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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [java/] [lang/] [management/] [CompilationMXBeanImpl.java] - Blame information for rev 769

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1 769 jeremybenn
/* CompilationMXBeanImpl.java - Implementation of a compilation bean
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   Copyright (C) 2006 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.lang.management;
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import gnu.classpath.SystemProperties;
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import java.lang.management.CompilationMXBean;
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import javax.management.NotCompliantMBeanException;
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/**
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 * Provides access to information about the JIT
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 * compiler of the virtual machine, if one exists.
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 * Instances of this bean are obtained by calling
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 * {@link ManagementFactory#getCompilationMXBean()},
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 * if this is the case.
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 *
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 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
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 * @since 1.5
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 */
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public final class CompilationMXBeanImpl
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  extends BeanImpl
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  implements CompilationMXBean
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{
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  /**
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   * Constant for compiler name.
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   */
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  private static final String COMPILER_NAME = "gnu.java.compiler.name";
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  /**
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   * Constant for compilation time support.
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   */
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  private static final String COMPILATION_TIME_SUPPORT =
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    "gnu.java.lang.management.CompilationTimeSupport";
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  /**
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   * Constructs a new <code>CompilationMXBeanImpl</code>.
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   *
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   * @throws NotCompliantMBeanException if this class doesn't implement
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   *                                    the interface or a method appears
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   *                                    in the interface that doesn't comply
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   *                                    with the naming conventions.
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   */
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  public CompilationMXBeanImpl()
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    throws NotCompliantMBeanException
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  {
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    super(CompilationMXBean.class);
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  }
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  public String getName()
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  {
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    return SystemProperties.getProperty(COMPILER_NAME);
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  }
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  public boolean isCompilationTimeMonitoringSupported()
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  {
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    return SystemProperties.getProperty(COMPILATION_TIME_SUPPORT) != null;
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  }
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  public long getTotalCompilationTime()
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  {
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    if (isCompilationTimeMonitoringSupported())
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      return VMCompilationMXBeanImpl.getTotalCompilationTime();
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    else
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      throw new UnsupportedOperationException("Compilation time monitoring "
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                                              + "is not supported");
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  }
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}

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