Class ConstantReference<T>

java.lang.Object

io.github.cowwoc.pouch10.core.ConstantReference<T>

Type Parameters:

T - the type of value returned by the reference

All Implemented Interfaces:

Reference<T>

public final class ConstantReference<T>
extends Object
implements Reference<T>

A Reference that returns a pre-existing value.

The implementation is thread-safe.

Constructor Summary

Constructors

Constructor	Description
ConstantReference(T value)	Creates a new ConstantReference.

Method Summary

Modifier and Type	Method	Description
T	getValue()	Returns the value.
boolean	isInitialized()	Indicates if the value was initialized.

Methods inherited from class java.lang.Object

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

Constructor Details

ConstantReference

public ConstantReference(T value)

Creates a new ConstantReference.

Parameters:

value - the value

Method Details

getValue

public T getValue()

Description copied from interface: Reference

Returns the value. Subsequent invocations of this method return the same value.

Specified by:

getValue in interface Reference<T>

Returns:

an object of type <T>

isInitialized

public boolean isInitialized()

Description copied from interface: Reference

Indicates if the value was initialized.

A value may get initialized immediately after this method returns false but once it returns true it will continue to do so indefinitely.

Specified by:

isInitialized in interface Reference<T>

Returns:

true if the value was initialized