| /* |
| * 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 org.apache.geronimo.microprofile.metrics.common; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.json.bind.annotation.JsonbProperty; |
| import javax.json.bind.annotation.JsonbTransient; |
| |
| import org.eclipse.microprofile.metrics.Histogram; |
| import org.eclipse.microprofile.metrics.Meter; |
| import org.eclipse.microprofile.metrics.Snapshot; |
| import org.eclipse.microprofile.metrics.Timer; |
| |
| public class TimerImpl implements Timer { |
| private final Histogram histogram; |
| private final Meter meter; |
| |
| public TimerImpl(final String unit) { |
| this.histogram = new HistogramImpl(unit); |
| this.meter = new MeterImpl(unit); |
| } |
| |
| @Override |
| public void update(final long duration, final TimeUnit unit) { |
| if (duration >= 0) { |
| histogram.update(unit.toNanos(duration)); |
| meter.mark(); |
| } |
| } |
| |
| @Override |
| public <T> T time(final Callable<T> event) throws Exception { |
| try (final Context context = time()) { |
| return event.call(); |
| } |
| } |
| |
| @Override |
| public void time(final Runnable event) { |
| try { |
| time(() -> { |
| event.run(); |
| return null; |
| }); |
| } catch (final RuntimeException e) { |
| throw e; |
| } catch (final Exception e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| @Override |
| public Context time() { |
| return new ContextImpl(); |
| } |
| |
| @Override |
| public long getCount() { |
| return histogram.getCount(); |
| } |
| |
| @Override |
| @JsonbProperty("fifteenMinRate") |
| public double getFifteenMinuteRate() { |
| return meter.getFifteenMinuteRate(); |
| } |
| |
| @Override |
| @JsonbProperty("fiveMinRate") |
| public double getFiveMinuteRate() { |
| return meter.getFiveMinuteRate(); |
| } |
| |
| @Override |
| public double getMeanRate() { |
| return meter.getMeanRate(); |
| } |
| |
| @Override |
| @JsonbProperty("oneMinRate") |
| public double getOneMinuteRate() { |
| return meter.getOneMinuteRate(); |
| } |
| |
| @Override |
| @JsonbTransient |
| public Snapshot getSnapshot() { |
| return histogram.getSnapshot(); |
| } |
| |
| public double getP50() { |
| return getSnapshot().getMedian(); |
| } |
| |
| public double getP75() { |
| return getSnapshot().get75thPercentile(); |
| } |
| |
| public double getP95() { |
| return getSnapshot().get95thPercentile(); |
| } |
| |
| public double getP98() { |
| return getSnapshot().get98thPercentile(); |
| } |
| |
| public double getP99() { |
| return getSnapshot().get99thPercentile(); |
| } |
| |
| public double getP999() { |
| return getSnapshot().get999thPercentile(); |
| } |
| |
| public long getMax() { |
| return getSnapshot().getMax(); |
| } |
| |
| public double getMean() { |
| return getSnapshot().getMean(); |
| } |
| |
| public long getMin() { |
| return getSnapshot().getMin(); |
| } |
| |
| public double getStddev() { |
| return getSnapshot().getStdDev(); |
| } |
| |
| private class ContextImpl implements Context { |
| private final long start = System.nanoTime(); |
| |
| @Override |
| public long stop() { |
| final long duration = System.nanoTime() - start; |
| update(duration, TimeUnit.NANOSECONDS); |
| return duration; |
| } |
| |
| @Override |
| public void close() { |
| stop(); |
| } |
| } |
| } |