cn.ponfee.disjob.common.util

类 Fields

java.lang.Object

cn.ponfee.disjob.common.util.Fields

public final class Fields
extends Object

高效的反射工具类（基于sun.misc.Unsafe）

作者:

Ponfee

构造器概要

构造器

构造器和说明
Fields()

方法概要

限定符和类型	方法和说明
static long	addressOf(Object obj)
static long	addressOf(Object[] array, int index) Returns the object reference pointer address of jvm
static Object	get(Object target, Field field) get field of target object
static Object	get(Object target, String name) get field of target object
static Object	getVolatile(Object target, Field field) 支持volatile语义
static Object	getVolatile(Object target, String name) 支持volatile语义
static void	put(Object target, Field field, Object value) put field to target object
static void	put(Object target, String name, Object value) put field to target object
static void	putIfNull(Object target, Field field, Object value) put field to target object if value is null
static void	putIfNull(Object target, String name, Object value) put field to target object if value is null
static void	putVolatile(Object target, Field field, Object value) put of volatile

从类继承的方法 java.lang.Object

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

构造器详细资料

Fields

public Fields()

方法详细资料

addressOf

public static long addressOf(Object obj)

addressOf

public static long addressOf(Object[] array,
                             int index)

Returns the object reference pointer address of jvm

参数:

array - the obj array

index - the array position

返回:

reference pointer address

put

public static void put(Object target,
                       String name,
                       Object value)

put field to target object

参数:

target - 目标对象

name - 字段名

value - 字段值

putIfNull

public static void putIfNull(Object target,
                             String name,
                             Object value)

put field to target object if value is null

参数:

target - 目标对象

name - 字段名

value - 字段值

putIfNull

public static void putIfNull(Object target,
                             Field field,
                             Object value)

put field to target object if value is null

参数:

target -

field -

value -

put

public static void put(Object target,
                       Field field,
                       Object value)

put field to target object

参数:

target - target object

field - object field

value - field value

get

public static Object get(Object target,
                         String name)

get field of target object

参数:

target - 目标对象

name - field name

返回:

the field value

get

public static Object get(Object target,
                         Field field)

get field of target object

参数:

target - 目标对象

field - 字段

返回:

putVolatile

public static void putVolatile(Object target,
                               Field field,
                               Object value)

put of volatile

参数:

target -

field -

value -

getVolatile

public static Object getVolatile(Object target,
                                 String name)

支持volatile语义

参数:

target -

name -

返回:

getVolatile

public static Object getVolatile(Object target,
                                 Field field)

支持volatile语义

参数:

target -

field -

返回: