/*

 * 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();

}