Examples with Scanner io.datarouter.scanner.Scanner used on opensource projects

Example 1 with Scanner

use of io.datarouter.scanner.Scanner in project datarouter by hotpads.

the class JobletHandler method list.

@Handler
private Mav list(@Param(PARAM_whereStatus) OptionalString pStatus, @Param(PARAM_type) OptionalString pType) {
    Scanner<JobletRequest> requests = jobletRequestDao.scan();
    if (pStatus.isPresent() && pType.isPresent()) {
        JobletStatus status = JobletStatus.fromPersistentStringStatic(pStatus.get());
        requests = requests.include(request -> status == request.getStatus()).include(request -> request.getKey().getType().equals(pType.get()));
    } else if (pStatus.isPresent() && pType.isEmpty()) {
        JobletStatus status = JobletStatus.fromPersistentStringStatic(pStatus.get());
        requests = requests.include(request -> status == request.getStatus());
    } else if (pStatus.isEmpty() && pType.isPresent()) {
        requests = requests.include(request -> request.getKey().getType().equals(pType.get()));
    }
    Collection<JobletSummary> summaries = JobletSummary.summarizeByTypeExecutionOrderStatus(requests);
    return pageFactory.startBuilder(request).withTitle(TITLE).withRequires(DatarouterWebRequireJsV2.SORTTABLE).withContent(makeContent(summaries)).buildMav();
}

Example 2 with Scanner

use of io.datarouter.scanner.Scanner in project datarouter by hotpads.

the class BaseDatarouterServletContextListener method buildExecuteOnActionsLists.

private void buildExecuteOnActionsLists(ServletContextEvent event) {
    DatarouterInjector injector = getInjector(event.getServletContext());
    Scanner.of(listenerClasses).map(injector::getInstance).forEach(allListeners::add);
    Scanner.of(webListenerClasses).map(injector::getInstance).each(listener -> listener.setServletContext(event.getServletContext())).forEach(allListeners::add);
    Scanner.of(allListeners).splitBy(DatarouterAppListener::safeToExecuteInParallel).map(Scanner::list).map(listeners -> new Pair<>(listeners.get(0).safeToExecuteInParallel() ? ExecutionMode.PARALLEL : ExecutionMode.SYNCHRONOUS, listeners)).forEach(listenersByExecutionMods::add);
}

Example 3 with Scanner

use of io.datarouter.scanner.Scanner in project datarouter by hotpads.

the class SpannerSingleTableSchemaUpdateService method performSchemaUpdate.

