public Sample readerReadNext(Reader reader, GID instanceGID)
throws CommunicationException, DataTypeUnsupportedException {
Sample result = null;
this.checkConnection();
try {
String xmlEntity = entitySerializer.serializeEntity(reader);
String xmlSample =
this.jniReaderReadNext(
xmlEntity,
Long.toString(instanceGID.getLocalId()),
Long.toString(instanceGID.getSystemId()));
this.checkConnection();
result = untypedSampleDeserializer.deserializeSample(xmlSample, reader.getDataType());
} catch (CMException e) {
throw new CommunicationException(e.getMessage());
} catch (TransformationException e) {
throw new CommunicationException("Could not read next sample.");
}
return result;
}
/**
* Administrates the Sample info oof the supplied Sample. It replaces the possible previous info.
*
* @param data The Sample, which info must be administrated.
* @return true if the supplied Sample and its Message are not null, false otherwise.
*/
public boolean setData(Sample data) {
currentValue = data;
boolean success = false;
if (enabled) {
Message msg = data.getMessage();
int row = 0;
if (msg != null) {
State state = data.getState();
this.setValueAt(this.getSampleState(state), row++, 1);
this.setValueAt(this.getViewState(state), row++, 1);
this.setValueAt(this.getInstanceState(state), row++, 1);
this.setValueAt(this.getValidDataState(state), row++, 1);
this.setValueAt(Long.toString(data.getDisposeCount()), row++, 1);
this.setValueAt(Long.toString(data.getNoWritersCount()), row++, 1);
String date = "(" + new Date(data.getInsertTimeSec() * 1000) + ")";
this.setValueAt(
Long.toString(data.getInsertTimeSec())
+ "s. "
+ Long.toString(data.getInsertTimeNanoSec())
+ "ns. "
+ date,
row++,
1);
date = "(" + new Date(msg.getWriteTimeSec() * 1000) + ")";
this.setValueAt(
Long.toString(msg.getWriteTimeSec())
+ "s. "
+ Long.toString(msg.getWriteTimeNanoSec())
+ "ns. "
+ date,
row++,
1);
long sec = data.getInsertTimeSec() - msg.getWriteTimeSec();
long nsec = data.getInsertTimeNanoSec() - msg.getWriteTimeNanoSec();
if (nsec < 0) {
sec--;
String strNsec = Long.toString(nsec);
StringBuffer buf = new StringBuffer();
buf.append("1");
for (int i = 0; i < (strNsec.length() - 1); i++) {
buf.append("0");
}
String strOne = buf.toString();
long one = Long.parseLong(strOne);
/*Add up, because nsec is negative.*/
nsec = one + nsec;
}
this.setValueAt(Long.toString(sec) + "s. " + Long.toString(nsec) + "ns.", row++, 1);
GID gid = msg.getWriterGid();
if (gid != null) {
this.setValueAt(Long.toString(gid.getLocalId()), row++, 1);
this.setValueAt(Long.toString(gid.getSystemId()), row++, 1);
} else {
this.setValueAt("N/A", row++, 1);
this.setValueAt("N/A", row++, 1);
this.setValueAt("N/A", row++, 1);
}
gid = msg.getInstanceGid();
if (gid != null) {
this.setValueAt(Long.toString(gid.getLocalId()), row++, 1);
this.setValueAt(Long.toString(gid.getSystemId()), row++, 1);
} else {
this.setValueAt("N/A", row++, 1);
this.setValueAt("N/A", row++, 1);
this.setValueAt("N/A", row++, 1);
}
this.setValueAt(Long.toString(msg.getSampleSequenceNumber()), row++, 1);
if (msg.getQos() != null) {
this.setValueAt(msg.getQos().getReliabilityKind().toString(), row++, 1);
} else {
this.setValueAt("N/A", row++, 1);
}
success = true;
}
} else {
success = true;
}
return success;
}