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8154801: deprecate Observer and Observable

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Reviewed-by: darcy
This commit is contained in:
Stuart Marks 2016-04-28 14:29:09 -07:00
parent d9d916addb
commit 93a8bd3843
2 changed files with 19 additions and 2 deletions
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14
jdk/src/java.base/share/classes/java/util/Observable.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1994, 2012, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -58,7 +58,19 @@ package java.util;
* @see java.util.Observer * @see java.util.Observer
* @see java.util.Observer#update(java.util.Observable, java.lang.Object) * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
* @since 1.0 * @since 1.0
*
* @deprecated
* This class and the {@link Observer} interface have been deprecated.
* The event model supported by {@code Observer} and {@code Observable}
* is quite limited, the order of notifications delivered by
* {@code Observable} is unspecified, and state changes are not in
* one-for-one correspondence with notifications.
* For a richer event model, consider using the
* {@link java.beans} package. For reliable and ordered
* messaging among threads, consider using one of the concurrent data
* structures in the {@link java.util.concurrent} package.
*/ */
@Deprecated(since="9")
public class Observable { public class Observable {
private boolean changed = false; private boolean changed = false;
private Vector<Observer> obs; private Vector<Observer> obs;

7
jdk/src/java.base/share/classes/java/util/Observer.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1994, 1998, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -31,7 +31,12 @@ package java.util;
* @author Chris Warth * @author Chris Warth
* @see java.util.Observable * @see java.util.Observable
* @since 1.0 * @since 1.0
*
* @deprecated
* This interface has been deprecated. See the {@link Observable}
* class for further information.
*/ */
@Deprecated(since="9")
public interface Observer { public interface Observer {
/** /**
* This method is called whenever the observed object is changed. An * This method is called whenever the observed object is changed. An