beans/util/Cache.java

45     private final Kind keyKind; // a reference kind for the cache keys
67      * @param keyKind   a reference kind for keys
70      * @throws NullPointerException if {@code keyKind} or {@code valueKind} are {@code null}
72     public Cache(Kind keyKind, Kind valueKind) {
73         this(keyKind, valueKind, false);
82      * @param keyKind   a reference kind for keys
87      * @throws NullPointerException if {@code keyKind} or {@code valueKind} are {@code null}
89     public Cache(Kind keyKind, Kind valueKind, boolean identity) {
90         Objects.requireNonNull(keyKind, "keyKind");
92         this.keyKind = keyKind;
337             this.key = Cache.this.keyKind.create(this, key, Cache.this.queue);