com.alibaba.csp.sentinel.datasource.nacos

Class NacosDataSource<T>

java.lang.Object

com.alibaba.csp.sentinel.datasource.AbstractDataSource<String,T>

com.alibaba.csp.sentinel.datasource.nacos.NacosDataSource<T>

All Implemented Interfaces:

ReadableDataSource<String,T>

public class NacosDataSource<T>
extends AbstractDataSource<String,T>

A read-only DataSource with Nacos backend. When the data in Nacos backend has been modified, Nacos will automatically push the new value so that the dynamic configuration can be real-time.

Author:

Eric Zhao

Field Summary

Fields inherited from class com.alibaba.csp.sentinel.datasource.AbstractDataSource

parser, property

Constructor Summary

Constructors

Constructor and Description
NacosDataSource(Properties properties, String groupId, String dataId, Converter<String,T> parser)
NacosDataSource(String serverAddr, String groupId, String dataId, Converter<String,T> parser) Constructs an read-only DataSource with Nacos backend.

Method Summary

Modifier and Type	Method and Description
void	close()
String	readSource()

Methods inherited from class com.alibaba.csp.sentinel.datasource.AbstractDataSource

getProperty, loadConfig, loadConfig

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NacosDataSource

public NacosDataSource(String serverAddr,
                       String groupId,
                       String dataId,
                       Converter<String,T> parser)

Constructs an read-only DataSource with Nacos backend.

Parameters:

serverAddr - server address of Nacos, cannot be empty

groupId - group ID, cannot be empty

dataId - data ID, cannot be empty

parser - customized data parser, cannot be empty

NacosDataSource

public NacosDataSource(Properties properties,
                       String groupId,
                       String dataId,
                       Converter<String,T> parser)

Parameters:

properties - properties for construct ConfigService using NacosFactory.createConfigService(Properties)

groupId - group ID, cannot be empty

dataId - data ID, cannot be empty

parser - customized data parser, cannot be empty

Method Detail

readSource

public String readSource()
                  throws Exception

Throws:

Exception

close

public void close()