Java Code Examples for redis.clients.jedis.Jedis#ttl()

public Long ttl(String key) {
    log.trace("get set expire " + key);
    Jedis jedis = null;
    try {
        jedis = redisConnection.getJedis();
        jedis.select(dbIndex);
        return jedis.ttl(key);
    } catch (Exception e) {
        log.warn(e.getMessage(), e);
    } finally {
        if (jedis != null) {
            jedis.close();
        }
    }
    return -2L;
}
 

@Override
public Long ttl(String key) {
	Jedis jedis = jedisPool.getResource();
	Long result = jedis.ttl(key);
	jedis.close();
	return result;
}
 

/**
 * <p>
 * 以秒为单位，返回给定 key 的剩余生存时间
 * </p>
 *
 * @param key
 * @return 当 key 不存在时，返回 -2 。当 key 存在但没有设置剩余生存时间时，返回 -1 。否则，以秒为单位，返回 key
 *         的剩余生存时间。 发生异常 返回 0
 */
public Long ttl(String key,int indexdb) {
    Jedis jedis = null;
    try {
        jedis = jedisPool.getResource();
        jedis.select(indexdb);
        return jedis.ttl(key);
    } catch (Exception e) {

        log.error(e.getMessage());
        return 0L;
    } finally {
        returnResource(jedisPool, jedis);
    }
}
 

/**
 * 返回给定key的有效时间，以秒为单位 当 key 不存在时，返回 -2 。 当 key 存在但没有设置剩余生存时间时，返回 -1 。 否则，以秒为单位，返回 key 的剩余生存时间。
 *
 * @param key
 * @return
 * @author jiaheng
 * @date 2017-9-26
 */
public static long ttl(String key) {
    Long result = 0L;
    Jedis jedis = null;
    try {
        jedis = getResource();
        result = jedis.ttl(key);
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    } finally {
        close(jedis);
    }
    return result;
}
 

/**
 * 查询key的过期时间
 * 
 * @param key
 * @return 以秒为单位的时间表示
 */
public long ttl(String key) {
	// ShardedJedis sjedis = getShardedJedis();
	Jedis sjedis = getJedis();
	long len = sjedis.ttl(key);
	sjedis.close();
	return len;
}
 

/**
 * 获取剩余时间
 *
 * @param key
 * @return
 */
public Long ttl(String key) {
    Jedis jedis = null;
    try {
        jedis = getJedis();
        return jedis.ttl(key);
    } catch (Exception e) {
        log.error("ttl key:{} error", key, e);
        return null;
    } finally {
        close(jedis);
    }
}
 

@Override
public Long ttl(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.ttl(key);
    jedis.close();
    return result;
}
 

@Override
public Long ttl(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.ttl(key);
    jedis.close();
    return result;
}
 

@Override
public Long ttl(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.ttl(key);
    jedis.close();
    return result;
}
 

@Override
public long ttl(String key) {
	Jedis jedis = jedisPool.getResource();
	Long result = jedis.ttl(key);
	jedis.close();
	return result;
}
 

private boolean lockQueue(String queueID) {
    if (locked.get() == null) {
        synchronized (this) {
            if (locked.get() == null) {
                locked.set(new AtomicInteger(0));
            }
        }
    }
    boolean ret = false;
    @Cleanup Jedis jedis = jedisPool.getResource();
    if (locked.get().incrementAndGet() > 1) {
        return true;
    }
    String redisLockKey = makeRedisLockKey(queueID);
    long lockRequestTime = System.currentTimeMillis();
    while (true) {
        String result = jedis.set(redisLockKey, "lockTheQueue", "NX", "EX", 120);
        if (StringUtils.isNotEmpty(result) && result.equalsIgnoreCase("OK")) {
            ret = true;
            break;
        }
        if (lockRequestTime + lockWaitTimeStamp < System.currentTimeMillis()) {
            locked.get().decrementAndGet();
            break;
        }
        long sleepTime = jedis.ttl(redisLockKey) * 1000 - 10;
        if (sleepTime > lockRequestTime) {
            return false;
        }
        if (sleepTime > 0) {
            CommonUtil.sleep(sleepTime);
        }
    }
    return ret;
}
 

