nl: returns true if a memorybin with the given uri name already exists in this storage . concode_field_sep int _pageSize concode_elem_sep int DEFAULT_PAGESIZE concode_elem_sep Map<String,Bin> _binsByUri concode_field_sep Bin produceBin concode_elem_sep void rename concode_elem_sep Bin bin concode_elem_sep void bin concode_elem_sep void delete concode_elem_sep Bin open
code: boolean function ( String arg0 ) { return _binsByUri . containsKey ( arg0 ) ; }