/*

 * Copyright (c) 1998, 2013, 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

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 */

package com.sun.jdi.request;

import com.sun.jdi.*;

/**

 * Request for notification when a class is unloaded in the target VM.

 * When an enabled ClassUnloadRequest is satisfied, a

 * {@link com.sun.jdi.event.EventSet event set} containing an

 * {@link com.sun.jdi.event.ClassUnloadEvent ClassUnloadEvent} will

 * be placed on the {@link com.sun.jdi.event.EventQueue EventQueue}.

 * The collection of existing ClassUnloadRequests is

 * managed by the {@link EventRequestManager}

 * <p>

 * Refer to the Java Virtual Machine Specification for more information

 * on class unloading.

 *

 * @see com.sun.jdi.event.ClassUnloadEvent

 * @see com.sun.jdi.event.EventQueue

 * @see EventRequestManager

 *

 * @author Robert Field

 * @since  1.3

 */

@jdk.Exported

public interface ClassUnloadRequest extends EventRequest {

    /**

     * Restricts the events generated by this request to the

     * unloading of reference types whose name matches a restricted

     * regular expression. Regular expressions are limited to exact

     * matches and patterns that begin with '*' or end with '*'; for

     * example, "*.Foo" or "java.*".

     * @param classPattern the pattern String to filter for.

     * @throws InvalidRequestStateException if this request is currently

     * enabled or has been deleted.

     * Filters may be added only to disabled requests.

     */

    void addClassFilter(String classPattern);

    /**

     * Restricts the events generated by this request to the

     * unloading of reference types whose name does <b>not</b> match

     * a restricted regular expression. Regular expressions are limited

     * to exact matches and patterns that begin with '*' or end with '*';

     * for example, "*.Foo" or "java.*".

     * @param classPattern the pattern String to filter against.

     * @throws InvalidRequestStateException if this request is currently

     * enabled or has been deleted.

     * Filters may be added only to disabled requests.

     */

    void addClassExclusionFilter(String classPattern);

}