com.netflix.spectator.api.SwapTimer 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.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import java.util.function.LongSupplier;
/** Wraps another timer allowing the underlying type to be swapped. */
final class SwapTimer extends SwapMeter implements Timer {
/** Create a new instance. */
SwapTimer(Registry registry, LongSupplier versionSupplier, Id id, Timer underlying) {
super(registry, versionSupplier, id, underlying);
}
@Override public Timer lookup() {
return registry.timer(id);
}
@Override public void record(long amount, TimeUnit unit) {
get().record(amount, unit);
}
@Override public T record(Callable f) throws Exception {
final long s = registry.clock().monotonicTime();
try {
return f.call();
} finally {
final long e = registry.clock().monotonicTime();
record(e - s, TimeUnit.NANOSECONDS);
}
}
@Override public void record(Runnable f) {
final long s = registry.clock().monotonicTime();
try {
f.run();
} finally {
final long e = registry.clock().monotonicTime();
record(e - s, TimeUnit.NANOSECONDS);
}
}
@Override public long count() {
return get().count();
}
@Override public long totalTime() {
return get().totalTime();
}
}