author | alanb |
Fri, 08 Jan 2016 11:47:35 +0000 | |
changeset 34894 | 3248b89d1921 |
parent 25859 | 3317bb8137f4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.jdi; |
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import java.util.List; |
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/** |
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* A class loader object from the target VM. |
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* A ClassLoaderReference is an {@link ObjectReference} with additional |
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* access to classloader-specific information from the target VM. Instances |
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* ClassLoaderReference are obtained through calls to |
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* {@link ReferenceType#classLoader} |
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* |
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* @see ObjectReference |
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* |
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* @author Gordon Hirsch |
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* @since 1.3 |
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*/ |
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public interface ClassLoaderReference extends ObjectReference { |
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/** |
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* Returns a list of all loaded classes that were defined by this |
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* class loader. No ordering of this list guaranteed. |
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* <P> |
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* The returned list will include reference types |
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* loaded at least to the point of preparation and |
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* types (like array) for which preparation is |
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* not defined. |
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* |
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* @return a List of {@link ReferenceType} objects mirroring types |
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* loaded by this class loader. The list has length 0 if no types |
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* have been defined by this classloader. |
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*/ |
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List<ReferenceType> definedClasses(); |
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/** |
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* Returns a list of all classes for which this class loader has |
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* been recorded as the initiating loader in the target VM. |
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* The list contains ReferenceTypes defined directly by this loader |
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* (as returned by {@link #definedClasses}) and any types for which |
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* loading was delegated by this class loader to another class loader. |
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* <p> |
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* The visible class list has useful properties with respect to |
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* the type namespace. A particular type name will occur at most |
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* once in the list. Each field or variable declared with that |
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* type name in a class defined by |
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* this class loader must be resolved to that single type. |
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* <p> |
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* No ordering of the returned list is guaranteed. |
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* <p> |
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* See |
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* <cite>The Java™ Virtual Machine Specification</cite>, |
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* section 5.3 - Creation and Loading |
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* for more information on the initiating classloader. |
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* <p> |
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* Note that unlike {@link #definedClasses()} |
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* and {@link VirtualMachine#allClasses()}, |
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* some of the returned reference types may not be prepared. |
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* Attempts to perform some operations on unprepared reference types |
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* (e.g. {@link ReferenceType#fields() fields()}) will throw |
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* a {@link ClassNotPreparedException}. |
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* Use {@link ReferenceType#isPrepared()} to determine if |
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* a reference type is prepared. |
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* |
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* @return a List of {@link ReferenceType} objects mirroring classes |
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* initiated by this class loader. The list has length 0 if no classes |
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* are visible to this classloader. |
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*/ |
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List<ReferenceType> visibleClasses(); |
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} |