@Override
public List<IVariable> getOutputVariables() {
try {
final List<IVariable> ret = super.getOutputVariables();
final MotorContainer cont =
(MotorContainer) motorsParam.getBeanFromValue(MotorContainer.class);
if (cont == null || cont.isEmpty()) return ret;
for (MotorBean mb : cont.getExpressions()) {
ret.add(
new Variable(
mb.getMotorName().substring(mb.getMotorName().lastIndexOf('/') + 1),
VARIABLE_TYPE.SCALAR,
mb.getExpression(),
String.class));
}
return ret;
} catch (Exception e) {
logger.error("Cannot read variables", e);
return null;
}
}
private Map<String, String> setMotors(final MotorContainer cont, final DataMessageComponent comp)
throws DataMessageException {
final Map<String, String> ret = new HashMap<String, String>(cont.size());
for (MotorBean mb : cont.getExpressions()) {
final String motorPath = SubstituteUtils.substitute(mb.getMotorName(), comp.getScalar());
final String baseUri = TangoUtils.getHardwareAddress(motorPath);
String attribute = mb.getAttributeName();
if (attribute == null || "".equals(attribute.trim())) attribute = "Position";
DeviceAttribute value = null;
if (!mb.isReadOnly()) {
try {
final double dbl =
ExpressionUtils.evaluateExpression(mb.getExpression(), comp.getScalar());
if (Double.isNaN(dbl) || Double.isInfinite(dbl)) throw new Exception();
value = new DeviceAttribute(attribute, dbl);
} catch (Exception e) {
final String exp = SubstituteUtils.substitute(mb.getExpression(), comp.getScalar());
value = new DeviceAttribute(attribute, exp);
}
}
try {
final TangoConnection connection =
TangoConnectionFactory.openConnection(baseUri, attribute);
if (value != null) {
connection.setValue(value); // Uses remote call for MockMode
}
try {
value = connection.getValue();
} catch (Exception ne) {
logger.debug("Error in TangoMotorTransformer " + getName());
logger.debug("Error message: " + ne.getMessage());
logger.debug(ne.getStackTrace().toString());
value = new DeviceAttribute(attribute, 0.0);
}
try {
final String dblString = String.valueOf(value.extractDouble());
ret.put(connection.getName(), dblString);
} catch (Exception ne) {
ret.put(connection.getName(), String.valueOf(value.extractString()));
}
} catch (Exception e) {
throw createDataMessageException("Cannot connect to " + baseUri, e);
}
}
return ret;
}