/// <summary>
/// Cascade to the collection elements
/// </summary>
/// <param name="action"></param>
/// <param name="style"></param>
/// <param name="collectionType"></param>
/// <param name="elemType"></param>
/// <param name="child"></param>
/// <param name="cascadeVia"></param>
/// <param name="session"></param>
/// <param name="anything"></param>
private static void CascadeCollection(
CascadingAction action,
CascadeStyle style,
PersistentCollectionType collectionType,
IType elemType,
object child,
CascadePoint cascadeVia,
ISessionImplementor session,
object anything)
{
// cascade to current collection elements
if (log.IsDebugEnabled)
{
log.Debug("cascading to collection: " + collectionType.Role);
}
ICollection iter = action.CascadableChildrenCollection(collectionType, child);
foreach (object obj in iter)
{
Cascade(session, obj, elemType, action, style, cascadeVia, anything);
}
// handle oprhaned entities!!
if (style.HasOrphanDelete && action.DeleteOrphans() && child is PersistentCollection)
{
// We can do the cast since orphan-delete does not apply to:
// 1. newly instatiated collections
// 2. arrays ( we can't track orphans for detached arrays)
DeleteOrphans(child as PersistentCollection, session);
}
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.ActionSaveUpdate ||
action == CascadingAction.ActionLock ||
action == CascadingAction.ActionReplicate ||
action == CascadingAction.ActionCopy);
}
/// <summary>
/// Check sub elements-nullability. Returns property path that break
/// nullability or null if none
/// </summary>
/// <param name="propertyType">type to check </param>
/// <param name="value">value to check </param>
/// <returns> property path </returns>
private string CheckSubElementsNullability(IType propertyType, object value)
{
//for non null args, check for components and elements containing components
if (propertyType.IsComponentType)
{
return(CheckComponentNullability(value, (IAbstractComponentType)propertyType));
}
else if (propertyType.IsCollectionType)
{
//persistent collections may have components
CollectionType collectionType = (CollectionType)propertyType;
IType collectionElementType = collectionType.GetElementType(session.Factory);
if (collectionElementType.IsComponentType)
{
//check for all components values in the collection
IAbstractComponentType componentType = (IAbstractComponentType)collectionElementType;
IEnumerable ec = CascadingAction.GetLoadedElementsIterator(session, collectionType, value);
foreach (object compValue in ec)
{
if (compValue != null)
{
return(CheckComponentNullability(compValue, componentType));
}
}
}
}
return(null);
}
/// <summary>
/// Cascade an action to the child or children
/// </summary>
/// <param name="session"></param>
/// <param name="child"></param>
/// <param name="type"></param>
/// <param name="action"></param>
/// <param name="style"></param>
/// <param name="cascadeTo"></param>
/// <param name="anything"></param>
private static void Cascade(
ISessionImplementor session,
object child,
IType type,
CascadingAction action,
CascadeStyle style,
CascadePoint cascadeTo,
object anything)
{
if (child != null)
{
if (type.IsAssociationType)
{
if ((( IAssociationType )type).ForeignKeyType.CascadeNow(cascadeTo))
{
if (type.IsEntityType || type.IsObjectType)
{
action.Cascade(session, child, anything);
}
else if (type.IsPersistentCollectionType)
{
CascadePoint cascadeVia;
if (cascadeTo == CascadePoint.CascadeAfterInsertBeforeDelete)
{
cascadeVia = CascadePoint.CascadeAfterInsertBeforeDeleteViaCollection;
}
else
{
cascadeVia = cascadeTo;
}
PersistentCollectionType pctype = ( PersistentCollectionType )type;
ICollectionPersister persister = session.Factory.GetCollectionPersister(pctype.Role);
IType elemType = persister.ElementType;
// cascade to current collection elements
if (elemType.IsEntityType || elemType.IsObjectType || elemType.IsComponentType)
{
CascadeCollection(action, style, pctype, elemType, child, cascadeVia, session, anything);
}
}
}
}
else if (type.IsComponentType)
{
IAbstractComponentType ctype = (( IAbstractComponentType )type);
object[] children = ctype.GetPropertyValues(child, session);
IType[] types = ctype.Subtypes;
for (int i = 0; i < types.Length; i++)
{
CascadeStyle componentPropertyStyle = ctype.Cascade(i);
if (componentPropertyStyle.DoCascade(action))
{
Cascade(session, children[i], types[i], action, componentPropertyStyle, cascadeTo, anything);
}
}
}
}
}
public CascadeEntityLoader(IOuterJoinLoadable persister, CascadingAction action, ISessionFactoryImplementor factory)
: base(persister, persister.IdentifierType, factory, new CollectionHelper.EmptyMapClass<string, IFilter>())
{
JoinWalker walker = new CascadeEntityJoinWalker(persister, action, factory);
InitFromWalker(walker);
PostInstantiate();
log.Debug(string.Format("Static select for action {0} on entity {1}: {2}", action, entityName, SqlString));
}
public CascadeEntityJoinWalker(IOuterJoinLoadable persister, CascadingAction action,
ISessionFactoryImplementor factory)
: base(persister, factory, new CollectionHelper.EmptyMapClass<string, IFilter>())
{
cascadeAction = action;
SqlStringBuilder whereCondition = WhereString(Alias, persister.IdentifierColumnNames, 1)
//include the discriminator and class-level where, but not filters
.Add(persister.FilterFragment(Alias, new CollectionHelper.EmptyMapClass<string, IFilter>()));
InitAll(whereCondition.ToSqlString(), SqlString.Empty, LockMode.Read);
}
public override bool ReallyDoCascade(CascadingAction action)
{
for (int i = 0; i < styles.Length; i++)
{
if (styles[i].ReallyDoCascade(action))
{
return(true);
}
}
return(false);
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Evict;
}
/// <summary>
/// Probably more aptly named something like doCascadeToCollectionElements();
/// it is however used from both the collection and to-one logic branches...
