net.ontopia.topicmaps.db2tm
Class JDBCDataSource

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

All Implemented Interfaces:

DataSourceIF

public class JDBCDataSource
extends Object
implements DataSourceIF

INTERNAL: Data source that reads tables via JDBC.

Field Summary

protected String	catalog
protected Connection	conn
protected RelationMapping	mapping
protected String	propfile
protected String	schemaPattern
protected String	tableNamePattern

Constructor Summary

JDBCDataSource(RelationMapping mapping)

JDBCDataSource(RelationMapping mapping, Connection conn)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

mapping

protected RelationMapping mapping

propfile

protected String propfile

catalog

protected String catalog

schemaPattern

protected String schemaPattern

tableNamePattern

protected String tableNamePattern

conn

protected Connection conn

Constructor Detail

JDBCDataSource

public JDBCDataSource(RelationMapping mapping)

JDBCDataSource

public JDBCDataSource(RelationMapping mapping,
                      Connection conn)

Method Detail

getConnection

protected Connection getConnection()

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

getRelations

public 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(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,
                                            String startOrder)

Description copied from interface: DataSourceIF

INTERNAL: Returns a changelog reader.

Specified by:

getChangelogReader in interface DataSourceIF

getMaxOrderValue

public 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

toString

public String toString()

Overrides:

toString in class Object