private String valueToHtml(final Entity entity, final Entity point, final Value value) {
final StringBuilder sb = new StringBuilder(SIZE);
if (!(Double.compare(value.getDoubleValue(), Const.CONST_IGNORED_NUMBER_VALUE) == 0)) {
sb.append("<img style=\"float:left\" src=\"")
.append(ServerInfoImpl.getFullServerURL(this.getThreadLocalRequest()));
switch (value.getAlertState()) {
case LowAlert:
sb.append("/resources/images/point_low.png\">");
break;
case HighAlert:
sb.append("/resources/images/point_high.png\">");
break;
case IdleAlert:
sb.append("/resources/images/point_idle.png\">");
break;
case OK:
sb.append("/resources/images/point_ok.png\">");
break;
}
}
if (entity != null && point != null) {
sb.append(" ");
if (!(Double.compare(value.getDoubleValue(), Const.CONST_IGNORED_NUMBER_VALUE) == 0)) {
sb.append("Alert Status:").append(value.getAlertState().name());
sb.append("<br>Value:").append(value.getDoubleValue());
}
if (!Utils.isEmptyString(value.getNote())) {
sb.append("<br>Note:").append(value.getNote());
}
sb.append("<a href=\"#\" onclick=\"window.open('report.html?uuid=")
.append(point.getKey())
.append("', 'Report',")
.append("'height=800,width=800,toolbar=0,status=0,location=0' );\" >")
.append(" [more]</a>");
}
return sb.toString();
}
@Override
public Value solveEquation(final User user, final Calculation calculation)
throws NimbitsException {
final MathEvaluator m = new MathEvaluatorImpl(calculation.getFormula());
log.info(calculation.getFormula());
if (!Utils.isEmptyString(calculation.getX()) && calculation.getFormula().contains("x")) {
// Point p = PointServiceFactory.getInstance().getPointByKey(calculation.getX());
final Entity p =
EntityServiceFactory.getInstance()
.getEntityByKey(user, calculation.getX(), EntityType.point)
.get(0);
if (p != null) {
log.info("calc has an x car and i found " + p.getName());
final List<Value> val = ValueServiceFactory.getInstance().getCurrentValue(p);
final double d = val.isEmpty() ? 0.0 : val.get(0).getDoubleValue();
m.addVariable("x", d);
} else {
log.severe("calc has an x car and x not found");
}
}
if (!Utils.isEmptyString(calculation.getY()) && calculation.getFormula().contains("y")) {
final Entity p =
EntityServiceFactory.getInstance()
.getEntityByKey(user, calculation.getY(), EntityType.point)
.get(0);
// Point p = PointServiceFactory.getInstance().getPointByKey(calculation.getY());
if (p != null) {
final List<Value> val = ValueServiceFactory.getInstance().getCurrentValue(p);
final double d = val.isEmpty() ? 0.0 : val.get(0).getDoubleValue();
m.addVariable("y", d);
}
}
if (!Utils.isEmptyString(calculation.getZ()) && calculation.getFormula().contains("z")) {
final Entity p =
EntityServiceFactory.getInstance()
.getEntityByKey(user, calculation.getZ(), EntityType.point)
.get(0);
// Point p = PointServiceFactory.getInstance().getPointByKey(calculation.getZ());
if (p != null) {
final List<Value> val = ValueServiceFactory.getInstance().getCurrentValue(p);
final double d = val.isEmpty() ? 0.0 : val.get(0).getDoubleValue();
m.addVariable("z", d);
}
}
final Double retVal = m.getValue();
if (retVal == null) {
throw new NimbitsException("Formula returned a null value: " + calculation.getFormula());
}
return ValueFactory.createValueModel(retVal, "CV");
}