org.apache.commons.jexl.util.introspection
Interface VelPropertySet

All Known Implementing Classes:

UberspectImpl.VelSetterImpl

public interface VelPropertySet

Interface used for setting values that appear to be properties in Velocity. Ex. #set($foo.bar = "hello")

Since:

1.0

Version:

$Id: VelPropertySet.java 398515 2006-05-01 03:46:33Z dion $

Method Summary

String	getMethodName() returns the method name used to set this 'property'.
Object	invoke(Object o, Object arg) method used to set the value in the object.
boolean	isCacheable() specifies if this VelPropertySet is cacheable and able to be reused for this class of object it was returned for.

Method Detail

invoke

public Object invoke(Object o,
                     Object arg)
              throws Exception

method used to set the value in the object.

Parameters:

o - Object on which the method will be called with the arg

arg - value to be set

Returns:

the value returned from the set operation (impl specific)

Throws:

Exception - on any error.

isCacheable

public boolean isCacheable()

specifies if this VelPropertySet is cacheable and able to be reused for this class of object it was returned for.

Returns:

true if can be reused for this class, false if not

getMethodName

public String getMethodName()

returns the method name used to set this 'property'.

Returns:

the method name.