PropertyMapping (Hibernate JavaDocs)

All Known Subinterfaces:

Queryable, QueryableCollection, SQLLoadableCollection

All Known Implementing Classes:

AbstractCollectionPersister, AbstractEntityPersister, AbstractPropertyMapping, BasicCollectionPersister, BasicEntityPropertyMapping, CompositeElementPropertyMapping, ElementPropertyMapping, JoinedSubclassEntityPersister, OneToManyPersister, SingleTableEntityPersister, UnionSubclassEntityPersister
```
public interface PropertyMapping
```
Contract for all things that know how to map a property to the needed bits of SQL.
The column/formula fragments that represent a property in the table defining the property be obtained by calling toColumns(String).
Note, the methods here are generally ascribed to accept "property paths". That is a historical necessity because of how Hibernate originally understood composites (embeddables) internally. That is in the process of changing as Hibernate has added CompositeElementPropertyMapping todo (6.0) : move to org.hibernate.persister.spi - that is its more logical home. AFAIK this has never been documented as a public API todo (6.0) : re-word these Javadocs

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String[]`	`toColumns(String propertyName)`	Given a property path, return the corresponding column name(s).
`Type`	`toType(String propertyName)`	Given a component path expression, get the type of the property

- Method Detail
  - toType
```
Type toType(String propertyName)
     throws QueryException
```
    Given a component path expression, get the type of the property
    
    Throws:
    
    QueryException
  - toColumns
```
String[] toColumns(String propertyName)
            throws QueryException,
                   UnsupportedOperationException
```
    Given a property path, return the corresponding column name(s).
    
    Throws:
    
    QueryException
    
    UnsupportedOperationException