Examples with Pageable com.netflix.metacat.common.dto.Pageable used on opensource projects

Example 1 with Pageable

use of com.netflix.metacat.common.dto.Pageable in project metacat by Netflix.

the class S3ConnectorPartitionService method _getConnectorPartitions.

@SuppressWarnings("checkstyle:methodname")
private List<PartitionInfo> _getConnectorPartitions(final QualifiedName tableName, final String filterExpression, final List<String> partitionIds, final Sort sort, final Pageable pageable, final boolean includePartitionDetails) {
    // batch exists
    final boolean isBatched = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_BATCHID);
    // Support for dateCreated
    final boolean hasDateCreated = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_DATE_CREATED);
    String dateCreatedSqlCriteria = null;
    if (hasDateCreated) {
        dateCreatedSqlCriteria = getDateCreatedSqlCriteria(filterExpression);
    }
    // Table
    final Table table = getTable(tableName);
    final Collection<String> singlePartitionExprs = getSinglePartitionExprs(filterExpression);
    final List<Partition> partitions = partitionDao.getPartitions(table.getId(), partitionIds, singlePartitionExprs, dateCreatedSqlCriteria, sort, Strings.isNullOrEmpty(filterExpression) ? pageable : null);
    final FilterPartition filter = new FilterPartition();
    List<PartitionInfo> result = partitions.stream().filter(partition -> {
        Map<String, String> values = null;
        if (hasDateCreated) {
            values = Maps.newHashMap();
            values.put(FIELD_DATE_CREATED, (partition.getCreatedDate().getTime() / 1000) + "");
        }
        return Strings.isNullOrEmpty(filterExpression) || filter.evaluatePartitionExpression(filterExpression, partition.getName(), partition.getUri(), isBatched, values);
    }).map(partition -> infoConverter.toPartitionInfo(tableName, table, partition)).collect(Collectors.toList());
    //
    if (pageable != null && pageable.isPageable() && !Strings.isNullOrEmpty(filterExpression)) {
        int limit = pageable.getOffset() + pageable.getLimit();
        if (result.size() < limit) {
            limit = result.size();
        }
        if (pageable.getOffset() > limit) {
            result = Lists.newArrayList();
        } else {
            result = result.subList(pageable.getOffset(), limit);
        }
    }
    return result;
}

Example 2 with Pageable

use of com.netflix.metacat.common.dto.Pageable in project metacat by Netflix.

the class HiveConnectorFastPartitionService method getpartitions.

