FromClauseAccess (Hibernate JavaDocs)

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

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`TableGroup`	`findTableGroup(NavigablePath navigablePath)`	Find a TableGroup by the NavigablePath it is registered under.
`TableGroup`	`findTableGroupOnLeaf(NavigablePath navigablePath)`
`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 Detail
  - findTableGroupOnLeaf
```
TableGroup findTableGroupOnLeaf(NavigablePath navigablePath)
```
  - findTableGroup
```
TableGroup findTableGroup(NavigablePath navigablePath)
```
    Find a TableGroup by the NavigablePath it is registered under. Returns null if no TableGroup 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 thhis 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.query.NavigablePath), registerTableGroup(org.hibernate.query.NavigablePath, org.hibernate.sql.ast.tree.from.TableGroup)