public RedisRegistry(AppContext appContext) {
super(appContext);
Config config = appContext.getConfig();
this.clusterName = config.getClusterName();
this.lock = new RedisLock("LTS_CLEAN_LOCK_KEY", config.getIdentity(), 2 * 60); // 锁两分钟过期
JedisPoolConfig redisConfig = new JedisPoolConfig();
// TODO 可以设置n多参数
String address = NodeRegistryUtils.getRealRegistryAddress(config.getRegistryAddress());
String cluster = config.getParameter("cluster", "failover");
if (!"failover".equals(cluster) && !"replicate".equals(cluster)) {
throw new IllegalArgumentException(
"Unsupported redis cluster: "
+ cluster
+ ". The redis cluster only supported failover or replicate.");
}
replicate = "replicate".equals(cluster);
this.reconnectPeriod =
config.getParameter(
ExtConfig.REGISTRY_RECONNECT_PERIOD_KEY, Constants.DEFAULT_REGISTRY_RECONNECT_PERIOD);
String[] addrs = address.split(",");
for (String addr : addrs) {
int i = addr.indexOf(':');
String host = addr.substring(0, i);
int port = Integer.parseInt(addr.substring(i + 1));
this.jedisPools.put(addr, new JedisPool(redisConfig, host, port, Constants.DEFAULT_TIMEOUT));
}
this.expirePeriod =
config.getParameter(ExtConfig.REDIS_SESSION_TIMEOUT, 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);
}
public ScheduledFuture<?> scheduleWithFixedDelay(
Runnable command, long initialDelay, long delay, TimeUnit unit) {
return e.scheduleWithFixedDelay(command, initialDelay, delay, unit);
}
