org.hibernate.cache

public Interface OptimisticCacheSource

Known Direct Subinterfaces: org.hibernate.persister.entity.EntityPersister
Known Direct Implementers: org.hibernate.cache.impl.bridge.OptimisticCacheSourceAdapter
Imports: java.util.Comparator

Contract for sources of optimistically lockable data sent to the second level cache.

Method Summary

Modifier and Type	Method and Description
public Comparator<T>	getVersionComparator() Get the comparator used to compare two different version values.
public boolean	Returns: True if the data is versioned; false otherwise. isVersioned() Is the data to be cached considered versioned?

getVersionComparator back to summary

getVersionComparator	back to summary
public Comparator<T> getVersionComparator() Get the comparator used to compare two different version values. May return null if `isVersioned()` returns false.

public Comparator<T> getVersionComparator()

Get the comparator used to compare two different version values.

May return null if isVersioned() returns false.

isVersioned back to summary

isVersioned	back to summary
public boolean isVersioned() Is the data to be cached considered versioned? If true, it is illegal for `getVersionComparator` to return null. Returns:boolean True if the data is versioned; false otherwise.

public boolean isVersioned()

Is the data to be cached considered versioned?

If true, it is illegal for getVersionComparator to return null.