gnu.kawa.reflect
Class ClassMemberLocation

java.lang.Object
  gnu.mapping.Location
      gnu.kawa.reflect.ClassMemberLocation

Direct Known Subclasses:

FieldLocation

public class ClassMemberLocation
extends Location

A Location whose value is that of a named field/method of an object. The object is used as the owning Location's value. (For now, only fields are supported.)

Field Summary

Fields inherited from class gnu.mapping.Location

UNBOUND

Constructor Summary

ClassMemberLocation(java.lang.Object instance, java.lang.Class clas, java.lang.String mname)

ClassMemberLocation(java.lang.Object instance, ClassType type, java.lang.String mname)

ClassMemberLocation(java.lang.Object instance, java.lang.reflect.Field field)

Method Summary

static void	define(java.lang.Object instance, java.lang.reflect.Field rfield, java.lang.String uri, Language language, Environment env)
static void	defineAll(java.lang.Object instance, Environment env) Import all the public fields of an object.
java.lang.Object	get(java.lang.Object defaultValue)
ClassType	getDeclaringClass()
java.lang.Object	getInstance()
java.lang.String	getMemberName()
java.lang.reflect.Field	getRField()
boolean	isBound()
boolean	isConstant()
void	set(java.lang.Object value)
void	setInstance(java.lang.Object obj)

Methods inherited from class gnu.mapping.Location

entered, get, getBase, getKeyProperty, getKeySymbol, getValue, make, make, make, print, setRestore, setValue, setWithSave, toString, undefine

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassMemberLocation

public ClassMemberLocation(java.lang.Object instance,
                           ClassType type,
                           java.lang.String mname)

ClassMemberLocation

public ClassMemberLocation(java.lang.Object instance,
                           java.lang.Class clas,
                           java.lang.String mname)

ClassMemberLocation

public ClassMemberLocation(java.lang.Object instance,
                           java.lang.reflect.Field field)

Method Detail

getInstance

public final java.lang.Object getInstance()

setInstance

public final void setInstance(java.lang.Object obj)

getMemberName

public java.lang.String getMemberName()

getDeclaringClass

public ClassType getDeclaringClass()

getRField

public java.lang.reflect.Field getRField()

get

public java.lang.Object get(java.lang.Object defaultValue)

Specified by:

get in class Location

isConstant

public boolean isConstant()

Overrides:

isConstant in class Location

isBound

public boolean isBound()

Overrides:

isBound in class Location

set

public void set(java.lang.Object value)

Specified by:

set in class Location

define

public static void define(java.lang.Object instance,
                          java.lang.reflect.Field rfield,
                          java.lang.String uri,
                          Language language,
                          Environment env)
                   throws java.lang.IllegalAccessException

Throws:

java.lang.IllegalAccessException

defineAll

public static void defineAll(java.lang.Object instance,
                             Environment env)
                      throws java.lang.IllegalAccessException

Import all the public fields of an object.

Throws:

java.lang.IllegalAccessException