kafka QuotaViolationException 源码
kafka QuotaViolationException 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/metrics/QuotaViolationException.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;
import org.apache.kafka.common.KafkaException;
/**
* Thrown when a sensor records a value that causes a metric to go outside the bounds configured as its quota
*/
public class QuotaViolationException extends KafkaException {
private static final long serialVersionUID = 1L;
private final KafkaMetric metric;
private final double value;
private final double bound;
public QuotaViolationException(KafkaMetric metric, double value, double bound) {
this.metric = metric;
this.value = value;
this.bound = bound;
}
public KafkaMetric metric() {
return metric;
}
public double value() {
return value;
}
public double bound() {
return bound;
}
@Override
public String toString() {
return getClass().getName()
+ ": '"
+ metric.metricName()
+ "' violated quota. Actual: "
+ value
+ ", Threshold: "
+ bound;
}
/* avoid the expensive and stack trace for quota violation exceptions */
@Override
public Throwable fillInStackTrace() {
return this;
}
}
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