public Optional<SchemaUpdateResult> performSchemaUpdate(ClientId clientId, Supplier<List<String>> existingTableNames, PhysicalNode<?, ?, ?> physicalNode) {
    String tableName = physicalNode.getFieldInfo().getTableName();
    List<Field<?>> primaryKeyFields = physicalNode.getFieldInfo().getSamplePrimaryKey().getFields();
    List<? extends SpannerBaseFieldCodec<?, ?>> primaryKeyCodecs = fieldCodecRegistry.createCodecs(primaryKeyFields);
    for (SpannerBaseFieldCodec<?, ?> codec : primaryKeyCodecs) {
        if (codec.getSpannerColumnType().isArray()) {
            throw new RuntimeException("Invalid field type used for primary key: " + codec.getField().getKey().getName());
        }
    }
    List<SpannerIndex> indexes = new ArrayList<>();
    List<SpannerIndex> uniqueIndexes = Scanner.of(physicalNode.getFieldInfo().getUniqueIndexes().entrySet()).map(entry -> new SpannerIndex(tableName, entry.getKey(), entry.getValue(), Collections.emptyList(), true)).list();
    var statements = new SpannerUpdateStatements();
    String entityTableName = null;
    if (physicalNode instanceof IndexedStorage) {
        IndexedStorage<?, ?> indexedStorage = (IndexedStorage<?, ?>) physicalNode;
        indexes = Scanner.of(indexedStorage.getManagedNodes()).map(node -> new SpannerIndex(tableName, node.getName(), node.getIndexEntryFieldInfo().getPrimaryKeyFields(), node.getIndexEntryFieldInfo().getFields(), false)).list();
    }
    List<SpannerColumn> primaryKeyColumns = Scanner.of(primaryKeyCodecs).map(codec -> codec.getSpannerColumn(false)).list();
    List<SpannerColumn> nonKeyColumns = Scanner.of(fieldCodecRegistry.createCodecs(physicalNode.getFieldInfo().getNonKeyFields())).map(codec -> codec.getSpannerColumn(true)).list();
    if (!existingTableNames.get().contains(tableName)) {
        statements.updateFunction(tableOperationsGenerator.createTable(tableName, primaryKeyColumns, nonKeyColumns, entityTableName), updateOptions::getCreateTables, true);
        Scanner.of(indexes, uniqueIndexes).concat(Scanner::of).map(index -> createIndex(index, primaryKeyColumns)).forEach(statement -> statements.updateFunction(statement, updateOptions::getCreateTables, true));
    } else {
        DatabaseClient databaseClient = clientsHolder.getDatabaseClient(clientId);
        List<SpannerColumn> allColumns = Scanner.of(primaryKeyColumns, nonKeyColumns).concat(Scanner::of).list();
        ResultSet columnRs = databaseClient.singleUse().executeQuery(Statement.of(tableOperationsGenerator.getTableSchema(tableName)));
        ResultSet primaryKeyRs = databaseClient.singleUse().executeQuery(Statement.of(tableOperationsGenerator.getTableIndexColumnsSchema(tableName, "PRIMARY_KEY")));
        tableAlterSchemaService.generateUpdateStatementColumns(tableName, allColumns, primaryKeyColumns, columnRs, primaryKeyRs, statements);
        ResultSet indexesRs = databaseClient.singleUse().executeQuery(Statement.of(tableOperationsGenerator.getTableIndexSchema(tableName)));
        Set<String> currentIndexes = tableAlterSchemaService.getIndexes(indexesRs);
        Scanner.of(indexes, uniqueIndexes).concat(Scanner::of).forEach(index -> {
            Statement tableIndexColumnsSchema = Statement.of(tableOperationsGenerator.getTableIndexColumnsSchema(tableName, index.getIndexName()));
            ResultSet indexRs = databaseClient.singleUse().executeQuery(tableIndexColumnsSchema);
            if (!tableAlterSchemaService.indexEqual(index, indexRs)) {
                if (currentIndexes.contains(index.getIndexName())) {
                    statements.updateFunction(tableOperationsGenerator.dropIndex(index.getIndexName()), updateOptions::getDropIndexes, false);
                }
                statements.updateFunction(createIndex(index, primaryKeyColumns), updateOptions::getAddIndexes, true);
            }
            currentIndexes.remove(index.getIndexName());
        });
        currentIndexes.forEach(name -> statements.updateFunction(tableOperationsGenerator.dropIndex(name), updateOptions::getDropIndexes, false));
    }
    String errorMessage = null;
    if (!statements.getExecuteStatements().isEmpty()) {
        logger.info(SchemaUpdateTool.generateFullWidthMessage("Executing Spanner " + getClass().getSimpleName() + " SchemaUpdate"));
        logger.info(String.join("\n\n", statements.getExecuteStatements()));
        Database database = clientsHolder.getDatabase(clientId);
        OperationFuture<Void, UpdateDatabaseDdlMetadata> future = database.updateDdl(statements.getExecuteStatements(), null);
        errorMessage = FutureTool.get(future.getPollingFuture().getAttemptResult()).getErrorMessage();
        if (StringTool.notNullNorEmptyNorWhitespace(errorMessage)) {
            logger.error(errorMessage);
        }
    }
    if (statements.getPreventStartUp()) {
        errorMessage = "an alter on Spanner table " + tableName + " is required";
    }
    if (statements.getPrintStatements().isEmpty()) {
        return Optional.empty();
    }
    String printStatement = statements.getPrintStatements().stream().map(statement -> statement + ";").collect(Collectors.joining("\n"));
    SchemaUpdateTool.printSchemaUpdate(logger, printStatement);
    return Optional.of(new SchemaUpdateResult(printStatement, errorMessage, clientId));
}

Example 4 with Scanner

use of io.datarouter.scanner.Scanner in project datarouter by hotpads.

the class ClusterSettingService method scanClusterSettingAndValidityWithPrefix.

public Scanner<ClusterSettingAndValidityJspDto> scanClusterSettingAndValidityWithPrefix(String prefix) {
    WebappInstance currentWebappInstance = webappInstanceDao.get(webappInstanceService.buildCurrentWebappInstanceKey());
    Range<ClusterSettingKey> range = prefix == null ? Range.everything() : KeyRangeTool.forPrefixWithWildcard(prefix, name -> new ClusterSettingKey(name, null, null, null));
    return clusterSettingDao.scan(range).map(setting -> {
        ClusterSettingValidity validity = getValidityForWebappInstance(setting, currentWebappInstance);
        return new ClusterSettingAndValidityJspDto(setting, validity);
    });
}

Example 5 with Scanner

use of io.datarouter.scanner.Scanner in project datarouter by hotpads.

the class ScanningBlockReader method scanLeafBlockKeys.

private Scanner<BlockKey> scanLeafBlockKeys(long fromRecordIdInclusive) {
    BlockKey topBranchBlockKey = rootBlock.rootBranchBlockKey(snapshotKey);
    BranchBlock topBranchBlock = blockLoader.branch(topBranchBlockKey);
    return scanDescendantBranchBlocks(topBranchBlock, fromRecordIdInclusive).include(branchBlock -> branchBlock.level() == 0).concat(branchBlock -> {
        return Scanner.iterate(0, i -> i + 1).limit(branchBlock.numRecords()).include(index -> branchBlock.recordId(index) >= fromRecordIdInclusive).map(branchBlock::childBlock).map(leafBlockId -> branchBlock.leafBlockKey(snapshotKey, leafBlockId));
    });
}