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 com.alibaba.metrics;
  
  /**
   * A filter used to determine whether or not a metric should be reported, among other things.
   */
  public interface MetricFilter {
  
      /**
       * Matches all metrics, regardless of type or name.
       */
      MetricFilter ALL = new MetricFilter() {
          @Override
          public boolean matches(MetricName name, Metric metric) {
              return true;
          }
      };
  
      /**
       * Returns {@code true} if the metric matches the filter; {@code false} otherwise.
       *
       * @param name      the metric's name
       * @param metric    the metric
       * @return {@code true} if the metric matches the filter
       */
      boolean matches(MetricName name, Metric metric);
  }
  