●函数:
public static HDDataConnection getHDDataConnection(HDDataServer server) throws HDSdkException
参数:
参数名称 |
数据类型 |
参数说明 |
默认值 |
server |
HDDataServer |
实时数据库服务器类的实例化对象 |
|
●返回值:
返回值类型 |
返回值说明 |
HDDataConnection |
|
●异常:
当方法执行出错时,向上抛出HDSdkException异常
●说明:
该接口用于建立并获取实时数据库的数据连接。
调用getHDDataConnection后,不管调用是否成功,接口内部会开启自动重连的线程,调用者可以不用再调用getHDDataConnection,只要保证getHDDataConnection和dispose成对使用即可。
如果调用者需要调用getHDDataConnection直到成功为止,那么失败后再次调用getHDDataConnection前必须先调用dispose
●示例代码:
注: 标记为红色的代码行为当前接口的调用
import com.baosight.hdsdk.HDConnectionFactory;
import com.baosight.hdsdk.HDServerFactory;
import com.baosight.hdsdk.domain.data.HDBasicTag;
import com.baosight.hdsdk.domain.data.HDDataConnection;
import com.baosight.hdsdk.domain.data.HDDataServer;
import com.baosight.hdsdk.exception.HDSdkException;
public class IhdJavaSdkExample {
public static void main(String[] args) {
// 设置服务器信息
String serverIP = "168.2.237.1";
String bakIp = "168.2.237.2";
HDDataServer server = HDServerFactory.getHDDataServer(serverIP,5673,bakIp,5673);
HDDataConnection dataConn = null;
try {
dataConn = HDConnectionFactory.getHDDataConnection(server);
dataConn.loginToServer("admin", "admin");
dataConn.dispose();
} catch (HDSdkException e) {
e.printStackTrace();
}
}
}