kafka MeasurableStat 源码
kafka MeasurableStat 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/metrics/MeasurableStat.java
/*
* 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.kafka.common.metrics;
/**
* A MeasurableStat is a {@link Stat} that is also {@link Measurable} (i.e. can produce a single floating point value).
* This is the interface used for most of the simple statistics such as {@link org.apache.kafka.common.metrics.stats.Avg},
* {@link org.apache.kafka.common.metrics.stats.Max}, {@link org.apache.kafka.common.metrics.stats.CumulativeCount}, etc.
*/
public interface MeasurableStat extends Stat, Measurable {
}
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