Examples with EntitiesRequestContext org.hypertrace.gateway.service.entity.EntitiesRequestContext used on opensource projects

Example 1 with EntitiesRequestContext

use of org.hypertrace.gateway.service.entity.EntitiesRequestContext in project gateway-service by hypertrace.

the class EntityDataServiceEntityFetcher method getEntities.

@Override
public EntityFetcherResponse getEntities(EntitiesRequestContext requestContext, EntitiesRequest entitiesRequest) {
    List<String> entityIdAttributeIds = AttributeMetadataUtil.getIdAttributeIds(attributeMetadataProvider, entityIdColumnsConfigs, requestContext, entitiesRequest.getEntityType());
    Map<String, List<String>> requestedAliasesByEntityIdAttributeIds = getExpectedResultNamesForEachAttributeId(entitiesRequest.getSelectionList(), entityIdAttributeIds);
    EntityQueryRequest.Builder builder = EntityQueryRequest.newBuilder().setEntityType(entitiesRequest.getEntityType()).setFilter(EntityServiceAndGatewayServiceConverter.convertToEntityServiceFilter(entitiesRequest.getFilter())).addAllSelection(entityIdAttributeIds.stream().map(entityIdAttr -> EntityServiceAndGatewayServiceConverter.createColumnExpression(entityIdAttr).build()).collect(Collectors.toList()));
    // add time filter for supported scope
    if (!entitiesRequest.getIncludeNonLiveEntities()) {
        EntityServiceAndGatewayServiceConverter.addBetweenTimeFilter(entitiesRequest.getStartTimeMillis(), entitiesRequest.getEndTimeMillis(), attributeMetadataProvider, entitiesRequest, builder, requestContext);
    }
    // Add all expressions in the select that are already not part of the EntityID attributes
    entitiesRequest.getSelectionList().stream().filter(ExpressionReader::isAttributeSelection).filter(expression -> ExpressionReader.getAttributeIdFromAttributeSelection(expression).map(attributeId -> !entityIdAttributeIds.contains(attributeId)).orElse(true)).forEach(expression -> builder.addSelection(EntityServiceAndGatewayServiceConverter.convertToEntityServiceExpression(expression)));
    int limit = entitiesRequest.getLimit();
    if (limit > 0) {
        builder.setLimit(limit);
    }
    int offset = entitiesRequest.getOffset();
    if (offset > 0) {
        builder.setOffset(offset);
    }
    if (!entitiesRequest.getOrderByList().isEmpty()) {
        builder.addAllOrderBy(EntityServiceAndGatewayServiceConverter.convertToOrderByExpressions(entitiesRequest.getOrderByList()));
    }
    EntityQueryRequest entityQueryRequest = builder.build();
    LOG.debug("Sending Query to EDS  ======== \n {}", entityQueryRequest);
    Iterator<ResultSetChunk> resultSetChunkIterator = entityQueryServiceClient.execute(builder.build(), requestContext.getHeaders());
    Map<String, AttributeMetadata> resultMetadataMap = this.getAttributeMetadataByAlias(requestContext, entitiesRequest);
    // We want to retain the order as returned from the respective source. Hence using a
    // LinkedHashMap
    Map<EntityKey, Builder> entityBuilders = new LinkedHashMap<>();
    while (resultSetChunkIterator.hasNext()) {
        ResultSetChunk chunk = resultSetChunkIterator.next();
        LOG.debug("Received chunk: {}", chunk);
        if (chunk.getRowCount() < 1) {
            break;
        }
        for (Row row : chunk.getRowList()) {
            // Construct the entity id from the entityIdAttributes columns
            EntityKey entityKey = EntityKey.of(IntStream.range(0, entityIdAttributeIds.size()).mapToObj(value -> row.getColumn(value).getString()).toArray(String[]::new));
            Builder entityBuilder = entityBuilders.computeIfAbsent(entityKey, k -> Entity.newBuilder());
            entityBuilder.setEntityType(entitiesRequest.getEntityType());
            entityBuilder.setId(entityKey.toString());
            // as post processing.
            for (int i = 0; i < entityIdAttributeIds.size(); i++) {
                entityBuilder.putAttribute(entityIdAttributeIds.get(i), Value.newBuilder().setString(entityKey.getAttributes().get(i)).setValueType(ValueType.STRING).build());
            }
            requestedAliasesByEntityIdAttributeIds.forEach((attributeId, requestedAliasList) -> requestedAliasList.forEach(requestedAlias -> entityBuilder.putAttribute(requestedAlias, entityBuilder.getAttributeOrThrow(attributeId))));
            for (int i = entityIdAttributeIds.size(); i < chunk.getResultSetMetadata().getColumnMetadataCount(); i++) {
                String resultName = chunk.getResultSetMetadata().getColumnMetadata(i).getColumnName();
                AttributeMetadata attributeMetadata = resultMetadataMap.get(resultName);
                entityBuilder.putAttribute(resultName, EntityServiceAndGatewayServiceConverter.convertQueryValueToGatewayValue(row.getColumn(i), attributeMetadata));
            }
        }
    }
    return new EntityFetcherResponse(entityBuilders);
}

