/** * 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.jstorm.common.metric.old; import com.alibaba.jstorm.common.metric.old.window.Metric; import java.io.Serializable; public interface MetricFilter extends Serializable { /** * Matches all metrics, regardless of type or name. */ MetricFilter ALL = new MetricFilter() { private static final long serialVersionUID = 7089987006352295530L; @Override public boolean matches(String 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(String name, Metric metric); }