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 org.agrona.concurrent.status;
  
  /**
   * Reads the value of a counter to indicate current status and what abstraction should be taken.
   * @see CountersReader
   */
  public abstract class StatusIndicatorReader
  {
      /**
       * Default constructor.
       */
      public StatusIndicatorReader()
      {
      }
  
      /**
       * Identifier for this status indicator.
       *
       * @return the identifier for this status indicator.
       */
      public abstract int id();
  
      /**
       * Get the current status indication of a component with volatile semantics.
       *
       * @return the current status indication of a component.
       */
      public abstract long getVolatile();
  
      /**
       * Get the current status indication of a component with acquire semantics.
       *
       * @return the current status indication of a component.
       */
      public abstract long getAcquire();
  
      /**
       * Get the current status indication of a component with opaque semantics.
       *
       * @return the current status indication of a component.
       */
      public abstract long getOpaque();
  }
  