Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/NestedBooleanOptionValue.java @ 21744:d62a384b2415
improved formatting of snippet counters
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 05 Jun 2015 11:58:49 +0200 |
parents | b1530a6cce8c |
children |
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/* * Copyright (c) 2015, 2015, 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 com.oracle.jvmci.options; /** * A nested Boolean {@link OptionValue} that can be overridden by a {@link #masterOption master * option}. * <p> * <li>If the option is present on the command line the specified value is used. * <li>Otherwise {@link #getValue()} depends on the {@link #masterOption} and evaluates as follows: * <ul> * <li>If {@link #masterOption} is set, this value equals to {@link #initialValue}. * <li>Otherwise, if {@link #masterOption} is {@code false}, this option is {@code false}. */ public class NestedBooleanOptionValue extends OptionValue<Boolean> { private final OptionValue<Boolean> masterOption; private final Boolean initialValue; public NestedBooleanOptionValue(OptionValue<Boolean> masterOption, Boolean initialValue) { super(null); this.masterOption = masterOption; this.initialValue = initialValue; } public OptionValue<Boolean> getMasterOption() { return masterOption; } @Override public Boolean getValue() { Boolean v = super.getValue(); if (v == null) { return initialValue && masterOption.getValue(); } return v; } }