/**
* Load the correctors of the specified type, construct the corresponding corrector agents and
* populate the corrector agent list.
*
* @param correctorAgents the list to which the corrector agents should be added
* @param nodeType the type of corrector nodes to fetch
*/
public void loadCorrectors(final List<CorrectorAgent> correctorAgents, final String nodeType) {
final Map<String, CorrectorSupply> supplyMap = new HashMap<String, CorrectorSupply>();
final List<Dipole> allCorrectors = _sequence.getAllNodesOfType(nodeType);
final List<Dipole> correctors = AcceleratorSeq.filterNodesByStatus(allCorrectors, true);
final Iterator<Dipole> correctorIter = correctors.iterator();
while (correctorIter.hasNext()) {
final Dipole corrector = correctorIter.next();
final MagnetMainSupply supply = corrector.getMainSupply();
if (supply != null) {
final String supplyID = supply.getId();
if (!supplyMap.containsKey(supplyID)) {
supplyMap.put(supplyID, new CorrectorSupply(supply));
}
final CorrectorSupply supplyAgent = supplyMap.get(supplyID);
final CorrectorAgent correctorAgent = new CorrectorAgent(corrector);
supplyAgent.addCorrector(correctorAgent);
_correctorAgents.add(correctorAgent);
}
}
_correctorSupplyMap = supplyMap;
_correctorSupplies = new ArrayList<CorrectorSupply>(supplyMap.values());
Collections.sort(
_correctorSupplies, CorrectorSupply.getFirstCorrectorPositionComparator(_sequence));
}
/**
* Wrap the corrector's channel corresponding to the specified handle.
*
* @param handle Description of the Parameter
* @return Description of the Return Value
*/
protected ChannelWrapper wrapChannel(final String handle) {
Channel channel = _powerSupply.getChannel(handle);
ChannelWrapper wrapper = new ChannelWrapper(channel);
wrapper.addChannelEventListener(
new ChannelEventListener() {
/**
* The PV's monitored value has changed.
*
* @param channel the channel whose value has changed
* @param record The channel time record of the new value
*/
public void valueChanged(Channel channel, ChannelTimeRecord record) {
_latestField = record.doubleValue();
EVENT_PROXY.fieldChanged(CorrectorSupply.this, record, _latestField);
}
/**
* The channel's connection has changed. Either it has established a new connection or the
* existing connection has dropped.
*
* @param channel The channel whose connection has changed.
* @param connected The channel's new connection state
*/
public void connectionChanged(Channel channel, boolean connected) {
_latestField = Double.NaN;
EVENT_PROXY.connectionChanged(CorrectorSupply.this, connected);
}
});
wrapper.requestConnection();
return wrapper;
}
/**
* Set the field to the value specified.
*
* @param field the field in Tesla
*/
public void setField(final double field) {
try {
_powerSupply.setField(field);
} catch (Exception exception) {
throw new RuntimeException("Field setting exception.", exception);
}
}
/** Constructor */
public CorrectorSupply(final MagnetMainSupply powerSupply) {
PUT_HANDLER = new PutHandler();
_powerSupply = powerSupply;
_correctors = new ArrayList<CorrectorAgent>();
_latestField = Double.NaN;
_lowerFieldLimit = Double.NaN;
_upperFieldLimit = Double.NaN;
MESSAGE_CENTER = new MessageCenter();
EVENT_PROXY = MESSAGE_CENTER.registerSource(this, CorrectorSupplyListener.class);
wrapChannels();
LIMITS_HANDLER = new LimitsHandler(powerSupply.getChannel(MagnetMainSupply.FIELD_SET_HANDLE));
}
/**
* Read the field set point.
*
* @return the current field set point
*/
public double getFieldSetting() throws xal.ca.ConnectionException, xal.ca.GetException {
return _powerSupply.getFieldSetting();
}
/**
* Get the unique corrector ID.
*
* @return the supply's unique ID
*/
public String getID() {
return _powerSupply.getId();
}