com.jenkov.mrpersister.itf.mapping
Interface IKeyValue

All Known Implementing Classes:

KeyValue

public interface IKeyValue

This interface represents a concrete compound key. You can add values for each column in the key.

Author:

Jakob Jenkov - Copyright 2005 Jenkov Development

Method Summary

void	addColumnValue(java.lang.String column, java.lang.Object value) Adds a value to a column of this key.
java.lang.Object	getColumnValue(java.lang.String column) Returns the value for the given column.
java.util.Map	getColumnValues() Returns a map of all column values in this key value.
void	removeColumnValue(java.lang.String column) Removes a column value from this key value.

Method Detail

addColumnValue

void addColumnValue(java.lang.String column,
                    java.lang.Object value)

Adds a value to a column of this key.

Parameters:

column - The column to specify the value of.

value - The column value.

removeColumnValue

void removeColumnValue(java.lang.String column)

Removes a column value from this key value.

Parameters:

column - The column to remove the value of.

getColumnValue

java.lang.Object getColumnValue(java.lang.String column)

Returns the value for the given column. If there is no value for that column null is returned.

Parameters:

column - The column to return the value of.

Returns:

The column value if present. Otherwise null.

getColumnValues

java.util.Map getColumnValues()

Returns a map of all column values in this key value.

Returns:

A map of all column values in this key value.