// Copyright (C) 2015 The Android Open Source Project
//
// 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.google.gerrit.metrics.dropwizard;
import com.google.common.base.Function;
import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Field;
import com.google.gerrit.metrics.Histogram1;
/** Optimized version of {@link BucketedHistogram} for single dimension. */
class HistogramImpl1<F1> extends BucketedHistogram implements BucketedMetric {
HistogramImpl1(DropWizardMetricMaker metrics, String name, Description desc, Field<F1> field1) {
super(metrics, name, desc, field1);
}
Histogram1<F1> histogram1() {
return new Histogram1<F1>() {
@Override
public void record(F1 field1, long value) {
total.record(value);
forceCreate(field1).record(value);
}
@Override
public void remove() {
doRemove();
}
};
}
@Override
String name(Object field1) {
@SuppressWarnings("unchecked")
Function<Object, String> fmt = (Function<Object, String>) fields[0].formatter();
return fmt.apply(field1).replace('/', '-');
}
}