Package org.hibernate.sql.results.graph

Interface EntityGraphTraversalState

All Known Implementing Classes:

StandardEntityGraphTraversalStateImpl

@Incubating
public interface EntityGraphTraversalState

State used as part of applying entity graphs to Hibernate DomainResult / Fetch load graphs.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	EntityGraphTraversalState.FetchStrategy
static class	EntityGraphTraversalState.TraversalResult	Details of a particular traversal within the entity graph

Method Summary

Modifier and Type	Method	Description
void	backtrack(EntityGraphTraversalState.TraversalResult previousContext)	Backtrack to previous entity graph status before last traversal.
EntityGraphTraversalState.TraversalResult	traverse(FetchParent parent, Fetchable fetchable, boolean exploreKeySubgraph)	Traverses to the next part of the Jakarta Persistence entity graph relating to the given fetchable.

Method Details

traverse

EntityGraphTraversalState.TraversalResult traverse(FetchParent parent,
 Fetchable fetchable,
 boolean exploreKeySubgraph)

Traverses to the next part of the Jakarta Persistence entity graph relating to the given fetchable.

The AttributeNode corresponding to the given `fetchable` is resolved. Depending on `exploreKeySubgraph`, either AttributeNode.getSubGraphs() or AttributeNode.getKeySubGraphs() will be used

backtrack

void backtrack(EntityGraphTraversalState.TraversalResult previousContext)

Backtrack to previous entity graph status before last traversal. Mainly reset the current context entity graph node to the passed method parameter.

Parameters:

previousContext - The previous entity graph context node; should not be null

See Also:

• traverse(FetchParent, Fetchable, boolean)