1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package org.graalvm.options;
  26 
  27 /**
  28  * Represents a set of option values based on an {@link OptionDescriptor}.
  29  *
  30  * @since 1.0
  31  */
  32 public interface OptionValues {
  33 
  34     /**
  35      * Returns all available options.
  36      *
  37      * @since 1.0
  38      */
  39     OptionDescriptors getDescriptors();
  40 
  41     /**
  42      * Sets the value of {@code optionKey} to {@code value}.
  43      *
  44      * @since 1.0
  45      */
  46     <T> void set(OptionKey<T> optionKey, T value);
  47 
  48     /**
  49      * Returns the value of a given option. Returns <code>null</code> if the option does not exist.
  50      *
  51      * @since 1.0
  52      */
  53     <T> T get(OptionKey<T> optionKey);
  54 
  55 }