com.alibaba.csp.sentinel.datasource

Interface ReadableDataSource<S,T>

Type Parameters:

S - source data type

T - target data type

All Known Implementing Classes:

AbstractDataSource, AutoRefreshDataSource, EmptyDataSource, FileInJarReadableDataSource, FileRefreshableDataSource

public interface ReadableDataSource<S,T>

The readable data source is responsible for retrieving configs (read-only).

Author:

leyou, Eric Zhao

Method Summary

Modifier and Type	Method and Description
void	close() Close the data source.
SentinelProperty<T>	getProperty() Get SentinelProperty of the data source.
T	loadConfig() Load data data source as the target type.
S	readSource() Read original data from the data source.

Method Detail

loadConfig

T loadConfig()
      throws Exception

Load data data source as the target type.

Returns:

the target data.

Throws:

Exception - IO or other error occurs

readSource

S readSource()
      throws Exception

Read original data from the data source.

Returns:

the original data.

Throws:

Exception - IO or other error occurs

getProperty

SentinelProperty<T> getProperty()

Get SentinelProperty of the data source.

Returns:

the property.

close

void close()
    throws Exception

Close the data source.

Throws:

Exception - IO or other error occurs