public void fire() throws IllegalActionException {
super.fire();
log.debug("\n\n\n--- fire");
try {
String ce = opendapCEParameter.getExpression();
log.debug("Constraint Expression: " + ce);
ce = createCEfromWiredPorts(ce);
log.debug("Using CE: " + ce);
DDS dds = dapConnection.getData(ce);
// log.debug("fire(): dapConnection.getData(ce) returned DataDDS:");
// dds.print(System.out);
log.debug("Squeezing arrays.");
squeezeArrays(dds);
log.debug("Broadcasting DAP data arrays.");
broadcastDapData(dds);
// log.debug("fire(): After data broadcast:");
// dds.print(System.out);
} catch (Exception e) {
log.error("fire() Failed: ", e);
}
}
/**
* @param attribute The changed Attribute.
* @throws ptolemy.kernel.util.IllegalActionException When bad things happen.
*/
public void attributeChanged(ptolemy.kernel.util.Attribute attribute)
throws ptolemy.kernel.util.IllegalActionException {
log.debug("attributeChanged() start.");
if (attribute == opendapURLParameter || attribute == opendapCEParameter) {
String url = opendapURLParameter.getExpression();
String ce = opendapCEParameter.getExpression();
if (attribute == opendapURLParameter)
log.debug("--- attributeChanged() url: " + url + " Current URL: " + opendapURL);
if (attribute == opendapCEParameter)
log.debug("--- attributeChanged() ce: \"" + ce + "\" Current CE: \"" + opendapCE + "\"");
boolean reload = false;
if (!opendapURL.equals(url)) {
opendapURL = url;
// only reload if not empty.
if (!url.equals("")) {
reload = true;
}
}
if (!opendapCE.equals(ce)) {
opendapCE = ce;
// *** I think this should test if url.equals(""). jhrg
reload = true;
}
if (reload) {
try {
log.debug("OPeNDAP URL: " + opendapURL);
dapConnection = new DConnect2(opendapURL);
DDS dds = dapConnection.getDDS(opendapCE);
log.debug("Got DDS.");
// dds.print(System.out);
log.debug("Squeezing arrays.");
squeezeArrays(dds);
// log.debug("Before ports configured.");
// dds.print(System.out);
log.debug("Configuring ports.");
configureOutputPorts(dds);
// log.debug("After ports configured.");
// dds.print(System.out);
} catch (Exception e) {
e.printStackTrace();
throw new IllegalActionException(
"Problem accessing " + "OPeNDAP Data Source: " + e.getMessage());
}
}
}
// *** Remove the ODC option. jhrg
else if (attribute == runODC) {
BooleanToken token = (BooleanToken) runODC.getToken();
if (token.booleanValue()) {
// start ODC in separate thread
ODCThread tr = new ODCThread();
tr.start();
runODC.setExpression("false");
}
}
}