Package org.apache.sis.util.collection

Class WeakValueHashMap.Wildcard

java.lang.Object

org.apache.sis.util.collection.WeakValueHashMap.Wildcard

Enclosing class:

WeakValueHashMap<K,V>

private static final class WeakValueHashMap.Wildcard
extends Object

Wildcard for WeakValueHashMap.intern(Object, Object, Object) condition meaning whether a key shall be associated to a value or not. Note that equals(Object) and Object.hashCode() methods are inconsistent in this class; the hashCode() method should never be invoked.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final WeakValueHashMap.Wildcard	ANY_VALUE
(package private) static final WeakValueHashMap.Wildcard	NO_VALUE
private final boolean	present	Whether the key shall be associated to a value.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Wildcard(boolean present)	Creates the ANY_VALUE or NO_VALUE constant.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object oldValue)	Tests for the ANY_VALUE or NO_VALUE condition.

Methods inherited from class java.lang.Object

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

Field Details

ANY_VALUE

static final WeakValueHashMap.Wildcard ANY_VALUE

NO_VALUE

static final WeakValueHashMap.Wildcard NO_VALUE

present

private final boolean present

Whether the key shall be associated to a value.

Constructor Details

Wildcard

private Wildcard(boolean present)

Creates the ANY_VALUE or NO_VALUE constant.

Method Details

equals

public boolean equals(Object oldValue)

Tests for the ANY_VALUE or NO_VALUE condition.

Overrides:

equals in class Object