Mercurial > hg > truffle
view 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 |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2007, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.jvm.hotspot.utilities.soql; import java.lang.reflect.Method; import javax.script.ScriptException; /** * An implementation of Callable interface that * invokes an instance or static Java method when * called. */ public class MethodCallable implements Callable { private Object target; private Method method; private boolean wrapArgs; // "wrapArgs" tells whether the underlying java Method // accepts one Object[] argument or it wants usual way of // passing arguments. The former method is used when you // want to implement a Callable that is variadic. public MethodCallable(Object target, Method method, boolean wrapArgs) { this.method = method; this.target = target; this.wrapArgs = wrapArgs; } public MethodCallable(Object target, Method method) { this(target, method, true); } public Object call(Object[] args) throws ScriptException { try { if (wrapArgs) { return method.invoke(target, new Object[] { args }); } else { return method.invoke(target, args); } } catch (RuntimeException re) { throw re; } catch (Exception exp) { throw new ScriptException(exp); } } }