com.alibaba.csp.sentinel.datasource.apollo

Class ApolloDataSource<T>

java.lang.Object

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

com.alibaba.csp.sentinel.datasource.apollo.ApolloDataSource<T>

All Implemented Interfaces:

ReadableDataSource<String,T>

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

A read-only DataSource with Apollo as its configuration source.
When the rule is changed in Apollo, it will take effect in real time.

Author:

Jason Song, Haojun Ren

Field Summary

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

parser, property

Constructor Summary

Constructors

Constructor and Description
ApolloDataSource(String namespaceName, String ruleKey, String defaultRuleValue, Converter<String,T> parser) Constructs the Apollo data source

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

ApolloDataSource

public ApolloDataSource(String namespaceName,
                        String ruleKey,
                        String defaultRuleValue,
                        Converter<String,T> parser)

Constructs the Apollo data source

Parameters:

namespaceName - the namespace name in Apollo, should not be null or empty

ruleKey - the rule key in the namespace, should not be null or empty

defaultRuleValue - the default rule value when the ruleKey is not found or any error occurred

parser - the parser to transform string configuration to actual flow rules

Method Detail

readSource

public String readSource()
                  throws Exception

Throws:

Exception

close

public void close()
           throws Exception

Throws:

Exception