Package org.hibernate.sql.ast.spi

Interface FromClauseAccess

All Known Subinterfaces:

SqmTranslator<T>

All Known Implementing Classes:

BaseSqmToSqlAstConverter, FromClauseAccessImpl, FromClauseIndex, MultiTableSqmMutationConverter, SimpleFromClauseAccessImpl, StandardSqmTranslator, SybaseSqmToSqlAstConverter

public interface FromClauseAccess

Access to TableGroup indexing. The indexing is defined in terms of NavigablePath

Method Summary

Modifier and Type	Method	Description
TableGroup	findTableGroup(NavigablePath navigablePath)	Find a TableGroup by the NavigablePath it is registered under, and if not found on the current from clause level, ask the parent.
@Nullable TableGroup	findTableGroupByIdentificationVariable(String identificationVariable)
default TableGroup	findTableGroupForGetOrCreate(NavigablePath navigablePath)	Find the TableGroup by the NavigablePath for the purpose of creating a new TableGroup if none can be found.
TableGroup	findTableGroupOnCurrentFromClause(NavigablePath navigablePath)	Find a TableGroup in this from clause without consulting parents by the NavigablePath it is registered under.
default TableGroup	getTableGroup(NavigablePath navigablePath)	Get a TableGroup by the NavigablePath it is registered under.
void	registerTableGroup(NavigablePath navigablePath, TableGroup tableGroup)	Register a TableGroup under the given `navigablePath`.
default TableGroup	resolveTableGroup(NavigablePath navigablePath, Function<NavigablePath,TableGroup> creator)	Finds the TableGroup associated with the given `navigablePath`.

Method Details

findTableGroupOnCurrentFromClause

TableGroup findTableGroupOnCurrentFromClause(NavigablePath navigablePath)

Find a TableGroup in this from clause without consulting parents by the NavigablePath it is registered under. Returns null if no TableGroup is registered under that NavigablePath

findTableGroup

TableGroup findTableGroup(NavigablePath navigablePath)

Find a TableGroup by the NavigablePath it is registered under, and if not found on the current from clause level, ask the parent. Returns null if no TableGroup is registered under that NavigablePath

findTableGroupForGetOrCreate

default TableGroup findTableGroupForGetOrCreate(NavigablePath navigablePath)

Find the TableGroup by the NavigablePath for the purpose of creating a new TableGroup if none can be found. Returns null if no TableGroup or parent table group is registered under that NavigablePath

getTableGroup

default TableGroup getTableGroup(NavigablePath navigablePath)
                          throws SqlTreeCreationException

Get a TableGroup by the NavigablePath it is registered under. If there is no registration, an exception is thrown.

Throws:

SqlTreeCreationException

registerTableGroup

void registerTableGroup(NavigablePath navigablePath,
 TableGroup tableGroup)

Register a TableGroup under the given `navigablePath`. Logs a message if this registration over-writes an existing one.

resolveTableGroup

default TableGroup resolveTableGroup(NavigablePath navigablePath,
 Function<NavigablePath,TableGroup> creator)

Finds the TableGroup associated with the given `navigablePath`. If one is not found, it is created via the given `creator`, registered under `navigablePath` and returned.

See Also:

• findTableGroup(org.hibernate.spi.NavigablePath)
• registerTableGroup(org.hibernate.spi.NavigablePath, org.hibernate.sql.ast.tree.from.TableGroup)

API Note:

If the `creator` is called, there is no need for it to register the TableGroup it creates. It will be registered by this method after.

findTableGroupByIdentificationVariable

@Nullable TableGroup findTableGroupByIdentificationVariable(String identificationVariable)