private boolean lockQueueInternal(String queueID) {
    if (locked.get() == null) {
        synchronized (this) {
            if (locked.get() == null) {
                locked.set(new AtomicInteger(0));
            }
        }
    }
    if (locked.get().incrementAndGet() > 1) {
        return true;
    }
    Jedis jedis = jedisPool.getResource();
    try {
        String redisLockKey = makeRedisLockKey(queueID);
        long lockRequestTime = System.currentTimeMillis();
        while (true) {
            String result = jedis.set(redisLockKey, "lockTheQueue", "NX", "EX", 120);
            if (result.equalsIgnoreCase("OK")) {
                return true;
            }
            if (lockRequestTime + lockWaitTimeStamp > System.currentTimeMillis()) {
                locked.get().decrementAndGet();
                return false;
            }
            long sleepTime = jedis.ttl(redisLockKey) * 1000 - 10;
            if (sleepTime > lockRequestTime) {
                return false;
            }
            if (sleepTime > 0) {
                CommonUtil.sleep(sleepTime / 4);
            }
        }
    } finally {
        IOUtils.closeQuietly(jedis);
    }
}
 

/**
 * 查询key的过期时间
 * 
 * @param String
 *            key
 * @return 以秒为单位的时间表示
 * */
public long ttl(String key) {
	// ShardedJedis sjedis = getShardedJedis();
	Jedis sjedis = getJedis();
	long len = sjedis.ttl(key);
	returnJedis(sjedis);
	return len;
}
 

public static Long getRedisTTL(String key, RedisSerializer keySerializer) {
    Jedis jedis = doGetRedisInstance();
    Long ttl = 0L;
    try {
        ttl = jedis.ttl(keySerializer.serialize(key));
    } catch (SerializationException e) {
        e.printStackTrace();
    }
    jedis.close();
    return ttl;
}
 

public void init() {
	this.setTitle("管理登陆状态");
	this.setSize(320, 430);
	Point p = WindowUtils.getPointForCentering(this);
	this.setLocation(p);
	this.setModal(true);
	this.statusField.setActionCommand(CMD_STATUS_SELECT);
	this.statusField.addActionListener(this);
	this.statusField.setSelectedIndex(user.getLoginStatus().ordinal());
	try {
		Jedis jedis = AdminJedis.getInstance().getJedis();
		Long ttlLong = jedis.ttl(LoginManager.getInstance().getUserPauseKey(user.getUsername()));
		if ( ttlLong != null && ttlLong.intValue()>0 ) {
			this.valueField.setValue(ttlLong.intValue());
		} else {
			this.valueField.setValue(0);
			if ( user.getLoginStatus() == UserLoginStatus.PAUSE ) {
				this.statusField.setSelectedIndex(0);
			}
		}
	} catch (Exception e) {
		e.printStackTrace();
	}
	this.descField.setText(user.getLoginStatusDesc());
	switch ( user.getStatus() ) {
		case NORMAL:
			this.chatField.setSelectedIndex(0);
			break;
		case CHAT_DISABLE:
			this.chatField.setSelectedIndex(1);
			break;
	}
	this.okButton.setActionCommand(ActionName.OK.name());
	this.okButton.addActionListener(this);
	this.cancelButton.setActionCommand(ActionName.CANCEL.name());
	this.cancelButton.addActionListener(this);
	this.previewButton.setActionCommand(CMD_PREVIEW);
	this.previewButton.addActionListener(this);
	
	JXPanel loginPanel = new JXPanel(new MigLayout("wrap 2, gap 10px", "[45%][55%]"));
	loginPanel.add(this.statusLabel, "sg lbl");
	loginPanel.add(this.statusField, "sg fd, grow");
	loginPanel.add(this.valueField, "sg fd, grow");
	loginPanel.add(this.timeUnitField, "sg fd, grow");
	loginPanel.add(this.descField, "span, grow");
	loginPanel.add(this.previewButton, "gaptop 5px, span, split 3, align center");		
	loginPanel.setBorder(BorderFactory.createTitledBorder("登陆管理"));
					
	JXPanel chatPanel = new JXPanel(new MigLayout("wrap 2, gap 10px", "[45%][55%]"));
	chatPanel.setBorder(BorderFactory.createTitledBorder("聊天管理"));
	chatPanel.add(this.chatLabel, "sg lbl");
	chatPanel.add(this.chatField, "sg fd, grow");
	
	JXPanel panel = new JXPanel(new MigLayout("wrap 1, gap 10px", "[100%]"));
	this.setLayout(new MigLayout("wrap 1"));
	panel.add(loginPanel);
	panel.add(chatPanel);
	panel.add(this.okButton, "gaptop 5px, span, split 3, align center");
	panel.add(this.cancelButton);

	this.add(panel, "width 100%, height 100%");
}
 

private Long ttl0(Jedis j, String key) {
	return j.ttl(key);
}