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| 1 | /* | ||
| 2 | * Copyright (c) 1998, 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 com.sun.jdi; | ||
| 27 | |||
| 28 | import java.util.List; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * A class loader object from the target VM. | ||
| 32 | * A ClassLoaderReference is an {@link ObjectReference} with additional | ||
| 33 | * access to classloader-specific information from the target VM. Instances | ||
| 34 | * ClassLoaderReference are obtained through calls to | ||
| 35 | * {@link ReferenceType#classLoader} | ||
| 36 | * | ||
| 37 | * @see ObjectReference | ||
| 38 | * | ||
| 39 | * @author Gordon Hirsch | ||
| 40 | * @since 1.3 | ||
| 41 | */ | ||
| 42 | public interface ClassLoaderReference extends ObjectReference { | ||
| 43 | |||
| 44 | /** | ||
| 45 | * Returns a list of all loaded classes that were defined by this | ||
| 46 | * class loader. No ordering of this list guaranteed. | ||
| 47 | * <P> | ||
| 48 | * The returned list will include reference types | ||
| 49 | * loaded at least to the point of preparation and | ||
| 50 | * types (like array) for which preparation is | ||
| 51 | * not defined. | ||
| 52 | * | ||
| 53 | * @return a List of {@link ReferenceType} objects mirroring types | ||
| 54 | * loaded by this class loader. The list has length 0 if no types | ||
| 55 | * have been defined by this classloader. | ||
| 56 | */ | ||
| 57 | List<ReferenceType> definedClasses(); | ||
| 58 | |||
| 59 | /** | ||
| 60 | * Returns a list of all classes for which this class loader has | ||
| 61 | * been recorded as the initiating loader in the target VM. | ||
| 62 | * The list contains ReferenceTypes defined directly by this loader | ||
| 63 | * (as returned by {@link #definedClasses}) and any types for which | ||
| 64 | * loading was delegated by this class loader to another class loader. | ||
| 65 | * <p> | ||
| 66 | * The visible class list has useful properties with respect to | ||
| 67 | * the type namespace. A particular type name will occur at most | ||
| 68 | * once in the list. Each field or variable declared with that | ||
| 69 | * type name in a class defined by | ||
| 70 | * this class loader must be resolved to that single type. | ||
| 71 | * <p> | ||
| 72 | * No ordering of the returned list is guaranteed. | ||
| 73 | * <p> | ||
| 74 | * See | ||
| 75 | * <cite>The Java™ Virtual Machine Specification</cite>, | ||
| 76 | * section 5.3 - Creation and Loading | ||
| 77 | * for more information on the initiating classloader. | ||
| 78 | * <p> | ||
| 79 | * Note that unlike {@link #definedClasses()} | ||
| 80 | * and {@link VirtualMachine#allClasses()}, | ||
| 81 | * some of the returned reference types may not be prepared. | ||
| 82 | * Attempts to perform some operations on unprepared reference types | ||
| 83 | * (e.g. {@link ReferenceType#fields() fields()}) will throw | ||
| 84 | * a {@link ClassNotPreparedException}. | ||
| 85 | * Use {@link ReferenceType#isPrepared()} to determine if | ||
| 86 | * a reference type is prepared. | ||
| 87 | * | ||
| 88 | * @return a List of {@link ReferenceType} objects mirroring classes | ||
| 89 | * initiated by this class loader. The list has length 0 if no classes | ||
| 90 | * are visible to this classloader. | ||
| 91 | */ | ||
| 92 | List<ReferenceType> visibleClasses(); | ||
| 93 | } | ||