/**
* Returns the fully qualified username of a particular database user. For an ordinary tenant, the
* tenant domain will be appended to the username together with an underscore and the given
* username will be returned as it is in the case of super tenant.
*
* @param username Username of the database user.
* @return Fully qualified username of the database user.
*/
public static String getFullyQualifiedUsername(String username) {
String tenantDomain = CarbonContext.getThreadLocalCarbonContext().getTenantDomain();
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
/* The maximum number of characters allowed for the username in mysql system tables is
* 16. Thus, to adhere the aforementioned constraint as well as to give the username
* an unique identification based on the tenant domain, we append a hash value that is
* created based on the tenant domain */
return username + "_" + RSSManagerHelper.getDatabaseUserPostfix();
}
return username;
}
public static DataSourceMetaInfo createDSMetaInfo(DatabaseInfo database, String username)
throws RSSManagerException {
DataSourceMetaInfo metaInfo = new DataSourceMetaInfo();
RDBMSConfiguration rdbmsConfiguration = new RDBMSConfiguration();
String url = database.getUrl();
String driverClassName = RSSManagerHelper.getDatabaseDriver(url);
rdbmsConfiguration.setUrl(url);
rdbmsConfiguration.setDriverClassName(driverClassName);
rdbmsConfiguration.setUsername(username);
metaInfo.setDefinition(createDSXMLDefinition(rdbmsConfiguration));
metaInfo.setName(database.getName());
return metaInfo;
}
/**
* Returns the fully qualified name of the database to be created. This will append an underscore
* and the tenant's domain name to the database to make it unique for that particular tenant. It
* will return the database name as it is, if it is created in Super tenant mode.
*
* @param databaseName Name of the database
* @return Fully qualified name of the database
* @throws RSSManagerException Is thrown if the functionality is interrupted
*/
public static String getFullyQualifiedDatabaseName(String databaseName)
throws RSSManagerException {
String tenantDomain;
try {
tenantDomain =
RSSManagerDataHolder.getInstance()
.getTenantManager()
.getDomain(CarbonContext.getThreadLocalCarbonContext().getTenantId());
} catch (Exception e) {
throw new RSSManagerException(
"Error occurred while composing fully qualified name "
+ "of the database '"
+ databaseName
+ "'",
e);
}
if (!MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
return databaseName + "_" + RSSManagerHelper.processDomainName(tenantDomain);
}
return databaseName;
}