Package net.minidev.asm

Class BeansAccess<T>

java.lang.Object

net.minidev.asm.BeansAccess<T>

public abstract class BeansAccess<T>
extends Object

Allow access reflect field using runtime generated accessor. BeansAccessor is faster than java.lang.reflect.Method.invoke()

Author:

uriel Chemouni

Constructor Summary

Constructors

Constructor	Description
BeansAccess()

Method Summary

Modifier and Type	Method	Description
static <P> BeansAccess<P>	get(Class<P> type)	return the BeansAccess corresponding to a type
static <P> BeansAccess<P>	get(Class<P> type, FieldFilter filter)	return the BeansAccess corresponding to a type
abstract Object	get(T object, int methodIndex)	get field value by field index
Object	get(T object, String methodName)	get field value by field name
Accessor[]	getAccessors()
int	getIndex(String name)	Returns the index of the field accessor.
HashMap<String,Accessor>	getMap()
abstract T	newInstance()	create a new targeted object
abstract void	set(T object, int methodIndex, Object value)	set field value by field index
void	set(T object, String methodName, Object value)	set field value by field name
protected void	setAccessor(Accessor[] accs)

Methods inherited from class java.lang.Object

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

Constructor Detail

BeansAccess

public BeansAccess()

Method Detail

setAccessor

protected void setAccessor(Accessor[] accs)

Parameters:

accs - Accessor list

getMap

public HashMap<String,Accessor> getMap()

Returns:

a map

getAccessors

public Accessor[] getAccessors()

Returns:

Accessor list

get

public static <P> BeansAccess<P> get(Class<P> type)

return the BeansAccess corresponding to a type

Type Parameters:

P - working type

Parameters:

type - to be access

Returns:

the BeansAccess

get

public static <P> BeansAccess<P> get(Class<P> type,
                                     FieldFilter filter)

return the BeansAccess corresponding to a type

Type Parameters:

P - working type

Parameters:

filter - FieldFilter

type - to be access

Returns:

the BeansAccess

set

public abstract void set(T object,
                         int methodIndex,
                         Object value)

set field value by field index

Parameters:

object - object to alter

methodIndex - field id to update

value - new value

get

public abstract Object get(T object,
                           int methodIndex)

get field value by field index

Parameters:

object - object to operate

methodIndex - field number to operate

Returns:

value of the field

newInstance

public abstract T newInstance()

create a new targeted object

Returns:

new instance

set

public void set(T object,
                String methodName,
                Object value)

set field value by field name

Parameters:

object - target object

methodName - methodName

value - new field value

get

public Object get(T object,
                  String methodName)

get field value by field name

Parameters:

object - object to operate

methodName - getter to call

Returns:

field value returned by the getter

getIndex

public int getIndex(String name)

Returns the index of the field accessor.

Parameters:

name - field name

Returns:

id of the field