Example 2 with EntitiesRequestContext

use of org.hypertrace.gateway.service.entity.EntitiesRequestContext in project gateway-service by hypertrace.

the class QueryServiceEntityFetcher method getEntities.

@Override
public EntityFetcherResponse getEntities(EntitiesRequestContext requestContext, EntitiesRequest entitiesRequest) {
    Map<String, AttributeMetadata> attributeMetadataMap = attributeMetadataProvider.getAttributesMetadata(requestContext, entitiesRequest.getEntityType());
    Map<String, AttributeMetadata> resultKeyToAttributeMetadataMap = this.remapAttributeMetadataByResultName(entitiesRequest, attributeMetadataMap);
    // Validate EntitiesRequest
    entitiesRequestValidator.validate(entitiesRequest, attributeMetadataMap);
    List<String> entityIdAttributeIds = AttributeMetadataUtil.getIdAttributeIds(attributeMetadataProvider, entityIdColumnsConfigs, requestContext, entitiesRequest.getEntityType());
    List<org.hypertrace.gateway.service.v1.common.Expression> aggregates = ExpressionReader.getFunctionExpressions(entitiesRequest.getSelectionList());
    Map<String, List<String>> requestedAliasesByEntityIdAttributeIds = getExpectedResultNamesForEachAttributeId(entitiesRequest.getSelectionList(), entityIdAttributeIds);
    QueryRequest.Builder builder = constructSelectionQuery(requestContext, entitiesRequest, entityIdAttributeIds, aggregates);
    adjustLimitAndOffset(builder, entitiesRequest.getLimit(), entitiesRequest.getOffset());
    if (!entitiesRequest.getOrderByList().isEmpty()) {
        // Order by from the request.
        builder.addAllOrderBy(QueryAndGatewayDtoConverter.convertToQueryOrderByExpressions(entitiesRequest.getOrderByList()));
    }
    QueryRequest queryRequest = builder.build();
    LOG.debug("Sending Query to Query Service ======== \n {}", queryRequest);
    Iterator<ResultSetChunk> resultSetChunkIterator = queryServiceClient.executeQuery(queryRequest, requestContext.getHeaders(), requestTimeout);
    // We want to retain the order as returned from the respective source. Hence using a
    // LinkedHashMap
    Map<EntityKey, Entity.Builder> entityBuilders = new LinkedHashMap<>();
    while (resultSetChunkIterator.hasNext()) {
        ResultSetChunk chunk = resultSetChunkIterator.next();
        LOG.debug("Received chunk: {}", chunk);
        if (chunk.getRowCount() < 1) {
            break;
        }
        for (Row row : chunk.getRowList()) {
            // Construct the entity id from the entityIdAttributeIds columns
            EntityKey entityKey = EntityKey.of(IntStream.range(0, entityIdAttributeIds.size()).mapToObj(value -> row.getColumn(value).getString()).toArray(String[]::new));
            Builder entityBuilder = entityBuilders.computeIfAbsent(entityKey, k -> Entity.newBuilder());
            entityBuilder.setEntityType(entitiesRequest.getEntityType());
            entityBuilder.setId(entityKey.toString());
            // as post processing.
            for (int i = 0; i < entityIdAttributeIds.size(); i++) {
                entityBuilder.putAttribute(entityIdAttributeIds.get(i), Value.newBuilder().setString(entityKey.getAttributes().get(i)).setValueType(ValueType.STRING).build());
            }
            requestedAliasesByEntityIdAttributeIds.forEach((attributeId, requestedAliasList) -> requestedAliasList.forEach(requestedAlias -> entityBuilder.putAttribute(requestedAlias, entityBuilder.getAttributeOrThrow(attributeId))));
            for (int i = entityIdAttributeIds.size(); i < chunk.getResultSetMetadata().getColumnMetadataCount(); i++) {
                ColumnMetadata metadata = chunk.getResultSetMetadata().getColumnMetadata(i);
                org.hypertrace.core.query.service.api.Value columnValue = row.getColumn(i);
                buildEntity(entityBuilder, requestContext, metadata, columnValue, resultKeyToAttributeMetadataMap, aggregates.isEmpty());
            }
        }
    }
    return new EntityFetcherResponse(entityBuilders);
}

