| public ReallyDoCascade ( NHibernate.Engine.CascadingAction action ) : bool | ||
| action | NHibernate.Engine.CascadingAction | The action to be checked for cascade-ability. |
| Результат | bool | |
/// <summary> Cascade to the collection elements</summary>
private void CascadeCollectionElements(object parent, object child, CollectionType collectionType, CascadeStyle style, IType elemType, object anything, bool isCascadeDeleteEnabled)
{
bool reallyDoCascade = style.ReallyDoCascade(action) &&
child != CollectionType.UnfetchedCollection;
if (reallyDoCascade)
{
log.Info("cascade {0} for collection: {1}", action, collectionType.Role);
foreach (object o in action.GetCascadableChildrenIterator(eventSource, collectionType, child))
{
CascadeProperty(parent, o, elemType, style, null, anything, isCascadeDeleteEnabled);
}
log.Info("done cascade {0} for collection: {1}", action, collectionType.Role);
}
var childAsPersColl = child as IPersistentCollection;
bool deleteOrphans = style.HasOrphanDelete && action.DeleteOrphans && elemType.IsEntityType &&
childAsPersColl != null; //a newly instantiated collection can't have orphans
if (deleteOrphans)
{
// handle orphaned entities!!
log.Info("deleting orphans for collection: {0}", collectionType.Role);
// we can do the cast since orphan-delete does not apply to:
// 1. newly instantiated collections
// 2. arrays (we can't track orphans for detached arrays)
string entityName = collectionType.GetAssociatedEntityName(eventSource.Factory);
DeleteOrphans(entityName, childAsPersColl);
log.Info("done deleting orphans for collection: {0}", collectionType.Role);
}
}
/// <summary> Cascade an action to a to-one association or any type</summary>
private void CascadeToOne(object child, IType type, CascadeStyle style, object anything, bool isCascadeDeleteEnabled)
{
string entityName = type.IsEntityType ? ((EntityType)type).GetAssociatedEntityName() : null;
if (style.ReallyDoCascade(action))
{
//not really necessary, but good for consistency...
action.Cascade(eventSource, child, entityName, anything, isCascadeDeleteEnabled);
}
}
/// <summary> Cascade an action to a to-one association or any type</summary>
private void CascadeToOne(object parent, object child, IType type, CascadeStyle style, object anything, bool isCascadeDeleteEnabled)
{
string entityName = type.IsEntityType ? ((EntityType)type).GetAssociatedEntityName() : null;
if (style.ReallyDoCascade(action))
{
//not really necessary, but good for consistency...
eventSource.PersistenceContext.AddChildParent(child, parent);
try
{
action.Cascade(eventSource, child, entityName, anything, isCascadeDeleteEnabled);
}
finally
{
eventSource.PersistenceContext.RemoveChildParent(child);
}
}
}
/// <summary> Cascade an action to a to-one association or any type</summary>
private async Task CascadeToOneAsync(object parent, object child, IType type, CascadeStyle style, object anything, bool isCascadeDeleteEnabled, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
string entityName = type.IsEntityType ? ((EntityType)type).GetAssociatedEntityName() : null;
if (style.ReallyDoCascade(action))
{
//not really necessary, but good for consistency...
eventSource.PersistenceContext.AddChildParent(child, parent);
try
{
await(action.CascadeAsync(eventSource, child, entityName, anything, isCascadeDeleteEnabled, cancellationToken)).ConfigureAwait(false);
}
finally
{
eventSource.PersistenceContext.RemoveChildParent(child);
}
}
}
/// <summary> Cascade to the collection elements</summary>
private async Task CascadeCollectionElementsAsync(object parent, object child, CollectionType collectionType, CascadeStyle style, IType elemType, object anything, bool isCascadeDeleteEnabled, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
bool reallyDoCascade = style.ReallyDoCascade(action) &&
child != CollectionType.UnfetchedCollection;
if (reallyDoCascade)
{
log.Info("cascade " + action + " for collection: " + collectionType.Role);
foreach (object o in action.GetCascadableChildrenIterator(eventSource, collectionType, child))
{
await(CascadePropertyAsync(parent, o, elemType, style, null, anything, isCascadeDeleteEnabled, cancellationToken)).ConfigureAwait(false);
}
log.Info("done cascade " + action + " for collection: " + collectionType.Role);
}
var childAsPersColl = child as IPersistentCollection;
bool deleteOrphans = style.HasOrphanDelete && action.DeleteOrphans && elemType.IsEntityType &&
childAsPersColl != null; //a newly instantiated collection can't have orphans
if (deleteOrphans)
{
// handle orphaned entities!!
