org.jruby.runtime.ivars

Class FieldVariableAccessor

java.lang.Object

org.jruby.runtime.ivars.VariableAccessor

org.jruby.runtime.ivars.FieldVariableAccessor

Direct Known Subclasses:

RawFieldVariableAccessor

public class FieldVariableAccessor
extends VariableAccessor

A variable accessor that accesses a field directly;

Field Summary

Fields inherited from class org.jruby.runtime.ivars.VariableAccessor

classId, DUMMY_ACCESSOR, index, name, realClass

Constructor Summary

Constructors

Constructor and Description
FieldVariableAccessor(RubyClass realClass, java.lang.String name, int index, int classId, java.lang.invoke.MethodHandle getter, java.lang.invoke.MethodHandle setter) Construct a new FieldVariableAccessor for the given "real" class, variable name, variable index, class ID, and field offset

Method Summary

Modifier and Type	Method and Description
java.lang.Object	get(java.lang.Object object) Retrieve the variable's value from the given object.
java.lang.invoke.MethodHandle	getGetter()
java.lang.invoke.MethodHandle	getSetter()
void	set(java.lang.Object object, java.lang.Object value) Set this variable into the given object using Unsafe to ensure safe updating of the variable table.
protected java.lang.invoke.MethodHandle	wrapSetter(java.lang.invoke.MethodHandle setter)

Methods inherited from class org.jruby.runtime.ivars.VariableAccessor

getClassId, getIndex, getName, getVariable, toString, verify

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldVariableAccessor

public FieldVariableAccessor(RubyClass realClass,
                             java.lang.String name,
                             int index,
                             int classId,
                             java.lang.invoke.MethodHandle getter,
                             java.lang.invoke.MethodHandle setter)

Construct a new FieldVariableAccessor for the given "real" class, variable name, variable index, class ID, and field offset

Parameters:

realClass - the "real" class

name - the variable's name

index - the variable's index

classId - the class's ID

getter - the getter handle for the field

setter - the setter handle for the field

Method Detail

wrapSetter

protected java.lang.invoke.MethodHandle wrapSetter(java.lang.invoke.MethodHandle setter)

getGetter

public java.lang.invoke.MethodHandle getGetter()

getSetter

public java.lang.invoke.MethodHandle getSetter()

get

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

Retrieve the variable's value from the given object.

Overrides:

get in class VariableAccessor

Parameters:

object - the object from which to retrieve this variable

Returns:

the variable's value

set

public void set(java.lang.Object object,
                java.lang.Object value)

Set this variable into the given object using Unsafe to ensure safe updating of the variable table.

Overrides:

set in class VariableAccessor

Parameters:

object - the object into which to set this variable

value - the variable's value