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

Interface PojoPropertyAccessorIndexedNonArg

All Superinterfaces:

PojoAttributeName, PojoPropertyAccessor

All Known Implementing Classes:

PojoPropertyAccessorIndexedNonArgMethod, PojoPropertyAccessorProxyGetIndexed

public interface PojoPropertyAccessorIndexedNonArg
extends PojoPropertyAccessor

This is the interface for a property-accessor that allows to perform something (e.g. get or remove) for a given index of an indexed property.

Since:

1.1.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Method Summary

Modifier and Type	Method and Description
PojoPropertyAccessorIndexedNonArgMode	getMode() This method gets the mode of this accessor.
Object	invoke(Object pojoInstance, int index) 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, getAccessibleObjectName, getDeclaringClass, getModifiers, getPropertyClass, getPropertyType, getReturnClass, getReturnType

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

getName

Method Detail

getMode

PojoPropertyAccessorIndexedNonArgMode getMode()

Description copied from interface: PojoPropertyAccessor

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)
       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 (e.g. where to get or remove an item).

Returns:

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

Throws:

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