private List<PartitionInfo> getpartitions(@Nonnull @NonNull final String databaseName, @Nonnull @NonNull final String tableName, @Nullable final List<String> partitionIds, final String filterExpression, final Sort sort, final Pageable pageable, final boolean includePartitionDetails) {
    final FilterPartition filter = new FilterPartition();
    // batch exists
    final boolean isBatched = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_BATCHID);
    final boolean hasDateCreated = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_DATE_CREATED);
    // Handler for reading the result set
    final ResultSetHandler<List<PartitionDetail>> handler = rs -> {
        final List<PartitionDetail> result = Lists.newArrayList();
        while (rs.next()) {
            final String name = rs.getString("name");
            final String uri = rs.getString("uri");
            final long createdDate = rs.getLong(FIELD_DATE_CREATED);
            Map<String, String> values = null;
            if (hasDateCreated) {
                values = Maps.newHashMap();
                values.put(FIELD_DATE_CREATED, createdDate + "");
            }
            if (Strings.isNullOrEmpty(filterExpression) || filter.evaluatePartitionExpression(filterExpression, name, uri, isBatched, values)) {
                final Long id = rs.getLong("id");
                final Long sdId = rs.getLong("sd_id");
                final Long serdeId = rs.getLong("serde_id");
                final String inputFormat = rs.getString("input_format");
                final String outputFormat = rs.getString("output_format");
                final String serializationLib = rs.getString("slib");
                final StorageInfo storageInfo = new StorageInfo();
                storageInfo.setUri(uri);
                storageInfo.setInputFormat(inputFormat);
                storageInfo.setOutputFormat(outputFormat);
                storageInfo.setSerializationLib(serializationLib);
                final AuditInfo auditInfo = new AuditInfo();
                auditInfo.setCreatedDate(Date.from(Instant.ofEpochSecond(createdDate)));
                auditInfo.setLastModifiedDate(Date.from(Instant.ofEpochSecond(createdDate)));
                result.add(new PartitionDetail(id, sdId, serdeId, PartitionInfo.builder().name(QualifiedName.ofPartition(catalogName, databaseName, tableName, name)).auditInfo(auditInfo).serde(storageInfo).build()));
            }
        }
        return result;
    };
    final List<PartitionInfo> partitionInfos = new ArrayList<>();
    final List<PartitionDetail> partitions = getHandlerResults(databaseName, tableName, filterExpression, partitionIds, SQL_GET_PARTITIONS, handler, sort, pageable);
    if (includePartitionDetails && !partitions.isEmpty()) {
        final List<Long> partIds = Lists.newArrayListWithCapacity(partitions.size());
        final List<Long> sdIds = Lists.newArrayListWithCapacity(partitions.size());
        final List<Long> serdeIds = Lists.newArrayListWithCapacity(partitions.size());
        for (PartitionDetail partitionDetail : partitions) {
            partIds.add(partitionDetail.getId());
            sdIds.add(partitionDetail.getSdId());
            serdeIds.add(partitionDetail.getSerdeId());
        }
        final List<ListenableFuture<Void>> futures = Lists.newArrayList();
        final Map<Long, Map<String, String>> partitionParams = Maps.newHashMap();
        futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(partIds, SQL_GET_PARTITION_PARAMS, "part_id", partitionParams)));
        final Map<Long, Map<String, String>> sdParams = Maps.newHashMap();
        if (!sdIds.isEmpty()) {
            futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(sdIds, SQL_GET_SD_PARAMS, "sd_id", sdParams)));
        }
        final Map<Long, Map<String, String>> serdeParams = Maps.newHashMap();
        if (!serdeIds.isEmpty()) {
            futures.add(threadServiceManager.getExecutor().submit(() -> populateParameters(serdeIds, SQL_GET_SERDE_PARAMS, "serde_id", serdeParams)));
        }
        try {
            Futures.transform(Futures.successfulAsList(futures), Functions.constant(null)).get(1, TimeUnit.HOURS);
        } catch (Exception e) {
            Throwables.propagate(e);
        }
        for (PartitionDetail partitionDetail : partitions) {
            partitionDetail.getPartitionInfo().setMetadata(partitionParams.get(partitionDetail.getId()));
            partitionDetail.getPartitionInfo().getSerde().setParameters(sdParams.get(partitionDetail.getSdId()));
            partitionDetail.getPartitionInfo().getSerde().setSerdeInfoParameters(serdeParams.get(partitionDetail.getSerdeId()));
        }
    }
    for (PartitionDetail partitionDetail : partitions) {
        partitionInfos.add(partitionDetail.getPartitionInfo());
    }
    return partitionInfos;
}

Example 3 with Pageable

use of com.netflix.metacat.common.dto.Pageable in project metacat by Netflix.

the class HiveConnectorTableService method list.

/**
     * {@inheritDoc}.
     */
@Override
public List<TableInfo> list(@Nonnull @NonNull final ConnectorContext requestContext, @Nonnull @NonNull final QualifiedName name, @Nullable final QualifiedName prefix, @Nullable final Sort sort, @Nullable final Pageable pageable) {
    try {
        final List<TableInfo> tableInfos = Lists.newArrayList();
        for (String tableName : metacatHiveClient.getAllTables(name.getDatabaseName())) {
            final QualifiedName qualifiedName = QualifiedName.ofDatabase(name.getCatalogName(), tableName);
            if (!qualifiedName.toString().startsWith(prefix.toString())) {
                continue;
            }
            final Table table = metacatHiveClient.getTableByName(name.getDatabaseName(), tableName);
            tableInfos.add(hiveMetacatConverters.toTableInfo(name, table));
        }
        //supporting sort by name only
        if (sort != null) {
            ConnectorUtils.sort(tableInfos, sort, Comparator.comparing(p -> p.getName().getTableName()));
        }
        return ConnectorUtils.paginate(tableInfos, pageable);
    } catch (MetaException exception) {
        throw new DatabaseNotFoundException(name, exception);
    } catch (TException exception) {
        throw new ConnectorException(String.format("Failed list hive table %s", name), exception);
    }
}

Example 4 with Pageable

use of com.netflix.metacat.common.dto.Pageable in project metacat by Netflix.

the class HiveConnectorDatabaseService method list.

