com.hazelcast.internal.metrics.impl.MetricValueCatcher Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2023, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.internal.metrics.impl;
import com.hazelcast.internal.metrics.ProbeFunction;
/**
* Interface used for catching values of the dynamic metrics. The primary
* use case for this interface is updating gauges with values of dynamic
* metrics.
*/
interface MetricValueCatcher {
/**
* Catches metric value from a source object with a {@link ProbeFunction}.
*
* @param collectionId The identifier of the metric collection cycle
* calling this method
* @param source The object to read the value from
* @param function The probe function that reads the value from the
* {@code source} object
*/
void catchMetricValue(long collectionId, Object source, ProbeFunction function);
/**
* Catches long value.
*
* @param collectionId The identifier of the metric collection cycle
* calling this method
* @param value The value
*/
void catchMetricValue(long collectionId, long value);
/**
* Catches double value.
*
* @param collectionId The identifier of the metric collection cycle
* calling this method
* @param value The value
*/
void catchMetricValue(long collectionId, double value);
}
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