Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/memo/MemoizedByte.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
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| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.utilities.memo; | |
| 26 | |
| 27 /** A memoized byte. Override {@link #computeValue} in subclasses; | |
| 28 call {@link #getValue} in using code. */ | |
| 29 | |
| 30 public abstract class MemoizedByte { | |
| 31 private boolean computed; | |
| 32 private byte value; | |
| 33 | |
| 34 /** Should compute the value of this memoized object. This will only | |
| 35 be called once, upon the first call to {@link #getValue}. */ | |
| 36 protected abstract byte computeValue(); | |
| 37 | |
| 38 /** Public accessor for the memoized value. */ | |
| 39 public byte getValue() { | |
| 40 if (!computed) { | |
| 41 value = computeValue(); | |
| 42 computed = true; | |
| 43 } | |
| 44 return value; | |
| 45 } | |
| 46 } |