Java SortedMap Usage unwrapList(SortedMap sortedMap, K fromKey)

Description

Unwraps a sorted map and creates a list, starting with the element element mapped to the fromKey and then adding all elements after the from key until the end of the map, and then adding all elements from the beginning of the map up to (but not including) the first element.

License

Open Source License

Parameter

Parameter	Description
sortedMap	a parameter
fromKey	a parameter
K	a parameter
V	a parameter

Declaration

public static <K, V> List<V> unwrapList(SortedMap<K, V> sortedMap, K fromKey) 

Method Source Code

//package com.java2s;
/**//from   w  w  w  . j av a  2  s .c  om
 * Copyright (C) 2010 Cubeia Ltd <info@cubeia.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.ArrayList;

import java.util.List;
import java.util.SortedMap;

public class Main {
    /**
     * Unwraps a sorted map and creates a list, starting with the element element mapped to the fromKey and then
     * adding all elements after the from key until the end of the map, and then adding all elements from the beginning
     * of the map up to (but not including) the first element.
     *
     * @param sortedMap
     * @param fromKey
     * @param <K>
     * @param <V>
     * @return
     */
    public static <K, V> List<V> unwrapList(SortedMap<K, V> sortedMap, K fromKey) {
        List<V> list = new ArrayList<V>();

        list.addAll(sortedMap.tailMap(fromKey).values());
        list.addAll(sortedMap.headMap(fromKey).values());

        return list;
    }
}

Related

1. putWeightToBin(SortedMap hist, double bin, double weight)
2. removeSetFromBulkLm(Set toRemoveSet, List> byteSizeByNameList, String exceptRegex)
3. sortedMapOf(final Object obj, final Class keyCastTo, final Class valueCastTo)
4. submapWithPrefix(SortedMap map, String prefix)
5. unwrapList(SortedMap sortedMap, K fromKey)