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package org.onap.holmes.droolsRule;

import org.onap.holmes.common.dmaap.DmaapService;
import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.aai.CorrelationUtil;
import org.onap.holmes.common.dmaap.entity.PolicyMsg;
import org.onap.holmes.common.utils.SpringContextUtil;
import org.onap.holmes.common.utils.DroolsLog;
 

rule "Relation_analysis_Rule"
salience 200
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 0,
            $sourceId: sourceId, sourceId != null && !sourceId.equals(""),
			$sourceName: sourceName, sourceName != null && !sourceName.equals(""),
			$startEpochMicrosec: startEpochMicrosec,
            eventName in ("Fault_MultiCloud_VMFailure"),
            $eventId: eventId)
        $child : VesAlarm( eventId != $eventId, parentId == null,
            CorrelationUtil.getInstance().isTopologicallyRelated(sourceId, $sourceId, $sourceName),
            eventName in ("Fault_IMSSBC_Backup MPU is down"),
            startEpochMicrosec < $startEpochMicrosec + 600000000 && startEpochMicrosec > $startEpochMicrosec - 600000000 )
    then
		DroolsLog.printInfo("Correlation Identified: Root: ID=" + $root.getEventId() + ", Event Name=" + $root.getEventName() +"; Child: ID=" + $child.getEventId() + ", Event Name=" + $child.getEventName());
		$child.setParentId($root.getEventId());
		update($child);
end

rule "root_has_child_handle_Rule"
salience 150
no-loop true
	when
		$root : VesAlarm(alarmIsCleared == 0, rootFlag == 0, $eventId: eventId)
		$child : VesAlarm(eventId != $eventId, parentId == $eventId)
	then
		DroolsLog.printInfo("Root alarm: ID=" + $root.getEventId() + ", Event Name=" + $root.getEventName());
		DmaapService dmaapService = SpringContextUtil.getBean(DmaapService.class);
		PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, $child, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "dcae_cl_out");
		$root.setRootFlag(1);
		update($root);
end

rule "root_no_child_handle_Rule"
salience 100
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 0, rootFlag == 0,
            sourceId != null && !sourceId.equals(""),
			sourceName != null && !sourceName.equals(""),
            eventName in ("Fault_MultiCloud_VMFailure"))
    then
		DroolsLog.printInfo("New alarm: ID=" + $root.getEventId() + ", Event Name=" + $root.getEventName());
		DmaapService dmaapService = SpringContextUtil.getBean(DmaapService.class);
		PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "dcae_cl_out");
		$root.setRootFlag(1);
		update($root);
end

rule "root_cleared_handle_Rule"
salience 100
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 1, rootFlag == 1)
    then
		DroolsLog.printInfo("Alarm cleared: ID=" + $root.getEventId() + ", Event Name=" + $root.getEventName());
		DmaapService dmaapService = SpringContextUtil.getBean(DmaapService.class);
		PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "dcae_cl_out");
		retract($root);
end

rule "child_handle_Rule"
salience 100
no-loop true
    when
        $child : VesAlarm(alarmIsCleared == 1, rootFlag == 0)
    then
		DroolsLog.printInfo("Alarm cleared: ID=" + $child.getEventId() + ", Event Name=" + $child.getEventName());
		retract($child);
end