net.sf.mmm.util.pojo.descriptor.api.accessor
Interface PojoPropertyAccessorIndexedOneArg

All Superinterfaces:

PojoAttributeName, PojoPropertyAccessor

All Known Implementing Classes:

PojoPropertyAccessorIndexedOneArgMethod, PojoPropertyAccessorProxySetIndexed

public interface PojoPropertyAccessorIndexedOneArg
extends PojoPropertyAccessor

This is the interface for a property-accessor that allows to apply an item at a given index in an indexed property.

Since:

1.1.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Method Summary

PojoPropertyAccessorIndexedOneArgMode	getMode() This method gets the mode of this accessor.
Object	invoke(Object pojoInstance, int index, Object item) This method invokes the according property-method of pojoInstance with the given arguments.

Methods inherited from interface net.sf.mmm.util.pojo.descriptor.api.accessor.PojoPropertyAccessor

getAccessibleObject, getDeclaringClass, getModifiers, getPropertyClass, getPropertyType, getReturnClass, getReturnType

Methods inherited from interface net.sf.mmm.util.pojo.descriptor.api.attribute.PojoAttributeName

getName

Method Detail

getMode

PojoPropertyAccessorIndexedOneArgMode getMode()

This method gets the mode of this accessor.

Specified by:

getMode in interface PojoPropertyAccessor

Returns:

the access mode.

invoke

Object invoke(Object pojoInstance,
              int index,
              Object item)
              throws ReflectionException

This method invokes the according property-method of pojoInstance with the given arguments.

Parameters:

pojoInstance - is the instance of the POJO where to access the property. Has to be an instance of the type from where this accessor was created for.

index - is the position in the indexed property where to apply (e.g. set or insert) the given item.

item - is the value to apply (e.g. set or insert) as element of the indexed property.

Returns:

the result of the invocation. Will be null if void (e.g. regular setter method).

Throws:

ReflectionException - if the underlying accessor caused an error during reflection.