VersionType (Hibernate JavaDocs)

All Superinterfaces:

java.io.Serializable, Type

All Known Implementing Classes:

BinaryType, ByteType, CalendarType, CustomType, DbTimestampType, InstantType, IntegerType, LocalDateTimeType, LongType, OffsetDateTimeType, RowVersionType, ShortType, TimestampType, ZonedDateTimeType
```
public interface VersionType<T>
extends Type
```
Additional contract for types which may be used to version (and optimistic lock) data.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Comparator<T>`	`getComparator()`	Get a comparator for version values.
`T`	`next(T current, SharedSessionContractImplementor session)`	Increment the version.
`T`	`seed(SharedSessionContractImplementor session)`	Generate an initial version.

Methods inherited from interface org.hibernate.type.Type
assemble, beforeAssemble, compare, deepCopy, defaultSizes, dictatedSizes, disassemble, getColumnSpan, getHashCode, getHashCode, getName, getReturnedClass, getSemiResolvedType, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isDirty, isEntityType, isEqual, isEqual, isModified, isMutable, isSame, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, replace, replace, resolve, resolve, semiResolve, sqlTypes, toColumnNullness, toLoggableString

- Method Detail
  - seed
```
T seed(SharedSessionContractImplementor session)
```
    Generate an initial version.
    
    Parameters:
    
    session - The session from which this request originates.
    
    Returns:
    
    an instance of the type
  - next
```
T next(T current,
       SharedSessionContractImplementor session)
```
    Increment the version.
    
    Parameters:
    
    session - The session from which this request originates.
    
    current - the current version
    
    Returns:
    
    an instance of the type
  - getComparator
```
java.util.Comparator<T> getComparator()
```
    Get a comparator for version values.
    
    Returns:
    
    The comparator to use to compare different version values.