本文整理汇总了Java中org.hibernate.persister.entity.EntityPersister.getNaturalIdentifierSnapshot方法的典型用法代码示例。如果您正苦于以下问题：Java EntityPersister.getNaturalIdentifierSnapshot方法的具体用法？Java EntityPersister.getNaturalIdentifierSnapshot怎么用？Java EntityPersister.getNaturalIdentifierSnapshot使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.hibernate.persister.entity.EntityPersister的用法示例。
在下文中一共展示了EntityPersister.getNaturalIdentifierSnapshot方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getNaturalIdSnapshot
import org.hibernate.persister.entity.EntityPersister; //导入方法依赖的package包/类
@Override
public Object[] getNaturalIdSnapshot(Serializable id, EntityPersister persister) throws HibernateException {
if ( !persister.hasNaturalIdentifier() ) {
return null;
}
persister = locateProperPersister( persister );
// let's first see if it is part of the natural id cache...
final Object[] cachedValue = naturalIdHelper.findCachedNaturalId( persister, id );
if ( cachedValue != null ) {
return cachedValue;
}
// check to see if the natural id is mutable/immutable
if ( persister.getEntityMetamodel().hasImmutableNaturalId() ) {
// an immutable natural-id is not retrieved during a normal database-snapshot operation...
final Object[] dbValue = persister.getNaturalIdentifierSnapshot( id, session );
naturalIdHelper.cacheNaturalIdCrossReferenceFromLoad(
persister,
id,
dbValue
);
return dbValue;
}
else {
// for a mutable natural there is a likelihood that the the information will already be
// snapshot-cached.
final int[] props = persister.getNaturalIdentifierProperties();
final Object[] entitySnapshot = getDatabaseSnapshot( id, persister );
if ( entitySnapshot == NO_ROW || entitySnapshot == null ) {
return null;
}
final Object[] naturalIdSnapshotSubSet = new Object[ props.length ];
for ( int i = 0; i < props.length; i++ ) {
naturalIdSnapshotSubSet[i] = entitySnapshot[ props[i] ];
}
naturalIdHelper.cacheNaturalIdCrossReferenceFromLoad(
persister,
id,
naturalIdSnapshotSubSet
);
return naturalIdSnapshotSubSet;
}
}