public Sample snapshotTake(Snapshot snapshot)
throws CommunicationException, DataTypeUnsupportedException {
Sample s = null;
this.checkConnection();
try {
String xmlSnapshot = snapshotSerializer.serializeSnapshot(snapshot);
String xmlSample = this.jniSnapshotTake(xmlSnapshot);
this.checkConnection();
s = untypedSampleDeserializer.deserializeSample(xmlSample, snapshot.getUserDataType());
} catch (TransformationException e) {
throw new CommunicationException("Could not take from snapshot.");
} catch (CMException ce) {
throw new CommunicationException(ce.getMessage());
}
return s;
}
public Sample readerTake(Reader reader)
throws CommunicationException, DataTypeUnsupportedException {
Sample result = null;
this.checkConnection();
try {
String xmlEntity = entitySerializer.serializeEntity(reader);
String xmlSample = this.jniReaderTake(xmlEntity);
this.checkConnection();
result = untypedSampleDeserializer.deserializeSample(xmlSample, reader.getDataType());
} catch (CMException e) {
throw new CommunicationException(e.getMessage());
} catch (TransformationException e) {
throw new CommunicationException("Could not take sample.");
}
return result;
}
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;
}