/* (non-Javadoc)
* @see au.gov.ansto.bragg.quokka.dra.core.ConcreteProcessor#process()
*/
public Boolean process() throws Exception {
// TODO Auto-generated method stub
// if (histogramViewer_interval.doubleValue() != interval.doubleValue()){
// System.out.println("oldValue=" + interval + " newValue=" + histogramViewer_interval);
// setInterval(histogramViewer_interval);
// System.out.println("set the interval to " + interval);
// return true;
// }
retriever = new LiveDataRetriever();
retriever.setUser("Gumtree");
retriever.setPassword("Gumtree");
// histogramViewer_host = "localhost";
if (histogramViewer_host.equals("default")) {
ICommandLineOptions options = ServiceUtils.getService(ICommandLineOptions.class);
if (options.hasOptionValue(OPTION_SICS_INSTRUMENT)) {
String instrumentName = options.getOptionValue(OPTION_SICS_INSTRUMENT);
instrumentName = instrumentName.substring(instrumentName.lastIndexOf(".") + 1);
histogramViewer_host = "das1-" + instrumentName + ".nbi.ansto.gov.au";
}
}
// histogramViewer_host = "localhost";
//
URI fileHandle = null;
try {
// fileHandle = retriever.getHDFFileHandle("localhost", 8081, HistogramType.TOTAL_HISTO_XY);
fileHandle =
retriever.getHDFFileHandle(
histogramViewer_host, histogramViewer_port, HistogramType.TOTAL_HISTO_XY);
} catch (Exception e) {
// TODO Auto-generated catch block
try {
fileHandle = retriever.getHDFFileHandle("localhost", 8080, HistogramType.TOTAL_HISTO_XY);
} catch (Exception e1) {
// TODO: handle exception
throw e1;
}
// e.printStackTrace();
// return "can not make the connection";
}
// Test if file is physically available
System.out.println("wait for " + histogramViewer_interval + "sec");
try {
Thread.sleep((long) (histogramViewer_interval * 1000));
} catch (Exception e) {
// TODO: handle exception
throw e;
}
System.out.println(fileHandle);
histogramViewer_data =
((NcGroup)
DataManagerFactory.getDataManager(
ConverterLib.getDictionaryPath(Activator.PLUGIN_ID))
.getGroup(fileHandle))
.getFirstEntryAccess();
histogramViewer_loopOut = !histogramViewer_stop;
return histogramViewer_stop;
}
private String findPluginID() {
String pluginId = DEFAULT_DRA_PLUGIN;
ICommandLineOptions options = ServiceUtils.getService(ICommandLineOptions.class);
if (null != options) {
if (options.hasOptionValue(OPTION_ALGO_SET)) {
pluginId = options.getOptionValue(OPTION_ALGO_SET);
}
}
return pluginId;
}
public Boolean process() throws Exception {
retriever = new LiveDataRetriever();
retriever.setUser("Gumtree");
retriever.setPassword("Gumtree");
/* 'serverName' is one of the option strings, usually predefined by the algorithm,
* and including the "default" option.
* 'server' is the string for the actual server host name
*/
String server = serverName;
if (serverName.equals("default")) {
ICommandLineOptions options = ServiceUtils.getService(ICommandLineOptions.class);
if (options.hasOptionValue(OPTION_SICS_INSTRUMENT)) {
String instrumentName = options.getOptionValue(OPTION_SICS_INSTRUMENT);
server = instrumentName.substring(instrumentName.lastIndexOf(".") + 1);
server = "das1-" + server + ".nbi.ansto.gov.au";
}
}
URI fileHandle = null;
try {
fileHandle = retriever.getHDFFileHandle(server, serverPort, HistogramType.TOTAL_HISTO_XY);
} catch (Exception e) {
try {
fileHandle =
retriever.getHDFFileHandle("localhost", serverPort, HistogramType.TOTAL_HISTO_XY);
} catch (Exception e1) {
throw e1;
}
debugging("Cannot establish server connection");
}
// Test if file is physically available
long sleepTime;
if (isFirst) {
sleepTime = 2000;
isFirst = false;
} else {
sleepTime = (long) (pollInterval * 1000);
}
try {
debugging("> wait for " + sleepTime + " milliseconds");
Thread.sleep(sleepTime);
} catch (Exception e) {
throw e;
}
doStop = doStop || (null == fileHandle);
if (doStop) {
debugging("> Manual Stop or filehandle not available");
} else {
debugging("> filehandle: " + fileHandle);
histogram = fetchHistogram(fileHandle);
}
if (null == histogram) {
debugging("> histogram: null");
doStop = true;
histogram = Factory.createGroup("empty");
}
outLoop = !doStop;
return doStop;
}
