org.graalvm.shadowed.com.ibm.icu.impl.coll

Class SharedObject.Reference<T extends SharedObject>

java.lang.Object

org.graalvm.shadowed.com.ibm.icu.impl.coll.SharedObject.Reference<T>

All Implemented Interfaces:

Cloneable

Enclosing class:

SharedObject

public static final class SharedObject.Reference<T extends SharedObject>
extends Object
implements Cloneable

Similar to a smart pointer, basically a port of the static methods of C++ SharedObject.

Constructor Summary

Constructors

Constructor and Description
Reference(T r)

Method Summary

Modifier and Type	Method and Description
void	clear()
SharedObject.Reference<T>	clone()
T	copyOnWrite() Returns a writable version of the reference.
protected void	finalize()
T	readOnly()

Methods inherited from class java.lang.Object

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

Constructor Detail

Reference

public Reference(T r)

Method Detail

clone

public SharedObject.Reference<T> clone()

Overrides:

clone in class Object

readOnly

public T readOnly()

copyOnWrite

public T copyOnWrite()

Returns a writable version of the reference. If there is exactly one owner, then the reference itself is returned. If there are multiple owners, then the reference is replaced with a clone, and that is returned.

clear

public void clear()

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable