本文整理汇总了C#中IEventSource.Instantiate方法的典型用法代码示例。如果您正苦于以下问题：C# IEventSource.Instantiate方法的具体用法？C# IEventSource.Instantiate怎么用？C# IEventSource.Instantiate使用的例子？那么恭喜您, 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IEventSource的用法示例。
在下文中一共展示了IEventSource.Instantiate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C#代码示例。
示例1: MergeTransientEntity
private object MergeTransientEntity(object entity, string entityName, object requestedId, IEventSource source, IDictionary copyCache)
{
IEntityPersister persister = source.GetEntityPersister(entityName, entity);
object id = persister.HasIdentifierProperty ? persister.GetIdentifier(entity, source.EntityMode) : null;
object copy = null;
if (copyCache.Contains(entity))
{
copy = copyCache[entity];
persister.SetIdentifier(copy, id, source.EntityMode);
}
else
{
copy = source.Instantiate(persister, id);
((EventCache)copyCache).Add(entity, copy, true); // before cascade!
}
// cascade first, so that all unsaved objects get their
// copy created before we actually copy
//cascadeOnMerge(event, persister, entity, copyCache, Cascades.CASCADE_BEFORE_MERGE);
base.CascadeBeforeSave(source, persister, entity, copyCache);
CopyValues(persister, entity, copy, source, copyCache, ForeignKeyDirection.ForeignKeyFromParent);
try
{
// try saving; check for non-nullable properties that are null or transient entities before saving
this.SaveTransientEntity(copy, entityName, requestedId, source, copyCache);
}
catch (PropertyValueException ex)
{
string propertyName = ex.PropertyName;
object propertyFromCopy = persister.GetPropertyValue(copy, propertyName, source.EntityMode);
object propertyFromEntity = persister.GetPropertyValue(entity, propertyName, source.EntityMode);
IType propertyType = persister.GetPropertyType(propertyName);
EntityEntry copyEntry = source.PersistenceContext.GetEntry(copy);
if (propertyFromCopy == null || !propertyType.IsEntityType)
{
log.InfoFormat("property '{0}.{1}' is null or not an entity; {1} =[{2}]", copyEntry.EntityName, propertyName, propertyFromCopy);
throw;
}
if (!copyCache.Contains(propertyFromEntity))
{
log.InfoFormat("property '{0}.{1}' from original entity is not in copyCache; {1} =[{2}]", copyEntry.EntityName, propertyName, propertyFromEntity);
throw;
}
if (((EventCache)copyCache).IsOperatedOn(propertyFromEntity))
{
log.InfoFormat("property '{0}.{1}' from original entity is in copyCache and is in the process of being merged; {1} =[{2}]", copyEntry.EntityName, propertyName, propertyFromEntity);
}
else
{
log.InfoFormat("property '{0}.{1}' from original entity is in copyCache and is not in the process of being merged; {1} =[{2}]", copyEntry.EntityName, propertyName, propertyFromEntity);
}
// continue...; we'll find out if it ends up not getting saved later
}
// cascade first, so that all unsaved objects get their
// copy created before we actually copy
base.CascadeAfterSave(source, persister, entity, copyCache);
CopyValues(persister, entity, copy, source, copyCache, ForeignKeyDirection.ForeignKeyToParent);
return copy;
}