/**
* 初始化<br>
* 设定文件中的host和端口有三种形式： --------------------- host = host:port --------------------- host = host
* port = port --------------------- #此种形式使用MongoDB默认端口 host = host ---------------------
*/
public synchronized void initSingle() {
if (setting == null) {
try {
setting = new Setting(MONGO_CONFIG_PATH, CharsetUtil.UTF_8, true);
} catch (Exception e) {
// 在single模式下，可以没有配置文件。
}
}
String group = StrUtil.EMPTY;
if (serverAddress == null) {
if (groups != null && groups.length == 1) {
group = groups[0];
}
serverAddress = createServerAddress(group);
}
try {
mongo = new MongoClient(serverAddress, buildMongoClientOptions(group));
} catch (Exception e) {
throw new UtilException(
StrUtil.format("Init MongoDB pool with connection to [{}] error!", serverAddress), e);
}
log.info("Init MongoDB pool with connection to [{}]", serverAddress);
}
/**
* 初始化集群<br>
* 集群的其它客户端设定参数使用全局设定<br>
* 集群中每一个实例成员用一个group表示，例如：<br>
* [db0] host = 10.11.49.157:27117 [db1] host = 10.11.49.157:27118 [db2] host = 10.11.49.157:27119
*/
public synchronized void initCloud() {
if (groups == null || groups.length == 0) {
throw new UtilException("Please give replication set groups!");
}
if (setting == null) {
// 若未指定配置文件，则使用默认配置文件
setting = new Setting(MONGO_CONFIG_PATH, Setting.DEFAULT_CHARSET, true);
}
List<ServerAddress> addrList = new ArrayList<ServerAddress>();
for (String group : groups) {
addrList.add(createServerAddress(group));
}
try {
mongo = new MongoClient(addrList, buildMongoClientOptions(StrUtil.EMPTY));
} catch (Exception e) {
log.error("Init MongoDB connection error!", e);
return;
}
log.info("Init MongoDB cloud Set pool with connection to {}", addrList);
}
/** 在垃圾回收（GC）被调用时关闭MongoDB客户端 */
@Override
protected void finalize() throws Throwable {
log.info("MongoDS is finalized!");
this.close();
super.finalize();
}