Examples with MulDbRequest com.webank.wedatasphere.qualitis.request.MulDbRequest used on opensource projects

Example 1 with MulDbRequest

use of com.webank.wedatasphere.qualitis.request.MulDbRequest in project Qualitis by WeBankFinTech.

the class MetaDataServiceImpl method addMultiDbRules.

@Override
@Transactional(rollbackFor = { Exception.class, UnExpectedRequestException.class })
public String addMultiDbRules(MulDbRequest request) throws UnExpectedRequestException, MetaDataAcquireFailedException {
    MulDbRequest.checkRequst(request);
    String loginUser = HttpUtils.getUserName(httpServletRequest);
    LOGGER.info("Start to get all tables with source database and target database.");
    List<String> sourceTableName = new ArrayList<>();
    List<String> targetTableName = new ArrayList<>();
    if (request.getSourceLinkisDataSourceId() == null) {
        GetUserTableByDbIdRequest sourceRequest = new GetUserTableByDbIdRequest(0, Integer.MAX_VALUE, request.getClusterName(), request.getSourceDb());
        sourceRequest.setProxyUser(request.getProxyUser());
        GeneralResponse<GetAllResponse<TableInfoDetail>> sourceTableInfos = getUserTableByDbId(sourceRequest);
        if (sourceTableInfos.getData().getTotal() <= 0) {
            throw new UnExpectedRequestException("Source database has no tables.");
        }
        sourceTableName.addAll(sourceTableInfos.getData().getData().stream().map(TableInfoDetail::getTableName).collect(Collectors.toList()));
    } else {
        Map response = getTablesByDataSource(request.getClusterName(), request.getProxyUser(), request.getSourceLinkisDataSourceId(), request.getSourceDb());
        List<String> tables = (List<String>) response.get("tables");
        for (String table : tables) {
            sourceTableName.add(table);
        }
    }
    if (request.getTargetLinkisDataSourceId() == null) {
        GetUserTableByDbIdRequest targetRequest = new GetUserTableByDbIdRequest(0, Integer.MAX_VALUE, request.getClusterName(), request.getTargetDb());
        targetRequest.setProxyUser(request.getProxyUser());
        GeneralResponse<GetAllResponse<TableInfoDetail>> targetTableInfos = getUserTableByDbId(targetRequest);
        if (targetTableInfos.getData().getTotal() <= 0) {
            throw new UnExpectedRequestException("Target database has no tables.");
        }
        targetTableName.addAll(targetTableInfos.getData().getData().stream().map(TableInfoDetail::getTableName).collect(Collectors.toList()));
    } else {
        Map response = getTablesByDataSource(request.getClusterName(), request.getProxyUser(), request.getTargetLinkisDataSourceId(), request.getTargetDb());
        List<String> tables = (List<String>) response.get("tables");
        for (String table : tables) {
            targetTableName.add(table);
        }
    }
    // Collect the table with the same name that exists in the source database and the target database.
    sourceTableName.retainAll(targetTableName);
    Set<String> ruleFailedTable = new HashSet<>();
    Long projectId = request.getProjectId();
    List<String> ruleTables = new ArrayList<>(ruleDataSourceDao.findByProjectId(projectId).stream().map(RuleDataSource::getTableName).distinct().collect(Collectors.toList()));
    // Filter tables for which rules have been created.
    sourceTableName = sourceTableName.stream().filter(tableName -> !ruleTables.contains(tableName)).collect(Collectors.toList());
    // Rule name index starts with the last created rule.
    int ruleIndex = ruleDao.findByProject(projectDao.findById(projectId)).size();
    // Filter tables with black list.
    sourceTableName = filterTablesWithBlackList(request.getBlackList(), sourceTableName);
    // White list.
    List<String> whiteList = request.getWhiteList();
    // Filter special table to compare with accuracy template.
    List<FilterRequest> filterRequests = request.getFilterRequests();
    List<FilterRequest> sameTableFilterRequests = filterRequests.stream().filter(filterRequest -> filterRequest.getSourceTable().equals(filterRequest.getTargetTable())).collect(Collectors.toList());
    List<String> filterSameTableName = sameTableFilterRequests.stream().map(FilterRequest::getSourceTable).collect(Collectors.toList());
    sourceTableName.removeAll(filterSameTableName);
    filterRequests.removeAll(sameTableFilterRequests);
    List<String> filterDiffTableName = filterRequests.stream().map(filterRequest -> filterRequest.getSourceTable() + SpecCharEnum.COLON.getValue() + filterRequest.getTargetTable()).collect(Collectors.toList());
    whiteList.removeAll(filterDiffTableName);
    filterRequests.addAll(sameTableFilterRequests);
    // Check flag: create rules in a loop, and only do permission verification for the first time.
    boolean check = true;
    int sourceTableSize = sourceTableName.size();
    int filterRequestsSize = filterRequests.size();
    int total = ruleIndex + sourceTableSize + whiteList.size() + filterRequestsSize;
    int i = ruleIndex;
    for (; i < ruleIndex + sourceTableSize; i++) {
        String currentSameTable = sourceTableName.get(i - ruleIndex);
        try {
            AddMultiSourceRuleRequest addMultiSourceRuleRequest = constructRequest(request, null, currentSameTable, currentSameTable, i, total, loginUser);
            LOGGER.info("Start to add {}th multi source rule.", i);
            if (i > 0) {
                check = false;
            }
            multiSourceRuleService.addMultiSourceRule(addMultiSourceRuleRequest, check);
        } catch (Exception e) {
            LOGGER.error("One of rule failed to add, rule index:[{}], table name: [{}], exception:{}", i, currentSameTable, e.getMessage());
            ruleFailedTable.add(currentSameTable);
        }
        LOGGER.info("Finish to add {}th multi source rule.", i);
    }
    // With white list.
    withWhiteListAndFilterRequest(i, ruleIndex, sourceTableSize, total, whiteList, filterRequests, request, loginUser, check);
    // Record the table that failed to create a rule.
    saveRuleFailedTableInLabel(ruleFailedTable, projectId);
    // projectEventService.record(projectId, loginUser, "create multi-source rule with dbs", "Success: " + (total - ruleFailedTable.size()) + "; Failed: " + ruleFailedTable.size(), EventTypeEnum.MODIFY_PROJECT.getCode());
    return request.getSourceDb() + " vs " + request.getSourceDb() + ": " + "{&CONTINUE_CREATE_RULES}";
}