Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/utilities/soql/ScriptObject.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 17 Jan 2014 17:06:08 +0100 |
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; /** * Any Java object supporting this interface can be * accessed from scripts with "simpler" access pattern. * For example, a script engine may support natural * property/field access syntax for the properties exposed * via this interface. We use this interface so that we * can dynamically add/delete/modify fields exposed to * scripts. If we stick to JavaBean pattern, then property * set is fixed. */ public interface ScriptObject { // special sentinel to denote no-result -- so that // null could be used as proper value public static final Object UNDEFINED = new Object(); // empty object array public static final Object[] EMPTY_ARRAY = new Object[0]; /* * Returns all property names supported by this object. * Property "name" is either a String or an Integer". */ public Object[] getIds(); /** * Get the value of the named property. */ public Object get(String name); /** * Get the value of the "indexed" property. * Returns UNDEFINED if the property does not exist. */ public Object get(int index); /** * Set the value of the named property. */ public void put(String name, Object value); /** * Set the value of the indexed property. */ public void put(int index, Object value); /** * Returns whether the named property exists or not. */ public boolean has(String name); /** * Returns whether the indexed property exists or not. */ public boolean has(int index); /** * Deletes the named property. Returns true on success. */ public boolean delete(String name); /** * Deletes the indexed property. Returns true on success. */ public boolean delete(int index); }