net.anotheria.moskito.webui.threshold.api.ThresholdAPIImpl Maven / Gradle / Ivy

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package net.anotheria.moskito.webui.threshold.api;

import net.anotheria.anoplass.api.APIException;
import net.anotheria.moskito.core.stats.TimeUnit;
import net.anotheria.moskito.core.threshold.Threshold;
import net.anotheria.moskito.core.threshold.ThresholdConditionGuard;
import net.anotheria.moskito.core.threshold.ThresholdDefinition;
import net.anotheria.moskito.core.threshold.ThresholdRepository;
import net.anotheria.moskito.core.threshold.ThresholdStatus;
import net.anotheria.moskito.core.threshold.alerts.AlertHistory;
import net.anotheria.moskito.core.threshold.alerts.ThresholdAlert;
import net.anotheria.moskito.core.threshold.guard.DoubleBarrierPassGuard;
import net.anotheria.moskito.core.threshold.guard.GuardedDirection;
import net.anotheria.moskito.core.threshold.guard.LongBarrierPassGuard;
import net.anotheria.moskito.webui.shared.api.AbstractMoskitoAPIImpl;
import net.anotheria.util.NumberUtils;
import net.anotheria.util.StringUtils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * Implementation of the ThresholdAPI.
 *
 * @author lrosenberg
 * @since 11.02.13 18:45
 */
public class ThresholdAPIImpl extends AbstractMoskitoAPIImpl implements ThresholdAPI{
	@Override
	public List getAlerts() {
		List alerts = AlertHistory.INSTANCE.getAlerts();
		List aBeans = new ArrayList<>(alerts.size());
		for (ThresholdAlert alert : alerts){
			ThresholdAlertAO alertBean = new ThresholdAlertAO();
			alertBean.setId(alert.getThreshold().getId());
			alertBean.setName(alert.getThreshold().getName());
			alertBean.setOldColorCode(alert.getOldStatus().toString().toLowerCase());
			alertBean.setOldStatus(alert.getOldStatus().toString());
			alertBean.setOldValue(alert.getOldValue());
			alertBean.setNewColorCode(alert.getNewStatus().toString().toLowerCase());
			alertBean.setNewStatus(alert.getNewStatus().toString());
			alertBean.setNewValue(alert.getNewValue());
			alertBean.setTimestamp(NumberUtils.makeISO8601TimestampString(alert.getTimestamp()));
			aBeans.add(alertBean);
		}
		return aBeans;
	}

	protected boolean hasDots(String ... params){
		if (params==null)
			return false;
		for (String p : params){
			if (p!=null && p.indexOf('.')>0)
				return true;
		}
		return false;
	}

	protected GuardedDirection string2direction(String param){
		if (param==null)
			throw new IllegalArgumentException("Empty direction parameter!");
		if (param.equalsIgnoreCase("below"))
			return GuardedDirection.DOWN;
		if (param.equalsIgnoreCase("above"))
			return GuardedDirection.UP;
		throw new IllegalArgumentException("Unknown parameter value for direction "+param+", expected below or above.");
	}

    protected GuardedDirection enumName2direction(String param){
        if (param==null)
            throw new IllegalArgumentException("Empty direction parameter!");
        try {
            return GuardedDirection.valueOf(param);
        } catch (Exception e) {
            throw new IllegalArgumentException("Unknown parameter value for direction "+param+", expected DOWN or UP.");
        }
    }

	@Override
	public void updateThreshold(String thresholdId, ThresholdPO po) throws APIException{
		Threshold oldThreshold =  ThresholdRepository.getInstance().getById(thresholdId);
		ThresholdDefinition td = oldThreshold.getDefinition();
		td.setName(po.getName());

		GuardedDirection greenDir = enumName2direction(po.getGreenDir());
		GuardedDirection yellowDir = enumName2direction(po.getYellowDir());
		GuardedDirection orangeDir = enumName2direction(po.getOrangeDir());
		GuardedDirection redDir = enumName2direction(po.getRedDir());
		GuardedDirection purpleDir = enumName2direction(po.getPurpleDir());

		String greenValue  = po.getGreenValue();
		String yellowValue = po.getYellowValue();
		String orangeValue = po.getOrangeValue();
		String redValue    = po.getRedValue();
		String purpleValue = po.getPurpleValue();

		validateValues(greenValue, yellowValue, orangeValue, redValue, purpleValue);

        //remove old
        ThresholdRepository.getInstance().removeById(thresholdId);

		//determine if we have to use double
		boolean hasDots = hasDots(greenValue, yellowValue, orangeValue, redValue, purpleValue);

