/*
* Copyright (C) 2003-2013 eXo Platform SAS.
*
* 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 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/>.
*/
package org.exoplatform.forum.service.impl.model;
import java.util.List;
import org.exoplatform.forum.service.DataStorage;
import org.exoplatform.forum.service.Topic;
public class TopicListAccess extends AbstractListAccess<Topic> {
private TopicFilter filter;
private DataStorage storage;
private Type type;
public enum Type {
TOPICS, BY_DATE, BY_USER
}
public TopicListAccess(Type type, DataStorage storage, TopicFilter filter) {
this.filter = filter;
this.storage = storage;
this.type = type;
}
@Override
public Topic[] load(int index, int length) throws Exception, IllegalArgumentException {
List<Topic> got = null;
switch (type) {
case TOPICS:
got = storage.getTopics(filter, index, length);
break;
case BY_DATE:
got = storage.getTopicsByDate(filter.date(), filter.forumPath(), length, index);
break;
default:
break;
}
//
reCalculate(index, length);
if (got == null) {
return new Topic[] {};
}
return got.toArray(new Topic[got.size()]);
}
@Override
public int getSize() throws Exception {
switch (type) {
case TOPICS:
size = storage.getTopicsCount(filter);
break;
case BY_DATE:
size = (int) storage.getTotalTopicOld(filter.date(), filter.forumPath());
break;
default:
break;
}
return size;
}
@Override
public Topic[] load(int pageSelect) throws Exception, IllegalArgumentException {
int offset = getOffset(pageSelect);
int limit = getPageSize();
return load(offset, limit);
}
}