| /* CompilationMXBeanImpl.java - Implementation of a compilation bean |
| Copyright (C) 2006 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.java.lang.management; |
| |
| import gnu.classpath.SystemProperties; |
| |
| import java.lang.management.CompilationMXBean; |
| |
| import javax.management.NotCompliantMBeanException; |
| |
| /** |
| * Provides access to information about the JIT |
| * compiler of the virtual machine, if one exists. |
| * Instances of this bean are obtained by calling |
| * {@link ManagementFactory#getCompilationMXBean()}, |
| * if this is the case. |
| * |
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) |
| * @since 1.5 |
| */ |
| public final class CompilationMXBeanImpl |
| extends BeanImpl |
| implements CompilationMXBean |
| { |
| |
| /** |
| * Constant for compiler name. |
| */ |
| private static final String COMPILER_NAME = "gnu.java.compiler.name"; |
| |
| /** |
| * Constant for compilation time support. |
| */ |
| private static final String COMPILATION_TIME_SUPPORT = |
| "gnu.java.lang.management.CompilationTimeSupport"; |
| |
| /** |
| * Constructs a new <code>CompilationMXBeanImpl</code>. |
| * |
| * @throws NotCompliantMBeanException if this class doesn't implement |
| * the interface or a method appears |
| * in the interface that doesn't comply |
| * with the naming conventions. |
| */ |
| public CompilationMXBeanImpl() |
| throws NotCompliantMBeanException |
| { |
| super(CompilationMXBean.class); |
| } |
| |
| public String getName() |
| { |
| return SystemProperties.getProperty(COMPILER_NAME); |
| } |
| |
| public boolean isCompilationTimeMonitoringSupported() |
| { |
| return SystemProperties.getProperty(COMPILATION_TIME_SUPPORT) != null; |
| } |
| |
| public long getTotalCompilationTime() |
| { |
| if (isCompilationTimeMonitoringSupported()) |
| return VMCompilationMXBeanImpl.getTotalCompilationTime(); |
| else |
| throw new UnsupportedOperationException("Compilation time monitoring " |
| + "is not supported"); |
| } |
| |
| } |