/// </summary>
/// <param name="action">The action to be checked for cascade-ability. </param>
/// <returns> True if the action should be really cascaded under this style; false otherwise. </returns>
/// <remarks>
/// For this style, should the given action really be cascaded? The default
/// implementation is simply to return {@link #doCascade}; for certain
/// styles (currently only delete-orphan), however, we need to be able to
/// control this separately.
/// </remarks>
public virtual bool ReallyDoCascade(CascadingAction action)
{
return(DoCascade(action));
}
public override bool ReallyDoCascade(CascadingAction action)
{
for (int i = 0; i < styles.Length; i++)
{
if (styles[i].ReallyDoCascade(action))
return true;
}
return false;
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Merge || action == CascadingAction.SaveUpdateCopy;
}
/// <summary>
/// Cascade an action from the parent object to all its children.
/// </summary>
/// <param name="session"></param>
/// <param name="persister"></param>
/// <param name="parent"></param>
/// <param name="action"></param>
/// <param name="cascadeTo"></param>
/// <param name="anything"></param>
public static void Cascade(ISessionImplementor session, IClassPersister persister, object parent, CascadingAction action, CascadePoint cascadeTo, object anything)
{
if (persister.HasCascades)
{
if (log.IsDebugEnabled)
{
log.Debug("processing cascades for: " + persister.ClassName);
}
IType[] types = persister.PropertyTypes;
CascadeStyle[] cascadeStyles = persister.PropertyCascadeStyles;
for (int i = 0; i < types.Length; i++)
{
CascadeStyle style = cascadeStyles[i];
if (style.DoCascade(action))
{
Cascade(session, persister.GetPropertyValue(parent, i), types[i], action, style, cascadeTo, anything);
}
}
if (log.IsDebugEnabled)
{
log.Debug("done processing cascades for: " + persister.ClassName);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="persister"></param>
/// <param name="parent"></param>
/// <param name="action"></param>
/// <param name="cascadeTo"></param>
public static void Cascade(ISessionImplementor session, IClassPersister persister, object parent, CascadingAction action, CascadePoint cascadeTo)
{
Cascade(session, persister, parent, action, cascadeTo, null);
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.ActionDelete);
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Merge;
}
public Cascade(CascadingAction action, CascadePoint point, IEventSource eventSource)
{
this.point = point;
this.eventSource = eventSource;
this.action = action;
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Delete || action == CascadingAction.SaveUpdate;
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.ActionSaveUpdate ||
action == CascadingAction.ActionLock ||
action == CascadingAction.ActionReplicate ||
action == CascadingAction.ActionCopy;
}
/// <summary>
/// Probably more aptly named something like doCascadeToCollectionElements();
/// it is however used from both the collection and to-one logic branches...
/// </summary>
/// <param name="action">The action to be checked for cascade-ability. </param>
/// <returns> True if the action should be really cascaded under this style; false otherwise. </returns>
/// <remarks>
/// For this style, should the given action really be cascaded? The default
/// implementation is simply to return {@link #doCascade}; for certain
/// styles (currently only delete-orphan), however, we need to be able to
/// control this separately.
