private void waitEndMoving(final DeviceProxy proxy) throws DevFailed {
waitTask = new WaitStateTask(proxy.get_name(), DevState.MOVING, 100, false);
waitTask.run();
if (waitTask.hasFailed()) {
throw waitTask.getDevFailed();
}
}
protected DeviceProxy createTangoUnit() throws DevFailed, TimeoutException {
DeviceProxy result = null;
DeviceData data = proxy.command_inout("CreateDevice");
result = new DeviceProxy(data.extractString());
WaitStateUtilities.waitForState(result, DevState.STANDBY, 20000);
return result;
}
private DeviceData executeCommand(
final String cmdAttribute, final String originalCommand, final DeviceData cmdData) {
try {
final String timeout = System.getProperty("org.dawb.tango.spec.command.timeout");
tangoProxy.set_timeout_millis(
timeout != null ? Integer.parseInt(timeout) : Integer.MAX_VALUE);
DeviceData ret = tangoProxy.command_inout(cmdAttribute, cmdData);
// For fast scans this returns before the spec events have finished being sent
// over by tango.
while ((System.currentTimeMillis() - lastEvent) < 1000)
try {
Thread.sleep(500); // Fudge
} catch (InterruptedException e) {
e.printStackTrace();
}
TangoConnectionEvent event =
new TangoConnectionEvent(
TangoConnectionImpl.this, new TangoMockEvent(), "Finished '" + originalCommand + "'");
event.setFinished(true);
fireTangoConnectionListeners(event);
return ret;
} catch (DevFailed e) {
TangoConnectionEvent event =
new TangoConnectionEvent(
TangoConnectionImpl.this, new TangoMockEvent(), "Failed '" + originalCommand + "'");
if (e.errors != null && e.errors.length > 0) {
event.setErrorMessage(e.errors[e.errors.length - 1].desc);
} else {
event.setErrorMessage(e.getLocalizedMessage());
}
event.setFinished(true);
fireTangoConnectionListeners(event);
return null;
}
}
@Override
public void setValue(DeviceAttribute value) throws Exception {
if (attributeName == null) throw new NullPointerException("Cannot read attribute " + null);
tangoProxy.write_attribute(value); // Does not block for spec motors!
// TODO Talk to Andy about blocking until setValue has completed? Spec does not...
// For now we check value
// FIXME
// START BODGE WARNING
try {
Thread.sleep(50); // Fudge incase tango is not blocking properly again.
} catch (Exception ignored) {
}
try {
double current = getValue().extractDouble();
double required = value.extractDouble();
double tolerance = 0.001; // That does not really work!!
int total = 0;
while (current > (required + tolerance) || current < (required - tolerance)) {
if (total > 5000) {
logger.error("TIMEOUT: Cannot set motor value " + getUri() + " synchronously!");
return;
}
try {
Thread.sleep(200);
} catch (Exception ne) {
break;
}
total += 200;
current = getValue().extractDouble();
}
} catch (Exception ignored) {
return;
}
// END BODGE WARNING
}
@Override
public DeviceAttribute getValue() throws Exception {
if (attributeName == null) throw new NullPointerException("Cannot read attribute " + null);
return tangoProxy.read_attribute(attributeName);
}
protected void releaseTangoUnit(String device) throws DevFailed {
DeviceData argin = new DeviceData();
argin.insert(device);
proxy.command_inout("ReleaseDevice", argin);
}