org.hibernate.envers.entities.mapper
Class SinglePropertyMapper

java.lang.Object
  org.hibernate.envers.entities.mapper.SinglePropertyMapper

All Implemented Interfaces:

PropertyMapper, SimpleMapperBuilder

public class SinglePropertyMapper
extends Object
implements PropertyMapper, SimpleMapperBuilder

TODO: diff

Author:

Adam Warski (adam at warski dot org)

Constructor Summary

SinglePropertyMapper()

Method Summary

void	add(PropertyData propertyData)
List<PersistentCollectionChangeData>	mapCollectionChanges(String referencingPropertyName, org.hibernate.collection.PersistentCollection newColl, Serializable oldColl, Serializable id) Maps collection changes
void	mapToEntityFromMap(AuditConfiguration verCfg, Object obj, Map data, Object primaryKey, AuditReaderImplementor versionsReader, Number revision) Maps properties from the given map to the given object.
boolean	mapToMapFromEntity(Map<String,Object> data, Object newObj, Object oldObj) Maps properties to the given map, basing on differences between properties of new and old objects.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SinglePropertyMapper

public SinglePropertyMapper()

Method Detail

add

public void add(PropertyData propertyData)

Specified by:

add in interface SimpleMapperBuilder

mapToMapFromEntity

public boolean mapToMapFromEntity(Map<String,Object> data,
                                  Object newObj,
                                  Object oldObj)

Description copied from interface: PropertyMapper

Maps properties to the given map, basing on differences between properties of new and old objects.

Specified by:

mapToMapFromEntity in interface PropertyMapper

Parameters:

data - Data to map to.

newObj - New state of the entity.

oldObj - Old state of the entity.

Returns:

True if there are any differences between the states represented by newObj and oldObj.

mapToEntityFromMap

public void mapToEntityFromMap(AuditConfiguration verCfg,
                               Object obj,
                               Map data,
                               Object primaryKey,
                               AuditReaderImplementor versionsReader,
                               Number revision)

Description copied from interface: PropertyMapper

Maps properties from the given map to the given object.

Specified by:

mapToEntityFromMap in interface PropertyMapper

Parameters:

verCfg - Versions configuration.

obj - Object to map to.

data - Data to map from.

primaryKey - Primary key of the object to which we map (for relations)

versionsReader - VersionsReader for reading relations

revision - Revision at which the object is read, for reading relations

mapCollectionChanges

public List<PersistentCollectionChangeData> mapCollectionChanges(String referencingPropertyName,
                                                                 org.hibernate.collection.PersistentCollection newColl,
                                                                 Serializable oldColl,
                                                                 Serializable id)

Description copied from interface: PropertyMapper

Maps collection changes

Specified by:

mapCollectionChanges in interface PropertyMapper

Parameters:

referencingPropertyName - Name of the field, which holds the collection in the entity.

newColl - New collection, after updates.

oldColl - Old collection, before updates.

id - Id of the object owning the collection.

Returns:

List of changes that need to be performed on the persistent store.