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OptimisticCacheSource (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.cache
Interface OptimisticCacheSource

All Known Subinterfaces:

EntityPersister, Loadable, Lockable, OuterJoinLoadable, PostInsertIdentityPersister, Queryable, SQLLoadable, UniqueKeyLoadable

All Known Implementing Classes:

AbstractEntityPersister

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public interface OptimisticCacheSource

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

Note currently EntityPersisters are the only viable source.

Author:

Steve Ebersole

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Method Summary
Comparator	getVersionComparator()           Get the comparator used to compare two different version values together.
boolean	isVersioned()           Does this source represent versioned (i.e., and thus optimistically lockable) data?

 

Method Detail

isVersioned

public boolean isVersioned()

Does this source represent versioned (i.e., and thus optimistically lockable) data?

Returns:

True if this source represents versioned data; false otherwise.

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getVersionComparator

public Comparator getVersionComparator()

Get the comparator used to compare two different version values together.

Returns:

An appropriate comparator.

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