this.availableAuthenticationInfo = customInfoIfNecessay(masterFetched);
log.info(String.format("medialHAController customed for goup:[%s], and first auth info is : [%s]", this.group,
this.availableAuthenticationInfo));
this.supplier.addSwtichCallback(new DatasourceChangeCallback() {
@Override
public void masterChanged(DatasourceInfo newMaster) {
AuthenticationInfo newAuthenticationInfo = AuthenticationInfoUtils.createFrom(newMaster);
switchEventSource(newAuthenticationInfo);