Example 3 with EntitiesRequestContext

use of org.hypertrace.gateway.service.entity.EntitiesRequestContext in project gateway-service by hypertrace.

the class ExecutionTreeBuilderTest method test_build_selectAttributesAndFilterWithSameSource_shouldCreateDataFetcherNodeAndPaginateOnlyNode.

@Test
public void test_build_selectAttributesAndFilterWithSameSource_shouldCreateDataFetcherNodeAndPaginateOnlyNode() {
    OrderByExpression orderByExpression = buildOrderByExpression(API_STATE_ATTR);
    EntitiesRequest entitiesRequest = EntitiesRequest.newBuilder().setEntityType(AttributeScope.API.name()).addSelection(buildExpression(API_STATE_ATTR)).addSelection(buildAggregateExpression(API_NUM_CALLS_ATTR, FunctionType.SUM, "SUM_numCalls", List.of())).setFilter(generateAndOrNotFilter(Operator.AND, generateEQFilter(API_DISCOVERY_STATE, "DISCOVERED"), generateFilter(Operator.GE, API_NUM_CALLS_ATTR, Value.newBuilder().setDouble(60).setValueType(ValueType.DOUBLE).build()))).addOrderBy(orderByExpression).setLimit(10).setOffset(10).build();
    EntitiesRequestContext entitiesRequestContext = new EntitiesRequestContext(TENANT_ID, 0L, 10L, "API", "API.startTime", new HashMap<>());
    EntityExecutionContext executionContext = new EntityExecutionContext(attributeMetadataProvider, entityIdColumnsConfigs, entitiesRequestContext, entitiesRequest);
    ExecutionTreeBuilder executionTreeBuilder = new ExecutionTreeBuilder(executionContext);
    QueryNode executionTree = executionTreeBuilder.build();
    assertNotNull(executionTree);
    assertTrue(executionTree instanceof SelectionNode);
    assertTrue(((SelectionNode) executionTree).getAggMetricSelectionSources().contains("QS"));
    QueryNode paginateOnlyNode = ((SelectionNode) executionTree).getChildNode();
    assertTrue(paginateOnlyNode instanceof PaginateOnlyNode);
    assertEquals(10, ((PaginateOnlyNode) paginateOnlyNode).getOffset());
    assertEquals(10, ((PaginateOnlyNode) paginateOnlyNode).getLimit());
    QueryNode dataFetcherNode = ((PaginateOnlyNode) paginateOnlyNode).getChildNode();
    assertTrue(dataFetcherNode instanceof DataFetcherNode);
    assertEquals("QS", ((DataFetcherNode) dataFetcherNode).getSource());
    assertEquals(0, ((DataFetcherNode) dataFetcherNode).getOffset());
    assertEquals(20, ((DataFetcherNode) dataFetcherNode).getLimit());
}

Example 4 with EntitiesRequestContext

use of org.hypertrace.gateway.service.entity.EntitiesRequestContext in project gateway-service by hypertrace.

the class ExecutionTreeBuilderTest method test_build_selectAttributesTimeAggregationAndFilterWithSameSource_shouldCreateDataFetcherNode.

