--- a/jdk/src/jdk.snmp/share/classes/sun/management/snmp/util/SnmpCachedData.java Mon Oct 27 17:54:00 2014 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 2003, 2006, 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 class is used to cache table data.
- **/
-public class SnmpCachedData implements SnmpTableHandler {
-
- /**
- * Compares two SnmpOid.
- **/
- public static final Comparator<SnmpOid> oidComparator =
- new Comparator<SnmpOid>() {
- public int compare(SnmpOid o1, SnmpOid o2) {
- return o1.compareTo(o2);
- }
- public boolean equals(Object o1, Object o2) {
- if (o1 == o2) return true;
- else return o1.equals(o2);
- }
- };
-
- /**
- * Constructs a new instance of SnmpCachedData. Instances are
- * immutable.
- * @param lastUpdated Time stamp as returned by
- * {@link System#currentTimeMillis System.currentTimeMillis()}
- * @param indexes The table entry indexes, sorted in ascending order.
- * @param datas The table datas, sorted according to the
- * order in <code>indexes</code>: <code>datas[i]</code>
- * is the data that corresponds to
- * <code>indexes[i]</code>
- **/
- public SnmpCachedData(long lastUpdated, SnmpOid indexes[],
- Object datas[]) {
- this.lastUpdated = lastUpdated;
- this.indexes = indexes;
- this.datas = datas;
- }
-
- /**
- * Constructs a new instance of SnmpCachedData. Instances are
- * immutable.
- * @param lastUpdated Time stamp as returned by
- * {@link System#currentTimeMillis System.currentTimeMillis()}
- * @param indexMap The table indexed table data, sorted in ascending
- * order by {@link #oidComparator}. The keys must be
- * instances of {@link SnmpOid}.
- **/
- public SnmpCachedData(long lastUpdated, TreeMap<SnmpOid, Object> indexMap) {
- this(lastUpdated, indexMap, true);
- }
- /**
- * Constructs a new instance of SnmpCachedData. Instances are
- * immutable.
- * @param lastUpdated Time stamp as returned by
- * {@link System#currentTimeMillis System.currentTimeMillis()}
- * @param indexMap The table indexed table data, sorted in ascending
- * order by {@link #oidComparator}. The keys must be
- * instances of {@link SnmpOid}.
- **/
- public SnmpCachedData(long lastUpdated, TreeMap<SnmpOid, Object> indexMap,
- boolean b) {
-
- final int size = indexMap.size();
- this.lastUpdated = lastUpdated;
- this.indexes = new SnmpOid[size];
- this.datas = new Object[size];
-
- if(b) {
- indexMap.keySet().toArray(this.indexes);
- indexMap.values().toArray(this.datas);
- } else
- indexMap.values().toArray(this.datas);
- }
-
- /**
- * Time stamp as returned by
- * {@link System#currentTimeMillis System.currentTimeMillis()}
- **/
- public final long lastUpdated;
-
- /**
- * The table entry indexes, sorted in ascending order.
- **/
- public final SnmpOid indexes[];
-
- /**
- * The table datas, sorted according to the
- * order in <code>indexes</code>: <code>datas[i]</code>
- * is the data that corresponds to <code>indexes[i]</code>
- **/
- public final Object datas[];
-
- /**
- * The position of the given <var>index</var>, as returned by
- * <code>java.util.Arrays.binarySearch()</code>
- **/
- public final int find(SnmpOid index) {
- return Arrays.binarySearch(indexes,index,oidComparator);
- }
-
- // SnmpTableHandler.getData()
- public Object getData(SnmpOid index) {
- final int pos = find(index);
- if ((pos < 0)||(pos >= datas.length)) return null;
- return datas[pos];
- }
-
- // SnmpTableHandler.getNext()
- public SnmpOid getNext(SnmpOid index) {
- if (index == null) {
- if (indexes.length>0) return indexes[0];
- else return null;
- }
- final int pos = find(index);
- if (pos > -1) {
- if (pos < (indexes.length -1) ) return indexes[pos+1];
- else return null;
- }
- final int insertion = -pos -1;
- if ((insertion > -1) && (insertion < indexes.length))
- return indexes[insertion];
- else return null;
- }
-
- // SnmpTableHandler.contains()
- public boolean contains(SnmpOid index) {
- final int pos = find(index);
- return ((pos > -1)&&(pos < indexes.length));
- }
-
-}