Package de.akquinet.jbosscc.guttenbase.export.plain

Class PlainGzipExporter

java.lang.Object

de.akquinet.jbosscc.guttenbase.export.plain.PlainGzipExporter

All Implemented Interfaces:

Exporter

public class PlainGzipExporter
extends Object
implements Exporter

Export schema information and data into gzipped ObjectOutputStream file with serialized data.

© 2012-2034 akquinet tech@spree

Author:

M. Dahm

Constructor Summary

Constructors

Constructor	Description
PlainGzipExporter()

Method Summary

Modifier and Type	Method	Description
void	finalizeWriteRowData(TableMetaData table)	Called after copying of a table row ends.
void	finalizeWriteTableData(TableMetaData table)	Called after copying of a table ends.
void	finishExport()	Finish export
void	flush()	Resets the output stream which reduces memory foot print drastically.
void	initializeExport(ConnectorRepository connectorRepository, String connectorId, ExportDumpConnectorInfo exportDumpConnectionInfo)	Start exporting to a file.
void	initializeWriteRowData(TableMetaData table)	Called before copying of a table row starts.
void	initializeWriteTableData(TableMetaData table)	Called before copying of a table starts.
void	writeDatabaseMetaData(DatabaseMetaData databaseMetaData)	Dump database information
void	writeObject(Object obj)
void	writeTableHeader(ExportTableHeader exportTableHeader)	Write table header when executing an INSERT statement.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlainGzipExporter

public PlainGzipExporter()

Method Detail

initializeExport

public void initializeExport(ConnectorRepository connectorRepository,
                             String connectorId,
                             ExportDumpConnectorInfo exportDumpConnectionInfo)
                      throws Exception

Start exporting to a file.

Specified by:

initializeExport in interface Exporter

Throws:

Exception

finishExport

public void finishExport()
                  throws Exception

Finish export

Specified by:

finishExport in interface Exporter

Throws:

Exception

writeTableHeader

public void writeTableHeader(ExportTableHeader exportTableHeader)
                      throws IOException

Description copied from interface: Exporter

Write table header when executing an INSERT statement. This is necessary to mark where data for a given table starts since some tables may be skipped during import. The header is written only once in fact.

Specified by:

writeTableHeader in interface Exporter

Throws:

IOException

writeDatabaseMetaData

public void writeDatabaseMetaData(DatabaseMetaData databaseMetaData)
                           throws IOException

Description copied from interface: Exporter

Dump database information

Specified by:

writeDatabaseMetaData in interface Exporter

Throws:

IOException

initializeWriteTableData

public void initializeWriteTableData(TableMetaData table)

Description copied from interface: Exporter

Called before copying of a table starts.

Specified by:

initializeWriteTableData in interface Exporter

finalizeWriteTableData

public void finalizeWriteTableData(TableMetaData table)

Description copied from interface: Exporter

Called after copying of a table ends.

Specified by:

finalizeWriteTableData in interface Exporter

initializeWriteRowData

public void initializeWriteRowData(TableMetaData table)

Description copied from interface: Exporter

Called before copying of a table row starts.

Specified by:

initializeWriteRowData in interface Exporter

finalizeWriteRowData

public void finalizeWriteRowData(TableMetaData table)

Description copied from interface: Exporter

Called after copying of a table row ends.

Specified by:

finalizeWriteRowData in interface Exporter

flush

public void flush()
           throws IOException

Resets the output stream which reduces memory foot print drastically. See ObjectOutputStream.reset() for details.

Specified by:

flush in interface Exporter

Throws:

IOException

writeObject

public void writeObject(Object obj)
                 throws IOException

Specified by:

writeObject in interface Exporter

Throws:

IOException