@Test
public void test_build_selectAttributesTimeAggregationAndFilterWithSameSource_shouldCreateDataFetcherNode() {
    EntitiesRequest entitiesRequest = EntitiesRequest.newBuilder().setEntityType(AttributeScope.API.name()).addSelection(buildExpression(API_STATE_ATTR)).addSelection(buildAggregateExpression(API_NUM_CALLS_ATTR, FunctionType.SUM, "SUM_numCalls", List.of())).addTimeAggregation(buildTimeAggregation(30, API_NUM_CALLS_ATTR, FunctionType.AVG, "AVG_numCalls", List.of())).setFilter(generateAndOrNotFilter(Operator.AND, generateEQFilter(API_STATE_ATTR, "state1"), generateFilter(Operator.GE, API_NUM_CALLS_ATTR, Value.newBuilder().setDouble(60).setValueType(ValueType.DOUBLE).build()))).setLimit(10).setOffset(0).build();
    EntitiesRequestContext entitiesRequestContext = new EntitiesRequestContext(TENANT_ID, 0L, 10L, "API", "API.startTime", new HashMap<>());
    EntityExecutionContext executionContext = new EntityExecutionContext(attributeMetadataProvider, entityIdColumnsConfigs, entitiesRequestContext, entitiesRequest);
    ExecutionTreeBuilder executionTreeBuilder = new ExecutionTreeBuilder(executionContext);
    QueryNode executionTree = executionTreeBuilder.build();
    assertNotNull(executionTree);
    assertTrue(executionTree instanceof SelectionNode);
    assertTrue(((SelectionNode) executionTree).getTimeSeriesSelectionSources().contains("QS"));
    QueryNode selectionNode = ((SelectionNode) executionTree).getChildNode();
    assertTrue(selectionNode instanceof SelectionNode);
    assertTrue(((SelectionNode) selectionNode).getAggMetricSelectionSources().contains("QS"));
    QueryNode paginateOnlyNode = ((SelectionNode) selectionNode).getChildNode();
    assertTrue(paginateOnlyNode instanceof PaginateOnlyNode);
    assertEquals(0, ((PaginateOnlyNode) paginateOnlyNode).getOffset());
    assertEquals(10, ((PaginateOnlyNode) paginateOnlyNode).getLimit());
    QueryNode dataFetcherNode = ((PaginateOnlyNode) paginateOnlyNode).getChildNode();
    assertTrue(dataFetcherNode instanceof DataFetcherNode);
    assertEquals("QS", ((DataFetcherNode) dataFetcherNode).getSource());
    assertEquals(0, ((DataFetcherNode) dataFetcherNode).getOffset());
    assertEquals(10, ((DataFetcherNode) dataFetcherNode).getLimit());
}

Example 5 with EntitiesRequestContext

use of org.hypertrace.gateway.service.entity.EntitiesRequestContext in project gateway-service by hypertrace.

the class ExecutionTreeBuilderTest method nonLiveEntities_noFilters_shouldFetchFromEds.

@Test
public void nonLiveEntities_noFilters_shouldFetchFromEds() {
    EntitiesRequest entitiesRequest = EntitiesRequest.newBuilder().setEntityType(AttributeScope.API.name()).addSelection(buildExpression(API_API_ID_ATTR)).setIncludeNonLiveEntities(true).build();
    EntitiesRequestContext entitiesRequestContext = new EntitiesRequestContext(TENANT_ID, entitiesRequest.getStartTimeMillis(), entitiesRequest.getEndTimeMillis(), "API", "API.startTime", new HashMap<>());
    EntityExecutionContext executionContext = new EntityExecutionContext(attributeMetadataProvider, entityIdColumnsConfigs, entitiesRequestContext, entitiesRequest);
    ExecutionTreeBuilder executionTreeBuilder = new ExecutionTreeBuilder(executionContext);
    QueryNode executionTree = executionTreeBuilder.build();
    assertNotNull(executionTree);
    assertTrue(executionTree instanceof DataFetcherNode);
    // should be EDS, since `setIncludeNonLiveEntities` is set to true, and there are no other
    // filters
    assertEquals(AttributeSource.EDS.name(), ((DataFetcherNode) executionTree).getSource());
}