Java Map Add addToMap(Map map, int initialKey, T value)

Description

Adds a value to the given Map.

License

Open Source License

Return

the index used to insert the value

Declaration

public static <T> int addToMap(Map<Integer, T> map, int initialKey, T value) 

Method Source Code

//package com.java2s;
/*/*from  ww w  .  j a v  a 2  s  .  c o m*/
 * ***** BEGIN LICENSE BLOCK *****
 * Zimbra Collaboration Suite Server
 * Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Synacor, Inc.
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software Foundation,
 * version 2 of the License.
 *
 * This program 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 for more details.
 * You should have received a copy of the GNU General Public License along with this program.
 * If not, see <https://www.gnu.org/licenses/>.
 * ***** END LICENSE BLOCK *****
 */

import java.util.Map;

public class Main {
    /**
     * Adds a value to the given <tt>Map</tt>.  If <tt>initialKey</tt> already
     * exists in the map, uses the next available index instead.  This way we
     * guarantee that we don't lose data if the client sends two elements with
     * the same index, or doesn't specify the index at all.
     *
     * @return the index used to insert the value
     */
    public static <T> int addToMap(Map<Integer, T> map, int initialKey, T value) {
        int i = initialKey;
        while (true) {
            if (!map.containsKey(i)) {
                map.put(i, value);
                return i;
            }
            i++;
        }
    }
}

Related

1. addToListMap(Map> map, K key, V value)
2. addToListMap(Map> map, String key, String value)
3. addToListMap(Map> map, T key, T value)
4. addToListMap(Map> map, T key, V val)
5. addToListMap(Map> map, TKey key, TValue value)
6. addToMap(Map data, K key, T value, Class clz)
7. addToMap(Map map, K key, V value)
8. addToMap(Map map, K key, V value)
9. addToMap(Map> cfs, String[] qualSplits, String[] splitQual)