com.netflix.spectator.placeholders.DefaultPlaceholderCounter Maven / Gradle / Ivy
/*
* Copyright 2014-2019 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.placeholders;
import com.netflix.spectator.api.Counter;
import com.netflix.spectator.api.Registry;
/**
* Counter implementation that delegates the value tracking to component counters
* based on the current value of the tags associated with the PlaceholderId when the
* increment methods are called.
*/
class DefaultPlaceholderCounter extends AbstractDefaultPlaceholderMeter implements Counter {
/**
* Constructs a new counter with the specified dynamic id.
*
* @param id the dynamic (template) id for generating the individual counters
* @param registry the registry to use to instantiate the individual counters
*/
DefaultPlaceholderCounter(PlaceholderId id, Registry registry) {
super(id, registry::counter);
}
@Override public void add(double amount) {
resolveToCurrentMeter().add(amount);
}
@Override public double actualCount() {
return resolveToCurrentMeter().count();
}
}