Package nl.datasteel.crudcraft.projection.impl

Interface CollectionHydrator.RowFetcher

Enclosing class:

CollectionHydrator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface CollectionHydrator.RowFetcher

Functional interface used to fetch collection data for a given entity type.

Method Summary

Modifier and Type	Method	Description
CollectionHydrator.FetchResult	fetch(Class<?> entityType, List<ProjectionMetadata.Attribute> attributes, List<Object> ids)	Fetches rows for the specified entity type and attributes.

Method Details

fetch

CollectionHydrator.FetchResult fetch(Class<?> entityType,
 List<ProjectionMetadata.Attribute> attributes,
 List<Object> ids)

Fetches rows for the specified entity type and attributes. The rows are returned as a list of object arrays, where each array represents a row with the first element being the parent ID, followed by child IDs and their corresponding DTOs.

Parameters:

entityType - the type of the entity being projected

attributes - the collection attributes to fetch

ids - the IDs of the entities to fetch data for

Returns:

a FetchResult containing the fetched rows and join types