/**
* BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
*
* Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation; either version 3.0 of the License, or (at your option) any later
* version.
*
* BigBlueButton 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
*
*/
package org.bigbluebutton.web.services;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import java.util.HashMap;
import java.util.Map;
import org.bigbluebutton.api.domain.Poll;
public class RedisStorageService implements IStorageService{
JedisPool jedisPool;
private final String SEPARATOR = ":";
private final String ID_SEED = "nextID";
/* Meeting Patterns */
private final String MEETING = "meeting";
private final String POLL = "poll";
private final String POLL_ANSWER = "answer";
private final String POLL_RESULTS = "results";
/*
meeting:<id>:poll:list [1,2,3] <-- list
meeting:<id>:poll:<pollid> title, date <-- hash
meeting:<id>:poll:<pollid>:answer:list [1,2,3] <-- list
meeting:<id>:poll:<pollid>:answer:<answerid> answertext <-- key/value
meeting:<id>:poll:<pollid>:answer:<answerid>:results [<userid>|1] <-- Set
*/
public String generatePollID(String meetingID){
Jedis jedis = (Jedis) jedisPool.getResource();
String pattern = getPollRedisPattern(meetingID);
String pollID = Long.toString(jedis.incr(pattern + SEPARATOR + ID_SEED));
jedisPool.returnResource(jedis);
return pollID;
}
public String generatePollAnswerID(String meetingID){
Jedis jedis = jedisPool.getResource();
String pattern = getPollRedisPattern(meetingID);
String pollID = Long.toString(jedis.incr(pattern + SEPARATOR + POLL_ANSWER + SEPARATOR + ID_SEED));
jedisPool.returnResource(jedis);
return pollID;
}
public void storePoll(Poll p){
Jedis jedis = jedisPool.getResource();
String pattern = getPollRedisPattern(p.getMeetingID());
HashMap<String,String> pollMap = p.toMap();
jedis.hmset(pattern + SEPARATOR + p.getPollID(), pollMap);
jedisPool.returnResource(jedis);
}
public void storePollAnswers(String meetingID, String pollID, Map<String,String> answers){
Jedis jedis = jedisPool.getResource();
String pattern = getPollRedisPattern(meetingID);
//HashMap<String,String> pollMap = p.toMap();
//jedis.hmset(pattern + SEPARATOR + p.getPollID + SEPARATOR + POLL_ANSWER + SEPARATOR + ID_SEED, pollMap);
//jedisPool.returnResource(jedis);
}
private String getPollRedisPattern(String meetingID){
return MEETING + SEPARATOR + meetingID + SEPARATOR + POLL;
}
public void setJedisPool(JedisPool jedisPool){
this.jedisPool = jedisPool;
}
}