added periodic helper

housekeeping/PeriodicHousekeepingHelper.cpp

@@ -0,0 +1,47 @@
+#include "../datapoollocal/LocalPoolDataSetBase.h"
+#include "PeriodicHousekeepingHelper.h"
+#include <cmath>
+
+PeriodicHousekeepingHelper::PeriodicHousekeepingHelper(
+		LocalPoolDataSetBase* owner): owner(owner) {}
+
+
+void PeriodicHousekeepingHelper::initialize(float collectionInterval,
+		dur_millis_t minimumPeriodicInterval, bool isDiagnostics,
+		uint8_t nonDiagIntervalFactor) {
+	this->minimumPeriodicInterval = minimumPeriodicInterval;
+	if(not owner->getIsDiagnostics()) {
+		this->minimumPeriodicInterval = this->minimumPeriodicInterval *
+				nonDiagIntervalFactor;
+	}
+}
+
+float PeriodicHousekeepingHelper::getCollectionIntervalInSeconds() {
+	return intervalToIntervalSeconds(collectionIntervalTicks);
+}
+
+bool PeriodicHousekeepingHelper::checkOpNecessary() {
+	if(internalTickCounter >= collectionIntervalTicks) {
+		internalTickCounter = 1;
+		return true;
+	}
+	internalTickCounter++;
+	return false;
+}
+
+uint32_t PeriodicHousekeepingHelper::intervalSecondsToInterval(
+		float collectionIntervalSeconds) {
+        return std::ceil(collectionIntervalSeconds * 1000
+                / minimumPeriodicInterval);
+}
+
+float PeriodicHousekeepingHelper::intervalToIntervalSeconds(
+		uint32_t collectionInterval) {
+	return static_cast<float>(collectionInterval *
+			minimumPeriodicInterval);
+}
+
+void PeriodicHousekeepingHelper::changeCollectionInterval(
+		float newIntervalSeconds) {
+	collectionIntervalTicks = intervalSecondsToInterval(newIntervalSeconds);
+}