/* * Copyright (c) 1998, 2000, 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 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 */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);}