--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/com/sun/jdi/ClassLoaderReference.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,95 @@
+/*
+ * Copyright 1998-2004 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.jdi;
+
+import java.util.List;
+
+/**
+ * A class loader object from the target VM.
+ * A ClassLoaderReference is an {@link ObjectReference} with additional
+ * access to classloader-specific information from the target VM. Instances
+ * ClassLoaderReference are obtained through calls to
+ * {@link ReferenceType#classLoader}
+ *
+ * @see ObjectReference
+ *
+ * @author Gordon Hirsch
+ * @since  1.3
+ */
+public interface ClassLoaderReference extends ObjectReference {
+
+    /**
+     * Returns a list of all loaded classes that were defined by this
+     * class loader. No ordering of this list guaranteed.
+     * <P>
+     * The returned list will include reference types
+     * loaded at least to the point of preparation and
+     * types (like array) for which preparation is
+     * not defined.
+     *
+     * @return a List of {@link ReferenceType} objects mirroring types
+     * loaded by this class loader. The list has length 0 if no types
+     * have been defined by this classloader.
+     */
+    List<ReferenceType> definedClasses();
+
+    /**
+     * Returns a list of all classes for which this class loader has
+     * been recorded as the initiating loader in the target VM.
+     * The list contains ReferenceTypes defined directly by this loader
+     * (as returned by {@link #definedClasses}) and any types for which
+     * loading was delegated by this class loader to another class loader.
+     * <p>
+     * The visible class list has useful properties with respect to
+     * the type namespace. A particular type name will occur at most
+     * once in the list. Each field or variable declared with that
+     * type name in a class defined by
+     * this class loader must be resolved to that single type.
+     * <p>
+     * No ordering of the returned list is guaranteed.
+     * <p>
+     * See the revised
+     * <a href="http://java.sun.com/docs/books/vmspec/">Java
+     * Virtual Machine Specification</a> section
+     * <a href="http://java.sun.com/docs/books/vmspec/2nd-edition/html/ConstantPool.doc.html#72007">5.3
+     * Creation and Loading</a>
+     * for more information on the initiating classloader.
+     * <p>
+     * Note that unlike {@link #definedClasses()}
+     * and {@link VirtualMachine#allClasses()},
+     * some of the returned reference types may not be prepared.
+     * Attempts to perform some operations on unprepared reference types
+     * (e.g. {@link ReferenceType#fields() fields()}) will throw
+     * a {@link ClassNotPreparedException}.
+     * Use {@link ReferenceType#isPrepared()} to determine if
+     * a reference type is prepared.
+     *
+     * @return a List of {@link ReferenceType} objects mirroring classes
+     * initiated by this class loader. The list has length 0 if no classes
+     * are visible to this classloader.
+     */
+    List<ReferenceType> visibleClasses();
+}