--- a/jdk/src/jdk.dev/share/classes/com/sun/tools/hat/internal/model/ReachableExcludesImpl.java	Tue May 19 20:04:29 2015 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,105 +0,0 @@
-/*
- * Copyright (c) 1997, 2014, 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 com.sun.tools.hat.internal.model;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStreamReader;
-import java.io.Reader;
-import java.io.BufferedReader;
-import java.io.IOException;
-
-import java.util.Hashtable;
-
-/**
- * This represents a set of data members that should be excluded from the
- * reachable objects query.
- * This is useful to exclude observers from the
- * transitive closure of objects reachable from a given object, allowing
- * some kind of real determination of the "size" of that object.
- *
- * @author      Bill Foote
- */
-public class ReachableExcludesImpl implements ReachableExcludes {
-
-    private File excludesFile;
-    private long lastModified;
-    private Hashtable<String, String> methods;  // Used as a bag
-
-    /**
-     * Create a new ReachableExcludesImpl over the given file.  The file will be
-     * re-read whenever the timestamp changes.
-     */
-    public ReachableExcludesImpl(File excludesFile) {
-        this.excludesFile = excludesFile;
-        readFile();
-    }
-
-    private void readFileIfNeeded() {
-        if (excludesFile.lastModified() != lastModified) {
-            synchronized(this) {
-                if (excludesFile.lastModified() != lastModified) {
-                    readFile();
-                }
-            }
-        }
-    }
-
-    private void readFile() {
-        long lm = excludesFile.lastModified();
-        Hashtable<String, String> m = new Hashtable<String, String>();
-
-        try {
-            BufferedReader r = new BufferedReader(new InputStreamReader(
-                                    new FileInputStream(excludesFile)));
-
-            String method;
-            while ((method = r.readLine()) != null) {
-                m.put(method, method);
-            }
-            lastModified = lm;
-            methods = m;        // We want this to be atomic
-        } catch (IOException ex) {
-            System.out.println("Error reading " + excludesFile + ":  " + ex);
-        }
-    }
-
-    /**
-     * @return true iff the given field is on the histlist of excluded
-     *          fields.
-     */
-    public boolean isExcluded(String fieldName) {
-        readFileIfNeeded();
-        return methods.get(fieldName) != null;
-    }
-}