org.apache.commons.betwixt.expression
Class MapEntryAdder

java.lang.Object
  org.apache.commons.betwixt.expression.MapEntryAdder

public class MapEntryAdder
extends java.lang.Object

MapEntryAdder is used to add entries to a map.

MapEntryAdder supplies two updaters:

• getKeyUpdater() which allows the entry key to be updated
• getValueUpdater() which allows the entry value to be updated

When both of these updaters have been called, the entry adder method is called. Once this has happened then the values can be updated again. Note that only the Context passed by the last update will be used.

Since:

0.5

Author:

Robert Burrell Donkin

Constructor Summary

MapEntryAdder(java.lang.reflect.Method method)
Construct a MapEntryAdder which adds entries to given method.

Method Summary

Updater	getKeyUpdater() Gets the entry key Updater.
Updater	getValueUpdater() Gets the entry value Updater.
static void	setLog(org.apache.commons.logging.Log newLog) Sets the logger used by this class.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapEntryAdder

public MapEntryAdder(java.lang.reflect.Method method)

Construct a MapEntryAdder which adds entries to given method.

Parameters:

method - the Method called to add a key-value entry

Throws:

java.lang.IllegalArgumentException - if the given method does not take two parameters

Method Detail

setLog

public static void setLog(org.apache.commons.logging.Log newLog)

Sets the logger used by this class.

Parameters:

newLog - log to this

getKeyUpdater

public Updater getKeyUpdater()

Gets the entry key Updater. This is used to update the entry key value to the read value. If getValueUpdater() has been called previously, then this trigger the updating of the adder method.

Returns:

the Updater which should be used to populate the entry key

getValueUpdater

public Updater getValueUpdater()

Gets the entry value Updater. This is used to update the entry key value to the read value. If getKeyUpdater() has been called previously, then this trigger the updating of the adder method.

Returns:

the Updater which should be used to populate the entry value