net.ontopia.topicmaps.db2tm
Class CSVDataSource

java.lang.Object
  net.ontopia.topicmaps.db2tm.CSVDataSource

All Implemented Interfaces:

DataSourceIF

public class CSVDataSource
extends java.lang.Object
implements DataSourceIF

INTERNAL: Data source that reads CSV files from a directory.

Method Summary

void	close() INTERNAL: Closes the data source so that it can release any open resources.
ChangelogReaderIF	getChangelogReader(Changelog changelog, java.lang.String startOrder) INTERNAL: Returns a changelog reader.
java.lang.String	getMaxOrderValue(Changelog changelog) INTERNAL: Returns the maximum value of the order column for the specified changelog.
TupleReaderIF	getReader(java.lang.String relation) INTERNAL: Returns a tuple reader for the given relation.
java.util.Collection	getRelations() INTERNAL: Returns the relations that the data source knows of.
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

getRelations

public java.util.Collection getRelations()

Description copied from interface: DataSourceIF

INTERNAL: Returns the relations that the data source knows of. The collection return contains Relation instances.

Specified by:

getRelations in interface DataSourceIF

getReader

public TupleReaderIF getReader(java.lang.String relation)

Description copied from interface: DataSourceIF

INTERNAL: Returns a tuple reader for the given relation.

Specified by:

getReader in interface DataSourceIF

getChangelogReader

public ChangelogReaderIF getChangelogReader(Changelog changelog,
                                            java.lang.String startOrder)

Description copied from interface: DataSourceIF

INTERNAL: Returns a changelog reader.

Specified by:

getChangelogReader in interface DataSourceIF

getMaxOrderValue

public java.lang.String getMaxOrderValue(Changelog changelog)

Description copied from interface: DataSourceIF

INTERNAL: Returns the maximum value of the order column for the specified changelog.

Specified by:

getMaxOrderValue in interface DataSourceIF

close

public void close()

Description copied from interface: DataSourceIF

INTERNAL: Closes the data source so that it can release any open resources.

Specified by:

close in interface DataSourceIF

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object