private void processConditionChange(DynamicValueCondition condition, Timestamp timestamp) {
if (condition != null) {
// ... characteristic "timestamp"
doForwardCharacteristic(
condition.getTimestamp(), timestamp, CharacteristicInfo.C_TIMESTAMP.getName());
// ... characteristic "status"
doForwardCharacteristic(
EpicsUtil.extratStatus(condition), timestamp, CharacteristicInfo.C_STATUS.getName());
// ... characteristic "severity"
doForwardCharacteristic(
EpicsUtil.toEPICSFlavorSeverity(condition),
timestamp,
CharacteristicInfo.C_SEVERITY.getName());
}
}
/** {@inheritDoc} */
@Override
protected Object doGetCharacteristicSynchronously(String characteristicId, ValueType valueType)
throws Exception {
Object result = null;
// ... try to read the value
if (waitTillConnected(CONNECTION_TIMEOUT)) {
if (characteristicId.equals(CharacteristicInfo.C_SEVERITY.getName())) {
result = EpicsUtil.toEPICSFlavorSeverity(_dalProperty.getCondition());
} else if (characteristicId.equals(CharacteristicInfo.C_STATUS.getName())) {
result = EpicsUtil.extratStatus(_dalProperty.getCondition());
} else if (characteristicId.equals(CharacteristicInfo.C_TIMESTAMP.getName())) {
result = _dalProperty.getCondition().getTimestamp();
} else {
Object tmp = _dalProperty.getCharacteristic(characteristicId);
result = valueType != null ? ConverterUtil.convert(tmp, valueType) : tmp;
}
}
return result;
}
/**
* Waits until DAL property is connected or timeout has elapsed
*
* @param timeout the timeout to wait
* @return <code>true</code> if property was connected
*/
public boolean waitTillConnected(long timeout) {
return EpicsUtil.waitTillConnected(_dalProperty, timeout);
}