class, type);
      }
  }
  