/// </remarks>
public virtual bool ReallyDoCascade(CascadingAction action)
{
return DoCascade(action);
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.ActionDelete;
}
public override bool ReallyDoCascade(CascadingAction action)
{
return(action == CascadingAction.Delete);
}
/// <summary>
/// Cascade an action to the child or children
/// </summary>
/// <param name="session"></param>
/// <param name="child"></param>
/// <param name="type"></param>
/// <param name="action"></param>
/// <param name="style"></param>
/// <param name="cascadeTo"></param>
/// <param name="anything"></param>
private static void Cascade(
ISessionImplementor session,
object child,
IType type,
CascadingAction action,
CascadeStyle style,
CascadePoint cascadeTo,
object anything)
{
if (child != null)
{
if (type.IsAssociationType)
{
if (((IAssociationType) type).ForeignKeyDirection.CascadeNow(cascadeTo))
{
if (type.IsEntityType || type.IsAnyType)
{
action.Cascade(session, child, anything);
}
else if (type.IsCollectionType)
{
CascadePoint cascadeVia;
if (cascadeTo == CascadePoint.CascadeAfterInsertBeforeDelete)
{
cascadeVia = CascadePoint.CascadeAfterInsertBeforeDeleteViaCollection;
}
else
{
cascadeVia = cascadeTo;
}
CollectionType pctype = (CollectionType) type;
ICollectionPersister persister = session.Factory.GetCollectionPersister(pctype.Role);
IType elemType = persister.ElementType;
// cascade to current collection elements
if (elemType.IsEntityType || elemType.IsAnyType || elemType.IsComponentType)
{
CascadeCollection(action, style, pctype, elemType, child, cascadeVia, session, anything);
}
}
}
}
else if (type.IsComponentType)
{
IAbstractComponentType ctype = ((IAbstractComponentType) type);
object[] children = ctype.GetPropertyValues(child, session);
IType[] types = ctype.Subtypes;
for (int i = 0; i < types.Length; i++)
{
CascadeStyle componentPropertyStyle = ctype.GetCascadeStyle(i);
if (componentPropertyStyle.DoCascade(action))
{
Cascade(session, children[i], types[i], action, componentPropertyStyle, cascadeTo, anything);
}
}
}
}
}
/// <summary> For this style, should the given action be cascaded? </summary> /// <param name="action">The action to be checked for cascade-ability. </param> /// <returns> True if the action should be cascaded under this style; false otherwise. </returns> public abstract bool DoCascade(CascadingAction action);
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="persister"></param>
/// <param name="parent"></param>
/// <param name="action"></param>
/// <param name="cascadeTo"></param>
public static void Cascade(ISessionImplementor session, IEntityPersister persister, object parent,
CascadingAction action, CascadePoint cascadeTo)
{
Cascade(session, persister, parent, action, cascadeTo, null);
}
public override bool DoCascade(CascadingAction action)
{
return(true);
}
/// <summary>
/// Cascade an action from the parent object to all its children.
/// </summary>
/// <param name="session"></param>
/// <param name="persister"></param>
/// <param name="parent"></param>
/// <param name="action"></param>
/// <param name="cascadeTo"></param>
/// <param name="anything"></param>
public static void Cascade(ISessionImplementor session, IEntityPersister persister, object parent,
CascadingAction action, CascadePoint cascadeTo, object anything)
{
if (persister.HasCascades)
{
if (log.IsDebugEnabled)
{
log.Debug("processing cascades for: " + persister.ClassName);
}
IType[] types = persister.PropertyTypes;
CascadeStyle[] cascadeStyles = persister.PropertyCascadeStyles;
for (int i = 0; i < types.Length; i++)
{
CascadeStyle style = cascadeStyles[i];
if (style.DoCascade(action))
{
Cascade(session, persister.GetPropertyValue(parent, i), types[i], action, style, cascadeTo, anything);
}
}
if (log.IsDebugEnabled)
{
log.Debug("done processing cascades for: " + persister.ClassName);
}
}
}
public Cascade(CascadingAction action, CascadePoint point, IEventSource eventSource)
{
this.point = point;
this.eventSource = eventSource;
this.action = action;
}
/// <summary>
/// Cascade to the collection elements
/// </summary>
/// <param name="action"></param>
/// <param name="style"></param>
/// <param name="collectionType"></param>
/// <param name="elemType"></param>
/// <param name="child"></param>
/// <param name="cascadeVia"></param>
/// <param name="session"></param>
/// <param name="anything"></param>
private static void CascadeCollection(
CascadingAction action,
CascadeStyle style,
CollectionType collectionType,
IType elemType,
object child,
CascadePoint cascadeVia,
ISessionImplementor session,
object anything)
{
// cascade to current collection elements
if (log.IsDebugEnabled)
{
log.Debug("cascading to collection: " + collectionType.Role);
}
ICollection iter = action.CascadableChildrenCollection(collectionType, child);
foreach (object obj in iter)
{
Cascade(session, obj, elemType, action, style, cascadeVia, anything);
}
// handle oprhaned entities!!
if (style.HasOrphanDelete && action.DeleteOrphans() && child is IPersistentCollection)
{
// We can do the cast since orphan-delete does not apply to:
// 1. newly instatiated collections
// 2. arrays ( we can't track orphans for detached arrays)
System.Type entityName = collectionType.GetAssociatedClass(session.Factory);
DeleteOrphans(entityName, child as IPersistentCollection, session);
}
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Refresh;
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Refresh);
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Replicate;
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Replicate);
}
public override bool DoCascade(CascadingAction action)
{
return action == CascadingAction.Persist || action == CascadingAction.PersistOnFlush;
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Merge);
}
public override bool ReallyDoCascade(CascadingAction action)
{
return action == CascadingAction.Delete;
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Persist || action == CascadingAction.PersistOnFlush);
}
/// <summary> For this style, should the given action be cascaded? </summary> /// <param name="action">The action to be checked for cascade-ability. </param> /// <returns> True if the action should be cascaded under this style; false otherwise. </returns> public abstract bool DoCascade(CascadingAction action);
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Delete || action == CascadingAction.SaveUpdate);
}
public override bool DoCascade(CascadingAction action)
{
return true;
}
public override bool DoCascade(CascadingAction action)
{
return(action == CascadingAction.Merge || action == CascadingAction.SaveUpdateCopy);
}
