com.netflix.spectator.api.SwapCounter 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.api;
import com.netflix.spectator.impl.SwapMeter;
import java.util.function.LongSupplier;
/** Wraps another counter allowing the underlying type to be swapped. */
final class SwapCounter extends SwapMeter implements Counter {
/** Create a new instance. */
SwapCounter(Registry registry, LongSupplier versionSupplier, Id id, Counter underlying) {
super(registry, versionSupplier, id, underlying);
}
@Override public Counter lookup() {
return registry.counter(id);
}
@Override public void add(double amount) {
get().add(amount);
}
@Override public double actualCount() {
return get().actualCount();
}
}