author | xdono |
Wed, 02 Jul 2008 12:55:45 -0700 | |
changeset 715 | f16baef3a20e |
parent 401 | ef01e0dccd63 |
child 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package java.lang.management; |
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/** |
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* The management interface for the compilation system of |
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* the Java virtual machine. |
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* |
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* <p> A Java virtual machine has a single instance of the implementation |
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* class of this interface. This instance implementing this interface is |
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* an <a href="ManagementFactory.html#MXBean">MXBean</a> |
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* that can be obtained by calling |
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* the {@link ManagementFactory#getCompilationMXBean} method or |
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* from the {@link ManagementFactory#getPlatformMBeanServer |
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* platform <tt>MBeanServer</tt>} method. |
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* |
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* <p>The <tt>ObjectName</tt> for uniquely identifying the MXBean for |
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* the compilation system within an MBeanServer is: |
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* <blockquote> |
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* {@link ManagementFactory#COMPILATION_MXBEAN_NAME |
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* <tt>java.lang:type=Compilation</tt>} |
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* </blockquote> |
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* |
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ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
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* It can be obtained by calling the |
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
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diff
changeset
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* {@link PlatformManagedObject#getObjectName} method. |
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
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changeset
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* |
ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
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* @see ManagementFactory#getPlatformMXBeans(Class) |
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* @see <a href="../../../javax/management/package-summary.html"> |
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* JMX Specification.</a> |
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* @see <a href="package-summary.html#examples"> |
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* Ways to Access MXBeans</a> |
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* |
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* @author Mandy Chung |
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* @since 1.5 |
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*/ |
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ef01e0dccd63
6610094: Add generic support for platform MXBeans of any type (also fixed 6681031)
mchung
parents:
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changeset
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public interface CompilationMXBean extends PlatformManagedObject { |
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/** |
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* Returns the name of the Just-in-time (JIT) compiler. |
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* |
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* @return the name of the JIT compiler. |
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*/ |
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public java.lang.String getName(); |
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/** |
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* Tests if the Java virtual machine supports the monitoring of |
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* compilation time. |
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* |
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* @return <tt>true</tt> if the monitoring of compilation time is |
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* supported ; <tt>false</tt> otherwise. |
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*/ |
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public boolean isCompilationTimeMonitoringSupported(); |
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/** |
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* Returns the approximate accumlated elapsed time (in milliseconds) |
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* spent in compilation. |
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* If multiple threads are used for compilation, this value is |
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* summation of the approximate time that each thread spent in compilation. |
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* |
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* <p>This method is optionally supported by the platform. |
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* A Java virtual machine implementation may not support the compilation |
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* time monitoring. The {@link #isCompilationTimeMonitoringSupported} |
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* method can be used to determine if the Java virtual machine |
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* supports this operation. |
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* |
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* <p> This value does not indicate the level of performance of |
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* the Java virtual machine and is not intended for performance comparisons |
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* of different virtual machine implementations. |
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* The implementations may have different definitions and different |
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* measurements of the compilation time. |
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* |
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* @return Compilation time in milliseconds |
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* @throws java.lang.UnsupportedOperationException if the Java |
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* virtual machine does not support |
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* this operation. |
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* |
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*/ |
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public long getTotalCompilationTime(); |
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} |