Package de.akquinet.jbosscc.guttenbase.export.zip

Class ZipExporter

java.lang.Object

de.akquinet.jbosscc.guttenbase.export.zip.ZipExporter

All Implemented Interfaces:

Exporter

public class ZipExporter
extends Object
implements Exporter

Export schema information and data into executable JAR file. Since it is in ZIP file format the resulting file may as well be inspected with a ZIP tool. The structure of the ZIP is based on the structure of a data base.

© 2012-2034 akquinet tech@spree

Author:

M. Dahm Hint is used by ZipExporterClassResourcesHint to add custom classes to the generated JAR and configure the META-INF/MANIFEST.MF Main-Class entry Hint is used by ExportDumpExtraInformationHint to add custom information to the generated JAR

Constructor Summary

Constructors

Constructor	Description
ZipExporter()

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 tableMetaData)	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

ZipExporter

public ZipExporter()

Method Detail

initializeExport

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

Start exporting to a file.

Specified by:

initializeExport in interface Exporter

Throws:

IOException

finishExport

public void finishExport()
                  throws Exception

Finish export

Specified by:

finishExport in interface Exporter

Throws:

Exception

writeDatabaseMetaData

public void writeDatabaseMetaData(DatabaseMetaData databaseMetaData)
                           throws IOException,
                                  SQLException

Dump database information

Specified by:

writeDatabaseMetaData in interface Exporter

Throws:

IOException

SQLException

writeTableHeader

public void writeTableHeader(ExportTableHeader exportTableHeader)
                      throws IOException,
                             SQLException

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.

Does nothing.

Specified by:

writeTableHeader in interface Exporter

Throws:

IOException

SQLException

initializeWriteTableData

public void initializeWriteTableData(TableMetaData tableMetaData)
                              throws IOException

Called before copying of a table starts.

Open new ZIP entry. Data will be written to a temporary file first, because otherwise it may exceed the memory.

Specified by:

initializeWriteTableData in interface Exporter

Throws:

IOException

finalizeWriteTableData

public void finalizeWriteTableData(TableMetaData table)
                            throws IOException

Called after copying of a table ends.

Close current ZIP entry.

Specified by:

finalizeWriteTableData in interface Exporter

Throws:

IOException

initializeWriteRowData

public void initializeWriteRowData(TableMetaData table)

Called before copying of a table row starts.

Does nothing.

Specified by:

initializeWriteRowData in interface Exporter

finalizeWriteRowData

public void finalizeWriteRowData(TableMetaData table)

Called after copying of a table row ends.

Does nothing.

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