public AbstractRedisRegistry(URL url) {
super(url);
RedisRegistryUtil.assertNotAnyHost(url);
GenericObjectPoolConfig config = RedisRegistryUtil.genericObjectPoolConfig(url);
List<String> addresses = RedisRegistryUtil.getAddresses(url);
for (String address : addresses) {
JedisPool jedisPool = RedisRegistryUtil.initJedisPoolAndCheck(url, config, address);
jedisPools.put(address, jedisPool);
}
this.replicate = RedisRegistryUtil.getReplicate(url);
this.reconnectPeriod =
url.getParameter(
Constants.REGISTRY_RECONNECT_PERIOD_KEY, Constants.DEFAULT_REGISTRY_RECONNECT_PERIOD);
this.root = RedisRegistryUtil.getGroup(url);
this.expirePeriod =
url.getParameter(Constants.SESSION_TIMEOUT_KEY, Constants.DEFAULT_SESSION_TIMEOUT);
this.expireFuture =
expireExecutor.scheduleWithFixedDelay(
new Runnable() {
public void run() {
try {
deferExpired(); // 延长过期时间
} catch (Throwable t) { // 防御性容错
logger.error(
"Unexpected exception occur at defer expire time, cause: " + t.getMessage(),
t);
}
}
},
expirePeriod / 2,
expirePeriod / 2,
TimeUnit.MILLISECONDS);
}
