| /* |
| * 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); |
| } |