DataStorage (ElastosHiveSDK v2.3.2 API)

```
public interface DataStorage
```
The data storage for the access token, the backup credential, etc. which comes from the hive node.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`clearAccessToken(java.lang.String serviceDid)`
`void`	`clearAccessTokenByAddress(java.lang.String providerAddress)`
`void`	`clearBackupCredential(java.lang.String serviceDid)`
`java.lang.String`	`loadAccessToken(java.lang.String serviceDid)`
`java.lang.String`	`loadAccessTokenByAddress(java.lang.String providerAddress)`
`java.lang.String`	`loadBackupCredential(java.lang.String serviceDid)`
`void`	`storeAccessToken(java.lang.String serviceDid, java.lang.String accessToken)`
`void`	`storeAccessTokenByAddress(java.lang.String providerAddress, java.lang.String accessToken)`
`void`	`storeBackupCredential(java.lang.String serviceDid, java.lang.String credential)`

java.lang.String loadBackupCredential(java.lang.String serviceDid)

java.lang.String loadAccessToken(java.lang.String serviceDid)

java.lang.String loadAccessTokenByAddress(java.lang.String providerAddress)

void storeBackupCredential(java.lang.String serviceDid,
                           java.lang.String credential)

void storeAccessToken(java.lang.String serviceDid,
                      java.lang.String accessToken)

void storeAccessTokenByAddress(java.lang.String providerAddress,
                               java.lang.String accessToken)

void clearBackupCredential(java.lang.String serviceDid)

void clearAccessToken(java.lang.String serviceDid)

void clearAccessTokenByAddress(java.lang.String providerAddress)

Interface DataStorage