1 /*

     2  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package sun.jvmstat.monitor;

    27 

    28 import sun.jvmstat.monitor.*;

    29 

    30 /**

    31  * Interface to support asynchronous polling of the exported

    32  * instrumentation of a target Java Virtual Machine.

    33  *

    34  * @author Brian Doherty

    35  * @since 1.5

    36  */

    37 public interface BufferedMonitoredVm extends MonitoredVm {

    38 

    39     /**

    40      * Interface to get the bytes associated with the instrumentation

    41      * for the target Java Virtual Machine.

    42      *

    43      * @return byte[] - a byte array containing the current bytes

    44      *                  for the instrumentation exported by the

    45      *                  target Java Virtual Machine.

    46      */

    47     byte[] getBytes();

    48 

    49     /**

    50      * Interface to get the size of the instrumentation buffer

    51      * for the target Java Virtual Machine.

    52      *

    53      * @return int - the size of the instrumentation buffer for the

    54      *               target Java Virtual Machine.

    55      */

    56     int getCapacity();

    57 }