com.db4o.config.TMap Maven / Gradle / Ivy
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/* Copyright (C) 2004 - 2005 db4objects Inc. http://www.db4o.com
This file is part of the db4o open source object database.
db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.
db4o 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, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
package com.db4o.config;
import java.util.*;
import com.db4o.*;
/**
*/
public class TMap implements ObjectTranslator
{
public Object onStore(ObjectContainer con, Object object){
Map map = (Map)object;
Entry[] entries = new Entry[map.size()];
Iterator it = map.keySet().iterator();
int i = 0;
while(it.hasNext()){
entries[i] = new Entry();
entries[i].key = it.next();
entries[i].value = map.get(entries[i].key);
i++;
}
return entries;
}
public void onActivate(ObjectContainer con, Object object, Object members){
Map map = (Map)object;
map.clear();
if(members != null){
Entry[] entries = (Entry[]) members;
for(int i = 0; i < entries.length; i++){
if(entries[i] != null){
if(entries[i].key != null && entries[i].value != null){
map.put(entries[i].key,entries[i].value);
}
}
}
}
}
public Class storedClass(){
return Entry[].class;
}
}