Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/MethodCallable.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2007, 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
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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c18cbe5936b8
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21 * questions. |
| 0 | 22 */ |
| 23 | |
| 24 package sun.jvm.hotspot.utilities.soql; | |
| 25 | |
| 26 import java.lang.reflect.Method; | |
| 27 import javax.script.ScriptException; | |
| 28 | |
| 29 /** | |
| 30 * An implementation of Callable interface that | |
| 31 * invokes an instance or static Java method when | |
| 32 * called. | |
| 33 */ | |
| 34 public class MethodCallable implements Callable { | |
| 35 private Object target; | |
| 36 private Method method; | |
| 37 private boolean wrapArgs; | |
| 38 | |
| 39 // "wrapArgs" tells whether the underlying java Method | |
| 40 // accepts one Object[] argument or it wants usual way of | |
| 41 // passing arguments. The former method is used when you | |
| 42 // want to implement a Callable that is variadic. | |
| 43 public MethodCallable(Object target, Method method, boolean wrapArgs) { | |
| 44 this.method = method; | |
| 45 this.target = target; | |
| 46 this.wrapArgs = wrapArgs; | |
| 47 } | |
| 48 | |
| 49 public MethodCallable(Object target, Method method) { | |
| 50 this(target, method, true); | |
| 51 } | |
| 52 | |
| 53 public Object call(Object[] args) throws ScriptException { | |
| 54 try { | |
| 55 if (wrapArgs) { | |
| 56 return method.invoke(target, new Object[] { args }); | |
| 57 } else { | |
| 58 return method.invoke(target, args); | |
| 59 } | |
| 60 } catch (RuntimeException re) { | |
| 61 throw re; | |
| 62 } catch (Exception exp) { | |
| 63 throw new ScriptException(exp); | |
| 64 } | |
| 65 } | |
| 66 } |