/*
 * Copyright (c) 1998, 2017, 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.
 *
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package com.sun.jdi.event;

import com.sun.jdi.VirtualMachine;

/**
 * Notification of a class unload in the target VM.
 * <p>
 * There are severe constraints on the debugger back-end during
 * garbage collection, so unload information is greatly limited.
 *
 * @see EventQueue
 * @see VirtualMachine
 *
 * @author Robert Field
 * @since  1.3
 */
public interface ClassUnloadEvent extends Event {

    /**
     * Returns the {@linkplain com.sun.jdi.Type#name() name of the class} that has been unloaded.
     * The returned string may not be a binary name.
     *
     * @see Class#getName()
     */
    public String className();

    /**
     * Returns the {@linkplain com.sun.jdi.Type#signature() type signature of the class} that has been unloaded.
     * The returned string may not be a valid type descriptor.
     *
     * @see java.lang.invoke.TypeDescriptor#descriptorString()
     */
    public String classSignature();
}