--- old/test/test/lib/jdk/test/lib/hprof/model/Root.java 2019-09-25 13:00:56.955380637 +0300 +++ /dev/null 2019-06-26 20:30:32.375097000 +0300 @@ -1,174 +0,0 @@ -/* - * Copyright (c) 1997, 2016, 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. - */ - - -/* - * The Original Code is HAT. The Initial Developer of the - * Original Code is Bill Foote, with contributions from others - * at JavaSoft/Sun. - */ - -package jdk.test.lib.hprof.model; - -import jdk.test.lib.hprof.util.Misc; - -/** - * - * @author Bill Foote - */ - - -/** - * Represents a member of the rootset, that is, one of the objects that - * the GC starts from when marking reachable objects. - */ - -public class Root { - - private long id; // ID of the JavaThing we refer to - private long refererId; // Thread or Class responsible for this, or 0 - private int index = -1; // Index in Snapshot.roots - private int type; - private String description; - private JavaHeapObject referer = null; - private StackTrace stackTrace = null; - - // Values for type. Higher values are more interesting -- see getType(). - // See also getTypeName() - public final static int INVALID_TYPE = 0; - public final static int UNKNOWN = 1; - public final static int SYSTEM_CLASS = 2; - - public final static int NATIVE_LOCAL = 3; - public final static int NATIVE_STATIC = 4; - public final static int THREAD_BLOCK = 5; - public final static int BUSY_MONITOR = 6; - public final static int JAVA_LOCAL = 7; - public final static int NATIVE_STACK = 8; - public final static int JAVA_STATIC = 9; - - - public Root(long id, long refererId, int type, String description) { - this(id, refererId, type, description, null); - } - - - public Root(long id, long refererId, int type, String description, - StackTrace stackTrace) { - this.id = id; - this.refererId = refererId; - this.type = type; - this.description = description; - this.stackTrace = stackTrace; - } - - public long getId() { - return id; - } - - public String getIdString() { - return Misc.toHex(id); - } - - public String getDescription() { - if ("".equals(description)) { - return getTypeName() + " Reference"; - } else { - return description; - } - } - - /** - * Return type. We guarantee that more interesting roots will have - * a type that is numerically higher. - */ - public int getType() { - return type; - } - - public String getTypeName() { - switch(type) { - case INVALID_TYPE: return "Invalid (?!?)"; - case UNKNOWN: return "Unknown"; - case SYSTEM_CLASS: return "System Class"; - case NATIVE_LOCAL: return "JNI Local"; - case NATIVE_STATIC: return "JNI Global"; - case THREAD_BLOCK: return "Thread Block"; - case BUSY_MONITOR: return "Busy Monitor"; - case JAVA_LOCAL: return "Java Local"; - case NATIVE_STACK: return "Native Stack (possibly Java local)"; - case JAVA_STATIC: return "Java Static"; - default: return "??"; - } - } - - /** - * Given two Root instances, return the one that is most interesting. - */ - public Root mostInteresting(Root other) { - if (other.type > this.type) { - return other; - } else { - return this; - } - } - - /** - * Get the object that's responsible for this root, if there is one. - * This will be null, a Thread object, or a Class object. - */ - public JavaHeapObject getReferer() { - return referer; - } - - /** - * @return the stack trace responsible for this root, or null if there - * is none. - */ - public StackTrace getStackTrace() { - return stackTrace; - } - - /** - * @return The index of this root in Snapshot.roots - */ - public int getIndex() { - return index; - } - - void resolve(Snapshot ss) { - if (refererId != 0) { - referer = ss.findThing(refererId); - } - if (stackTrace != null) { - stackTrace.resolve(ss); - } - } - - void setIndex(int i) { - index = i; - } - -}