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.db.guardrails;
  
  import org.apache.cassandra.db.guardrails.GuardrailEvent.GuardrailEventType;
  import org.apache.cassandra.diag.DiagnosticEventService;
  
  /**
   * Utility methods for {@link GuardrailEvent} activities.
   */
  final class GuardrailsDiagnostics
  {
      private static final DiagnosticEventService service = DiagnosticEventService.instance();
  
      private GuardrailsDiagnostics()
      {
      }
  
      /**
       * Creates a new diagnostic event for the activation of the soft/warn limit of a guardrail.
       *
       * @param name    The name that identifies the activated guardrail.
       * @param message The warning message emitted by the activated guardrail.
       */
      static void warned(String name, String message)
      {
          if (isEnabled(GuardrailEventType.WARNED))
              service.publish(new GuardrailEvent(GuardrailEventType.WARNED, name, message));
      }
  
      /**
       * Creates a new diagnostic event for the activation of the hard/fail limit of a guardrail.
       *
       * @param name    The name that identifies the activated guardrail.
       * @param message The failure message emitted by the activated guardrail.
       */
      static void failed(String name, String message)
      {
          if (isEnabled(GuardrailEventType.FAILED))
              service.publish(new GuardrailEvent(GuardrailEventType.FAILED, name, message));
      }
  
      private static boolean isEnabled(GuardrailEventType type)
      {
          return service.isEnabled(GuardrailEvent.class, type);
      }
  }
  