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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.concurrent.maintenance;
import java.util.concurrent.ConcurrentHashMap;
/**
* Tracks and forwards maintenance job metrics.
*
* @author mpolden
*/
public abstract class JobMetrics {
private final ConcurrentHashMap<String, Long> incompleteRuns = new ConcurrentHashMap<>();
/** Record starting of a run of a job */
public void starting(String job) {
incompleteRuns.merge(job, 1L, Long::sum);
}
/** Record completion of given job */
public void recordCompletionOf(String job) {
incompleteRuns.put(job, 0L);
}
/**
* Records completion of a run of a job.
* This is guaranteed to always be called once whenever starting has been called.
*/
public void completed(String job, double successFactor) {
Long incompleteRuns = this.incompleteRuns.get(job);
if (incompleteRuns != null) {
recordCompletion(job, incompleteRuns, successFactor);
}
}
protected abstract void recordCompletion(String job, Long incompleteRuns, double successFactor);
}
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