question: public QuarkFactoryResult create ( Properties info ) throws QuarkException { try { Connection connection = new Connection ( info ) ; connection . runFlyWay ( ) ; DSSet dsSet = connection . getDSSet ( ) ; DBI dbi = connection . getDbi ( ) ; JdbcSourceDAO jdbcSourceDAO = dbi . onDemand ( JdbcSourceDAO . class ) ; QuboleDbSourceDAO quboleDbSourceDAO = dbi . onDemand ( QuboleDbSourceDAO . class ) ; CubeDAO cubeDAO = dbi . onDemand ( CubeDAO . class ) ; ViewDAO viewDAO = dbi . onDemand ( ViewDAO . class ) ; MeasureDAO measureDAO = dbi . onDemand ( MeasureDAO . class ) ; DimensionDAO dimensionDAO = dbi . onDemand ( DimensionDAO . class ) ; long dsSetId = dsSet . getId ( ) ; long defaultDataSourceId = dsSet . getDefaultDatasourceId ( ) ; List < JdbcSource > jdbcSources = jdbcSourceDAO . findByDSSetId ( dsSetId ) ; List < QuboleDbSource > quboleDbSources = quboleDbSourceDAO . findByDSSetId ( dsSetId ) ; List < DataSource > dataSources = new ArrayList < > ( ) ; dataSources . addAll ( jdbcSources ) ; dataSources . addAll ( quboleDbSources ) ; ImmutableList . Builder < com . qubole . quark . planner . DataSourceSchema > schemaList = new ImmutableList . Builder < > ( ) ; com . qubole . quark . planner . DataSourceSchema defaultSchema = null ; for ( DataSource dataSource : dataSources ) { com . qubole . quark . planner . DataSourceSchema dataSourceSchema = new DataSourceSchema ( dataSource . getProperties ( defaultDataSourceId ) ) ; if ( dataSource . getId ( ) == defaultDataSourceId ) { defaultSchema = dataSourceSchema ; } schemaList . add ( dataSourceSchema ) ; } RelSchema relSchema = getRelSchema ( viewDAO , cubeDAO , measureDAO , dimensionDAO , dsSetId ) ; return new QuarkFactoryResult ( schemaList . build ( ) , relSchema , defaultSchema ) ; } catch ( Exception se ) { LOG . error ( se . getMessage ( ) ) ; throw new QuarkException ( se ) ; } }
target:  Creates list of QuarkSchema