kafka Value 源码
kafka Value 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/metrics/stats/Value.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.stats;
import org.apache.kafka.common.metrics.MeasurableStat;
import org.apache.kafka.common.metrics.MetricConfig;
/**
* An instantaneous value.
*/
public class Value implements MeasurableStat {
private double value = 0;
@Override
public double measure(MetricConfig config, long now) {
return value;
}
@Override
public void record(MetricConfig config, double value, long timeMs) {
this.value = value;
}
}
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