edu.unh.sdb.datasource
Class OneDDataSink

java.lang.Object
  edu.unh.sdb.datasource.DataSink
      edu.unh.sdb.datasource.OneDDataSink

Direct Known Subclasses:

BufferedOneDDataSink

public class OneDDataSink
extends DataSink

A 1D Datasink. If this class is used, then an IndexSpaceID cannot be passed to the write() method. Datums are simply written one after the other.

Field Summary

protected int

currentOffset

Fields inherited from class edu.unh.sdb.datasource.DataSink

axisWeights, bounds, datumSize, dimensionality, filename, numFields, ordering, raFile, recordDescriptor

Constructor Summary

OneDDataSink(java.lang.String filename, RecordDescriptor rd)

Method Summary

void	activate()
ISBounds	getBounds() For OneDDataSinks, this method returns a bounds constructed from the current position of the file pointer.
void	write(Datum d)
void	write(Datum d, IndexSpaceID id)

Methods inherited from class edu.unh.sdb.datasource.DataSink

close, computeOffset, computeOffset, deactivate, open

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

currentOffset

protected int currentOffset

Constructor Detail

OneDDataSink

public OneDDataSink(java.lang.String filename,
                    RecordDescriptor rd)

Method Detail

activate

public void activate()

Overrides:

activate in class DataSink

write

public void write(Datum d)

write

public void write(Datum d,
                  IndexSpaceID id)

Overrides:

write in class DataSink

getBounds

public ISBounds getBounds()

For OneDDataSinks, this method returns a bounds constructed from the current position of the file pointer. The file pointer may not be at the end of the file, so this value is not always meaningful.

Overrides:

getBounds in class DataSink