org.apache.kafka.common.metrics.CompoundStat Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kafka.common.metrics;
import org.apache.kafka.common.MetricName;
import java.util.List;
/**
* A compound stat is a stat where a single measurement and associated data structure feeds many metrics. This is the
* example for a histogram which has many associated percentiles.
*/
public interface CompoundStat extends Stat {
List stats();
class NamedMeasurable {
private final MetricName name;
private final Measurable stat;
public NamedMeasurable(MetricName name, Measurable stat) {
super();
this.name = name;
this.stat = stat;
}
public MetricName name() {
return name;
}
public Measurable stat() {
return stat;
}
}
}