		Threshold newThreshold = ThresholdRepository.getInstance().createThreshold(td);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.GREEN, Double.parseDouble(greenValue), greenDir):
				new LongBarrierPassGuard(ThresholdStatus.GREEN, Long.parseLong(greenValue), greenDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.YELLOW, Double.parseDouble(yellowValue), yellowDir):
				new LongBarrierPassGuard(ThresholdStatus.YELLOW, Long.parseLong(yellowValue), yellowDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.ORANGE, Double.parseDouble(orangeValue), orangeDir):
				new LongBarrierPassGuard(ThresholdStatus.ORANGE, Long.parseLong(orangeValue), orangeDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.RED, Double.parseDouble(redValue), redDir):
				new LongBarrierPassGuard(ThresholdStatus.RED, Long.parseLong(redValue), redDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.PURPLE, Double.parseDouble(purpleValue), purpleDir):
				new LongBarrierPassGuard(ThresholdStatus.PURPLE, Long.parseLong(purpleValue), purpleDir)
		);

	}


	private void validateValues(String greenValue, String yellowValue, String orangeValue, String redValue,String purpleValue) throws APIException{
        //fix for https://jira.opensource.anotheria.net/browse/MSK-82
        if (StringUtils.isEmpty(greenValue))
            throw new APIException("Cannot create new threshold. Please specify a boundary value for Green status.");
        if (StringUtils.isEmpty(yellowValue))
            throw new APIException("Cannot create new threshold. Please specify a boundary value for Yellow status.");
        if (StringUtils.isEmpty(orangeValue))
            throw new APIException("Cannot create new threshold. Please specify a boundary value for Orange status.");
        if (StringUtils.isEmpty(redValue))
            throw new APIException("Cannot create new threshold. Please specify a boundary value for Red status.");
        if (StringUtils.isEmpty(purpleValue))
            throw new APIException("Cannot create new threshold. Please specify a boundary value for Purple status.");
        
    }

	@Override
	public void createThreshold(ThresholdPO po)  throws APIException{
		if (po.getName() == null || po.getName().equals(""))
			throw new APIException("Can't create threshold without a name.");


		//now parse guards
		GuardedDirection greenDir = string2direction(po.getGreenDir());
		GuardedDirection yellowDir = string2direction(po.getYellowDir());
		GuardedDirection orangeDir = string2direction(po.getOrangeDir());
		GuardedDirection redDir = string2direction(po.getRedDir());
		GuardedDirection purpleDir = string2direction(po.getPurpleDir());

		String greenValue  = po.getGreenValue();
		String yellowValue = po.getYellowValue();
		String orangeValue = po.getOrangeValue();
		String redValue    = po.getRedValue();
		String purpleValue = po.getPurpleValue();

		validateValues(greenValue, yellowValue, orangeValue, redValue, purpleValue);

		//determine if we have to use double
		boolean hasDots = hasDots(greenValue, yellowValue, orangeValue, redValue, purpleValue);

		ThresholdDefinition td = new ThresholdDefinition();
		td.setProducerName(po.getProducerId());
		td.setStatName(po.getStatName());
		td.setValueName(po.getValueName());
		td.setIntervalName(po.getInterval());
		td.setTimeUnit(TimeUnit.fromString(po.getUnit()));
		td.setName(po.getName());

		Threshold newThreshold = ThresholdRepository.getInstance().createThreshold(td);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.GREEN, Double.parseDouble(greenValue), greenDir):
				new LongBarrierPassGuard(ThresholdStatus.GREEN, Long.parseLong(greenValue), greenDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.YELLOW, Double.parseDouble(yellowValue), yellowDir):
				new LongBarrierPassGuard(ThresholdStatus.YELLOW, Long.parseLong(yellowValue), yellowDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.ORANGE, Double.parseDouble(orangeValue), orangeDir):
				new LongBarrierPassGuard(ThresholdStatus.ORANGE, Long.parseLong(orangeValue), orangeDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.RED, Double.parseDouble(redValue), redDir):
				new LongBarrierPassGuard(ThresholdStatus.RED, Long.parseLong(redValue), redDir)
		);
		newThreshold.addGuard(hasDots ?
				new DoubleBarrierPassGuard(ThresholdStatus.PURPLE, Double.parseDouble(purpleValue), purpleDir):
				new LongBarrierPassGuard(ThresholdStatus.PURPLE, Long.parseLong(purpleValue), purpleDir)
		);
	}

	@Override
	public void removeThreshold(String id) {
		ThresholdRepository.getInstance().removeById(id);
	}

