FieldHandle (Tapestry API - 5.7.2)乐学网一站式学习平台

All Known Implementing Classes:

FieldHandleImpl
```
public interface FieldHandle
```
Allows read/write access directly to a field (bypassing accessors). Does not use reflection, even if the field is private (the normal case for Plastic classes).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Object`	`get(Object instance)`	Gets the current value of the field.
`void`	`set(Object instance, Object newValue)`	Updates the current value of the field.

- Method Detail
  - get
```
Object get(Object instance)
```
    Gets the current value of the field. If the field is a primitive value, then the primitive will be wrapped.
    
    Throws:
    
    NullPointerException - if the instance is null
    
    ClassCastException - if the instance is not the type that contains the field
  - set
```
void set(Object instance,
         Object newValue)
```
    Updates the current value of the field. If the field is a primitive value, then the newValue will be unwrapped automatically.
    
    Throws:
    
    NullPointerException - if the instance is null
    
    NullPointerException - if the newValue is null and the field is a primitive type
    
    ClassCastException - if the instance is not the type that contains the field
    
    ClassCastException - if the newValue is not assignable to the field type (or not the matching wrapper type for a primitive field)