org.apache.tapestry5.internal.plastic
Class PlasticClassHandleShim

java.lang.Object
  org.apache.tapestry5.internal.plastic.PlasticClassHandleShim

public abstract class PlasticClassHandleShim
extends Object

The interface for a "shim" class that provides the necessary hooks needed by FieldHandle and MethodHandle implementations for a particular, instantiated PlasticClass.

Constructor Summary

PlasticClassHandleShim()

Method Summary

Object	get(Object instance, int fieldIndex) Gets the field at the given index.
MethodInvocationResult	invoke(Object instance, int methodIndex, Object[] arguments) Invokes a method.
void	set(Object instance, int fieldIndex, Object newValue) Sets the value of a field.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlasticClassHandleShim

public PlasticClassHandleShim()

Method Detail

get

public Object get(Object instance,
                  int fieldIndex)

Gets the field at the given index.

Parameters:

instance - object to read instance field from

fieldIndex - assigned index for the field

Returns:

the field's value

See Also:

FieldHandle.get(Object)

set

public void set(Object instance,
                int fieldIndex,
                Object newValue)

Sets the value of a field.

Parameters:

instance - object to update instance field in

fieldIndex - assigned index for the field

newValue - new value for field

See Also:

FieldHandle.set(Object, Object)

invoke

public MethodInvocationResult invoke(Object instance,
                                     int methodIndex,
                                     Object[] arguments)

Invokes a method.

Parameters:

instance - object to invoke a method upon

methodIndex - assigned index for the method

arguments - arguments to pass to the method

Returns:

result of invoking the method