/**
     * {@inheritDoc}.
     */
@Override
public List<DatabaseInfo> list(@Nonnull @NonNull final ConnectorContext requestContext, @Nonnull @NonNull final QualifiedName name, @Nullable final QualifiedName prefix, @Nullable final Sort sort, @Nullable final Pageable pageable) {
    try {
        final List<DatabaseInfo> databaseInfos = Lists.newArrayList();
        for (String databaseName : metacatHiveClient.getAllDatabases()) {
            final QualifiedName qualifiedName = QualifiedName.ofDatabase(name.getCatalogName(), databaseName);
            if (!qualifiedName.toString().startsWith(prefix.toString())) {
                continue;
            }
            databaseInfos.add(DatabaseInfo.builder().name(qualifiedName).build());
        }
        //supporting sort by name only
        if (sort != null) {
            ConnectorUtils.sort(databaseInfos, sort, Comparator.comparing(p -> p.getName().getDatabaseName()));
        }
        return ConnectorUtils.paginate(databaseInfos, pageable);
    } catch (MetaException exception) {
        throw new InvalidMetaException(name, exception);
    } catch (TException exception) {
        throw new ConnectorException(String.format("Failed list hive database %s", name), exception);
    }
}

Example 5 with Pageable

use of com.netflix.metacat.common.dto.Pageable in project metacat by Netflix.

the class HiveConnectorFastPartitionService method getPartitionKeys.

/**
     * {@inheritDoc}.
     */
@Override
public List<String> getPartitionKeys(@Nonnull @NonNull final ConnectorContext requestContext, @Nonnull @NonNull final QualifiedName tableName, @Nonnull @NonNull final PartitionListRequest partitionsRequest) {
    final long start = registry.clock().monotonicTime();
    final Map<String, String> tags = new HashMap<String, String>();
    tags.put("request", "getPartitionKeys");
    final List<String> result;
    final List<String> partitionNames = partitionsRequest.getPartitionNames();
    final Sort sort = partitionsRequest.getSort();
    final Pageable pageable = partitionsRequest.getPageable();
    final String filterExpression = partitionsRequest.getFilter();
    if (filterExpression != null) {
        final FilterPartition filter = new FilterPartition();
        // batch exists
        final boolean isBatched = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_BATCHID);
        final boolean hasDateCreated = !Strings.isNullOrEmpty(filterExpression) && filterExpression.contains(FIELD_DATE_CREATED);
        // Handler for reading the result set
        final ResultSetHandler<List<String>> handler = rs -> {
            final List<String> names = Lists.newArrayList();
            while (rs.next()) {
                final String name = rs.getString("name");
                final String uri = rs.getString("uri");
                final long createdDate = rs.getLong(FIELD_DATE_CREATED);
                Map<String, String> values = null;
                if (hasDateCreated) {
                    values = Maps.newHashMap();
                    values.put(FIELD_DATE_CREATED, createdDate + "");
                }
                if (Strings.isNullOrEmpty(filterExpression) || filter.evaluatePartitionExpression(filterExpression, name, uri, isBatched, values)) {
                    names.add(name);
                }
            }
            return names;
        };
        result = getHandlerResults(tableName.getDatabaseName(), tableName.getTableName(), filterExpression, partitionNames, SQL_GET_PARTITIONS_WITH_KEY_URI, handler, sort, pageable);
    } else {
        // Handler for reading the result set
        final ResultSetHandler<List<String>> handler = rs -> {
            final List<String> names = Lists.newArrayList();
            while (rs.next()) {
                names.add(rs.getString("name"));
            }
            return names;
        };
        result = getHandlerResults(tableName.getDatabaseName(), tableName.getTableName(), null, partitionNames, SQL_GET_PARTITIONS_WITH_KEY, handler, sort, pageable);
    }
    final long duration = registry.clock().monotonicTime() - start;
    log.debug("### Time taken to complete getPartitionKeys is {} ms", duration);
    this.registry.timer(requestTimerId.withTags(tags)).record(duration, TimeUnit.MILLISECONDS);
    return result;
}