com.netflix.spectator.spark.NameFunction Maven / Gradle / Ivy
/**
* Copyright 2015 Netflix, Inc.
*
* 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
*
* 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.netflix.spectator.spark;
import com.netflix.spectator.api.Id;
/**
* Maps a name used for the metrics registry into an id for spectator.
*/
public interface NameFunction {
/**
* Return the id corresponding to the name, or null if the name cannot be mapped and the value
* should be dropped.
*/
Id apply(String name);
}