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8283417: Update java.nio buffers to use sealed classes

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Reviewed-by: rriggs, darcy, iris, alanb
This commit is contained in:
Brian Burkhalter 2022-03-24 16:11:57 +00:00
parent 19f01ab701
commit b36cf35ad9
7 changed files with 45 additions and 8 deletions
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10
src/java.base/share/classes/java/nio/Direct-X-Buffer.java.template
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -37,6 +37,11 @@ import jdk.internal.ref.Cleaner;
import sun.nio.ch.DirectBuffer;
#if[rw]
sealed
#else[rw]
final
#end[rw]
class Direct$Type$Buffer$RW$$BO$
#if[rw]
extends {#if[byte]?Mapped$Type$Buffer:$Type$Buffer}
@ -44,6 +49,9 @@ class Direct$Type$Buffer$RW$$BO$
extends Direct$Type$Buffer$BO$
#end[rw]
implements DirectBuffer
#if[rw]
permits Direct$Type$BufferR$BO$
#end[rw]
{
#if[rw]