content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * Licensed 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
   *
   * https://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 io.aeron.samples.echo.api;
  
  /**
   * MBean interface for interacting with a provisioned Echo sub/pub pair.
   */
  public interface EchoMonitorMBean
  {
      /**
       * Get the correlationId used to provision the pair.
       *
       * @return original caller supplied correlationId.
       */
      long getCorrelationId();
  
      /**
       * Get the measured count of back pressure events when trying to echo from the subscription to the publication.
       *
       * @return current back pressure count.
       */
      long getBackPressureCount();
  
      /**
       * Get the number of fragments echoed from the subscription to the publication.
       *
       * @return current fragment count.
       */
      long getFragmentCount();
  
      /**
       * Get the number of bytes echoed through the pair.
       *
       * @return number of bytes.
       */
      long getByteCount();
  }
  