/*
 * 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.fluo.api.metrics;

/**
 * Metrics Counter. See http://metrics.dropwizard.io/3.1.0/getting-started/#counters
 */
public interface Counter {

  /**
   * Increments counter by 1
   */
  void inc();

  /**
   * Increments counter by value
   */
  void inc(long value);

  /**
   * Decrements counter by 1
   */
  void dec();

  /**
   * Decrements counter by value
   */
  void dec(long value);

}
