Java Iterator from getPersistentKeysIterator(HashMap hashMap)

Description

Returns an iterator for the hash map keys that is not changed by parallel changes to the hash map.

License

Open Source License

Parameter

Parameter	Description
hashMap	a parameter

Declaration

public static Iterator getPersistentKeysIterator(HashMap hashMap) 

Method Source Code

//package com.java2s;
/**//from   w ww. j a va  2  s .  c  o  m
* 
* Copyright (C) 2004-2008 FhG Fokus
*
* This file is part of the FhG Fokus UPnP stack - an open source UPnP implementation
* with some additional features
*
* You can redistribute the FhG Fokus UPnP stack and/or modify it
* under the terms of the GNU General Public License Version 3 as published by
* the Free Software Foundation.
*
* For a license to use the FhG Fokus UPnP stack software under conditions
* other than those described here, or to purchase support for this
* software, please contact Fraunhofer FOKUS by e-mail at the following
* addresses:
*   upnpstack@fokus.fraunhofer.de
*
* The FhG Fokus UPnP stack 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 <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/

import java.util.HashMap;

import java.util.Iterator;

public class Main {
    /**
     * Returns an iterator for the hash map keys that is not changed by parallel changes to the hash map.
     * 
     * @param hashMap
     * @return
     */
    public static Iterator getPersistentKeysIterator(HashMap hashMap) {
        return ((HashMap) hashMap.clone()).keySet().iterator();
    }
}

Related

1. getIteratorOptionalValue(final Iterator stringIterator)
2. getLast(Iterator iterator)
3. getList(Iterator iterator)
4. getMaxLength(Iterator i)
5. getPerplexity(Iterator probStream)
6. getSigLinePastOtherAnnotations(String selfCmprurrentLine, Iterator line_itr)
7. getSomeElements(Iterator iterator, int limit)
8. getSubList(Iterator iterator, int startIndex, int numberOfItems)
9. getTypedIterator(Iterator it, Class clz)