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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.metrics.simple;
import com.yahoo.metrics.simple.UntypedMetric.AssumedType;
/**
* A single metric measurement and all the meta data needed to route it
* correctly.
*
* @author Steinar Knutsen
*/
public class Sample {
private final Identifier identifier;
private final Measurement measurement;
private final AssumedType metricType;
private MetricReceiver metricReceiver = null;
public Sample(Measurement measurement, Identifier id, AssumedType t) {
this.identifier = id;
this.measurement = measurement;
this.metricType = t;
}
Identifier getIdentifier() {
return identifier;
}
Measurement getMeasurement() {
return measurement;
}
AssumedType getMetricType() {
return metricType;
}
void setReceiver(MetricReceiver metricReceiver) {
this.metricReceiver = metricReceiver;
}
/**
* Get histogram definition for an arbitrary metric. Caveat emptor: This
* involves reading a volatile.
*
* @param metricName name of the metric to get histogram definition for
* @return how to define a new histogram or null
*/
MetricSettings getHistogramDefinition(String metricName) {
if (metricReceiver == null) {
return null;
} else {
return metricReceiver.getMetricDefinition(metricName);
}
}
}
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