log.Info("deleting orphans for collection: " + collectionType.Role);
// we can do the cast since orphan-delete does not apply to:
// 1. newly instantiated collections
// 2. arrays (we can't track orphans for detached arrays)
string entityName = collectionType.GetAssociatedEntityName(eventSource.Factory);
await(DeleteOrphansAsync(entityName, childAsPersColl, cancellationToken)).ConfigureAwait(false);
log.Info("done deleting orphans for collection: " + collectionType.Role);
}
}
/// <summary> Cascade to the collection elements</summary>
private void CascadeCollectionElements(object child, CollectionType collectionType, CascadeStyle style, IType elemType, object anything, bool isCascadeDeleteEnabled)
{
// we can't cascade to non-embedded elements
bool embeddedElements = eventSource.EntityMode != EntityMode.Xml
|| ((EntityType) collectionType.GetElementType(eventSource.Factory)).IsEmbeddedInXML;
bool reallyDoCascade = style.ReallyDoCascade(action) && embeddedElements
&& child != CollectionType.UnfetchedCollection;
if (reallyDoCascade)
{
log.Info("cascade " + action + " for collection: " + collectionType.Role);
foreach (object o in action.GetCascadableChildrenIterator(eventSource, collectionType, child))
CascadeProperty(o, elemType, style, anything, isCascadeDeleteEnabled);
log.Info("done cascade " + action + " for collection: " + collectionType.Role);
}
var childAsPersColl = child as IPersistentCollection;
bool deleteOrphans = style.HasOrphanDelete && action.DeleteOrphans && elemType.IsEntityType
&& childAsPersColl != null; //a newly instantiated collection can't have orphans
if (deleteOrphans)
{
// handle orphaned entities!!
log.Info("deleting orphans for collection: " + collectionType.Role);
// we can do the cast since orphan-delete does not apply to:
// 1. newly instantiated collections
// 2. arrays (we can't track orphans for detached arrays)
string entityName = collectionType.GetAssociatedEntityName(eventSource.Factory);
DeleteOrphans(entityName, childAsPersColl);
log.Info("done deleting orphans for collection: " + collectionType.Role);
}
}
/// <summary> Cascade an action to a to-one association or any type</summary>
private void CascadeToOne(object child, IType type, CascadeStyle style, object anything, bool isCascadeDeleteEnabled)
{
string entityName = type.IsEntityType ? ((EntityType)type).GetAssociatedEntityName() : null;
if (style.ReallyDoCascade(action))
{
//not really necessary, but good for consistency...
action.Cascade(eventSource, child, entityName, anything, isCascadeDeleteEnabled);
}
}
/// <summary> Cascade an action to a to-one association or any type</summary>
private void CascadeToOne(object parent, object child, IType type, CascadeStyle style, object anything, bool isCascadeDeleteEnabled)
{
string entityName = type.IsEntityType ? ((EntityType)type).GetAssociatedEntityName() : null;
if (style.ReallyDoCascade(action))
{
//not really necessary, but good for consistency...
eventSource.PersistenceContext.AddChildParent(child, parent);
try
{
action.Cascade(eventSource, child, entityName, anything, isCascadeDeleteEnabled);
}
finally
{
eventSource.PersistenceContext.RemoveChildParent(child);
}
}
}
