/* * Copyright (c) 2003, 2004, 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 sun.management; import sun.management.counter.Counter; /** * Hotspot internal management interface for the compilation system. */public interface HotspotCompilationMBean {     /**     * Returns the number of compiler threads.     *     * @return the number of compiler threads.     */    public int getCompilerThreadCount();     /**     * Returns the statistic of all compiler threads.     *     * @return a list of {@link CompilerThreadStat} object containing     * the statistic of a compiler thread.     *     */    public java.util.List<CompilerThreadStat> getCompilerThreadStats();     /**     * Returns the total number of compiles.     *     * @return the total number of compiles.     */    public long getTotalCompileCount();     /**     * Returns the number of bailout compiles.     *     * @return the number of bailout compiles.     */    public long getBailoutCompileCount();     /**     * Returns the number of invalidated compiles.     *     * @return the number of invalidated compiles.     */    public long getInvalidatedCompileCount();     /**     * Returns the method information of the last compiled method.     *     * @return a {@link MethodInfo} of the last compiled method.     */    public MethodInfo getLastCompile();     /**     * Returns the method information of the last failed compile.     *     * @return a {@link MethodInfo} of the last failed compile.     */    public MethodInfo getFailedCompile();     /**     * Returns the method information of the last invalidated compile.     *     * @return a {@link MethodInfo} of the last invalidated compile.     */    public MethodInfo getInvalidatedCompile();     /**     * Returns the number of bytes for the code of the     * compiled methods.     *     * @return the number of bytes for the code of the compiled methods.     */    public long getCompiledMethodCodeSize();     /**     * Returns the number of bytes occupied by the compiled methods.     *     * @return the number of bytes occupied by the compiled methods.     */    public long getCompiledMethodSize();     /**     * Returns a list of internal counters maintained in the Java     * virtual machine for the compilation system.     *     * @return a list of internal counters maintained in the VM     * for the compilation system.     */    public java.util.List<Counter> getInternalCompilerCounters();}