--- old/src/jdk.snmp/share/classes/sun/management/snmp/util/SnmpTableCache.java	2014-10-15 14:08:05.000000000 +0200
+++ /dev/null	2014-10-15 14:08:05.000000000 +0200
@@ -1,120 +0,0 @@
-/*
- * Copyright (c) 2003, 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.
- */
-package sun.management.snmp.util;
-
-import com.sun.jmx.snmp.SnmpOid;
-
-import java.io.Serializable;
-
-import java.util.Comparator;
-import java.util.Arrays;
-import java.util.TreeMap;
-import java.util.List;
-import java.util.Iterator;
-
-import java.lang.ref.WeakReference;
-
-/**
- * This abstract class implements a weak cache that holds table data.
- * <p>The table data is stored in an instance of
- * {@link SnmpCachedData}, which is kept in a {@link WeakReference}.
- * If the WeakReference is null or empty, the cached data is recomputed.</p>
- *
- * <p><b>NOTE: This class is not synchronized, subclasses must implement
- *          the appropriate synchronization when needed.</b></p>
- **/
-@SuppressWarnings("serial") // JDK implementation class
-public abstract class SnmpTableCache implements Serializable {
-
-    /**
-     * Interval of time in ms during which the cached table data
-     * is considered valid.
-     **/
-    protected long validity;
-
-    /**
-     * A weak refernce holding cached table data.
-     **/
-    protected transient WeakReference<SnmpCachedData> datas;
-
-    /**
-     * true if the given cached table data is obsolete.
-     **/
-    protected boolean isObsolete(SnmpCachedData cached) {
-        if (cached   == null) return true;
-        if (validity < 0)     return false;
-        return ((System.currentTimeMillis() - cached.lastUpdated) > validity);
-    }
-
-    /**
-     * Returns the cached table data.
-     * Returns null if the cached data is obsolete, or if there is no
-     * cached data, or if the cached data was garbage collected.
-     * @return a still valid cached data or null.
-     **/
-    protected SnmpCachedData getCachedDatas() {
-        if (datas == null) return null;
-        final SnmpCachedData cached = datas.get();
-        if ((cached == null) || isObsolete(cached)) return null;
-        return cached;
-    }
-
-    /**
-     * Returns the cached table data, if it is still valid,
-     * or recompute it if it is obsolete.
-     * <p>
-     * When cache data is recomputed, store it in the weak reference,
-     * unless {@link #validity} is 0: then the data will not be stored
-     * at all.<br>
-     * This method calls {@link #isObsolete(SnmpCachedData)} to determine
-     * whether the cached data is obsolete, and {
-     * {@link #updateCachedDatas(Object)} to recompute it.
-     * </p>
-     * @param context A context object.
-     * @return the valid cached data, or the recomputed table data.
-     **/
-    protected synchronized SnmpCachedData getTableDatas(Object context) {
-        final SnmpCachedData cached   = getCachedDatas();
-        if (cached != null) return cached;
-        final SnmpCachedData computedDatas = updateCachedDatas(context);
-        if (validity != 0) datas = new WeakReference<>(computedDatas);
-        return computedDatas;
-    }
-
-    /**
-     * Recompute cached data.
-     * @param context A context object, as passed to
-     *        {@link #getTableDatas(Object)}
-     **/
-    protected abstract SnmpCachedData updateCachedDatas(Object context);
-
-    /**
-     * Return a table handler that holds the table data.
-     * This method should return the cached table data if it is still
-     * valid, recompute it and cache the new value if it's not.
-     **/
-    public abstract SnmpTableHandler getTableHandler();
-
-}