Package de.akquinet.jbosscc.guttenbase.mapping

Interface ColumnMapper

All Known Implementing Classes:

DefaultColumnMapper, DroppingColumnMapper

public interface ColumnMapper

Select target column(s) for given source column. Usually, this will a 1:1 relationship. However, there may be situations where you want to duplicate or transform data into multiple columns. You also may want to drop columns from the source database.

© 2012-2034 akquinet tech@spree

Author:

M. Dahm

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ColumnMapper.ColumnMapperResult

Method Summary

Modifier and Type	Method	Description
ColumnMapper.ColumnMapperResult	map(ColumnMetaData source, TableMetaData targetTableMetaData)	Return matching columns in target table.
String	mapColumnName(ColumnMetaData source, TableMetaData targetTableMetaData)	Map the way column names are used in statements.

Method Detail

map

ColumnMapper.ColumnMapperResult map(ColumnMetaData source,
                                    TableMetaData targetTableMetaData)

Return matching columns in target table. Must not be NULL.

mapColumnName

String mapColumnName(ColumnMetaData source,
                     TableMetaData targetTableMetaData)

Map the way column names are used in statements. Usually you won't need that, but sometimes you want to map the names, e.g. to add `name` backticks, in order to escape special characters such as white space.