org.datanucleus.store.schema.table

Interface MemberColumnMapping

All Known Implementing Classes:

MemberColumnMappingImpl

public interface MemberColumnMapping

Mapping definition for a member (field/property) representing the column(s) that it maps to. This class is required as an intermediary between Table and Column so that we can support mapping a member to multiple columns.

Method Summary

Modifier and Type	Method and Description
Column	getColumn(int position) Accessor for the column at the specified position.
Column[]	getColumns() Accessor for the columns representing this member.
AbstractMemberMetaData	getMemberMetaData()
int	getNumberOfColumns() Accessor for the number of columns that represents this member.
TypeConverter	getTypeConverter()
void	setTypeConverter(TypeConverter typeConv)

Method Detail

getMemberMetaData

AbstractMemberMetaData getMemberMetaData()

getColumn

Column getColumn(int position)

Accessor for the column at the specified position. 0 is the first column. If the position is out of range then returns null;

Parameters:

position - The position, with origin 0

Returns:

The Column

getColumns

Column[] getColumns()

Accessor for the columns representing this member.

Returns:

The columns

getNumberOfColumns

int getNumberOfColumns()

Accessor for the number of columns that represents this member.

Returns:

Number of columns

setTypeConverter

void setTypeConverter(TypeConverter typeConv)

getTypeConverter

TypeConverter getTypeConverter()