Module org.jruby.base

Package org.jruby.util.collections

Class ClassValue<T>

java.lang.Object

org.jruby.util.collections.ClassValue<T>

Type Parameters:

T - value

Direct Known Subclasses:

MapBasedClassValue

public abstract class ClassValue<T>
extends Object

Represents a cache or other mechanism for getting the Ruby-level proxy classes for a given Java class.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	ClassValue.Type

Field Summary

Fields

Modifier and Type	Field	Description
protected ClassValueCalculator<T>	calculator

Constructor Summary

Constructors

Constructor	Description
ClassValue(ClassValueCalculator<T> calculator)

Method Summary

Modifier and Type	Method	Description
void	clear()	Make a best effort to clear all references.
abstract T	get(Class<?> cls)
static <T> ClassValue<T>	newInstance(ClassValueCalculator<T> calculator)

Methods inherited from class java.lang.Object

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

Field Details

calculator

protected volatile ClassValueCalculator<T> calculator

Constructor Details

ClassValue

public ClassValue(ClassValueCalculator<T> calculator)

Method Details

get

public abstract T get(Class<?> cls)

clear

public void clear()

Make a best effort to clear all references. Best effort here is sometimes not easily achievable, if for example values are opaquely contained in a ClassValue instance that does not directly support global clearing.

newInstance

public static <T> ClassValue<T> newInstance(ClassValueCalculator<T> calculator)