creates the context . concode_field_sep InitialContext initialContext concode_elem_sep DataSource dataSource concode_elem_sep String dataSourceName concode_elem_sep String dbConnectString concode_field_sep Connection getConnection concode_elem_sep DataSource getDataSource concode_elem_sep void close concode_elem_sep void close concode_elem_sep void close concode_elem_sep void close concode_elem_sep void close
InitialContext function ( ) { if ( initialContext == null ) { initialContext = new InitialContext ( ) ; } return initialContext ; }