	@Override
	public List getThresholdStatuses() throws APIException {
		List thresholds = ThresholdRepository.getInstance().getThresholds();
		List ret = new ArrayList<>(thresholds.size());

		for (Threshold t : thresholds){
			ThresholdStatusAO statusAO = new ThresholdStatusAO();

			statusAO.setName(t.getName());
			statusAO.setColorCode(t.getStatus().toString().toLowerCase());
			statusAO.setStatus(t.getStatus().toString().toLowerCase());
			statusAO.setDescription(t.getDefinition().describe());
			statusAO.setTimestamp(t.getStatusChangeTimestamp() == 0 ? "Never" : NumberUtils.makeISO8601TimestampString(t.getStatusChangeTimestamp()));
			statusAO.setValue(t.getLastValue());
			statusAO.setPreviousColorCode(t.getPreviousStatus().toString().toLowerCase());
			statusAO.setPreviousStatus(t.getPreviousStatus().toString().toLowerCase());

			statusAO.setTimestampForSorting(t.getStatusChangeTimestamp());
			statusAO.setStatusForSorting(t.getStatus());
			statusAO.setId(t.getId());
			statusAO.setFlipCount(t.getFlipCount());


			ret.add(statusAO);
		}
		return ret;
	}

	@Override
	public List getThresholdStatuses(String ... names) throws APIException {
		if (names==null)
			return getThresholdStatuses();
		Set nameSet = new HashSet<>(names.length);
		Collections.addAll(nameSet, names);

		List thresholds = ThresholdRepository.getInstance().getThresholds();
		List ret = new ArrayList<>(thresholds.size());

		for (Threshold t : thresholds){
			if (!nameSet.contains(t.getName()))
				continue;
			ThresholdStatusAO statusAO = new ThresholdStatusAO();

			statusAO.setName(t.getName());
			statusAO.setColorCode(t.getStatus().toString().toLowerCase());
			statusAO.setStatus(t.getStatus().toString().toLowerCase());
			statusAO.setDescription(t.getDefinition().describe());
			statusAO.setTimestamp(t.getStatusChangeTimestamp() == 0 ? "Never" : NumberUtils.makeISO8601TimestampString(t.getStatusChangeTimestamp()));
			statusAO.setValue(t.getLastValue());
			statusAO.setPreviousColorCode(t.getPreviousStatus().toString().toLowerCase());
			statusAO.setPreviousStatus(t.getPreviousStatus().toString().toLowerCase());

			statusAO.setTimestampForSorting(t.getStatusChangeTimestamp());
			statusAO.setStatusForSorting(t.getStatus());
			statusAO.setId(t.getId());
			statusAO.setFlipCount(t.getFlipCount());


			ret.add(statusAO);
		}
		return ret;
	}

	@Override
	public List getThresholdDefinitions() throws APIException {
		List thresholds = ThresholdRepository.getInstance().getThresholds();
		List ret = new ArrayList<>(thresholds.size());
		for (Threshold t : thresholds){
			ret.add(definition2AO(t));
		}
		return ret;

	}

	private ThresholdDefinitionAO definition2AO(Threshold t){
		ThresholdDefinitionAO definitionAO = new ThresholdDefinitionAO();
		definitionAO.setId(t.getId());
		definitionAO.setName(t.getName());
		definitionAO.setProducerName(t.getDefinition().getProducerName());
		definitionAO.setStatName(t.getDefinition().getStatName());
		definitionAO.setIntervalName(t.getDefinition().getIntervalName());
		definitionAO.setValueName(t.getDefinition().getValueName());
		definitionAO.setDescriptionString(t.getDefinition().describe());
		definitionAO.setTimeUnit(t.getDefinition().getTimeUnit());
		for (ThresholdConditionGuard g : t.getGuards()){
			definitionAO.addGuard(g);
		}
		return definitionAO;
	}

	@Override
	public ThresholdStatus getWorstStatus() throws APIException {
		return ThresholdRepository.getInstance().getWorstStatus();
	}

	@Override
	public ThresholdStatus getWorstStatus(List thresholdNames) throws APIException {
		return ThresholdRepository.getInstance().getWorstStatus(thresholdNames);
	}

	@Override
	public ThresholdDefinitionAO getThresholdDefinition(String id) throws APIException {
		return definition2AO(ThresholdRepository.getInstance().getById(id));
	}

	@Override
	public List getGuardsForThreshold(String thresholdId) throws APIException {
		Threshold threshold = ThresholdRepository.getInstance().getById(thresholdId);
		return threshold.getGuards();
	}

	@Override
	public List getThresholdIdsTiedToASpecificProducer(String producerId) {
		return ThresholdRepository.getInstance().getIdsByProducerId(producerId);
	}
}