public CollectionFetchReturn(string alias, NonScalarReturn owner, string ownerProperty,
ICollectionAliases collectionAliases, IEntityAliases elementEntityAliases,
LockMode lockMode) : base(owner, ownerProperty, alias, lockMode)
{
this.collectionAliases = collectionAliases;
this.elementEntityAliases = elementEntityAliases;
}
public override object ReadFrom(IDataReader reader, ICollectionPersister role, ICollectionAliases descriptor,
object owner)
{
object element = role.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
bag.Add(element);
return element;
}
public CollectionReturn(string alias, string ownerEntityName, string ownerProperty,
ICollectionAliases collectionAliases, IEntityAliases elementEntityAliases, LockMode lockMode)
: base(alias, lockMode)
{
this.ownerEntityName = ownerEntityName;
this.ownerProperty = ownerProperty;
this.collectionAliases = collectionAliases;
this.elementEntityAliases = elementEntityAliases;
}
public override object ReadFrom(IDataReader reader, ICollectionPersister role, ICollectionAliases descriptor,
object owner)
{
// note that if we load this collection from a cartesian product
// the multiplicity would be broken ... so use an idbag instead
object element = role.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
// NH Different behavior : we don't check for null
// The NH-750 test show how checking for null we are ignoring the not-found tag and
// the DB may have some records ignored by NH. This issue may need some more deep consideration.
//if (element != null)
bag.Add(element);
return element;
}
public override object ReadFrom(DbDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
var element = (T)role.ReadElement(rs, owner, descriptor.SuffixedElementAliases, Session);
int index = (int)role.ReadIndex(rs, descriptor.SuffixedIndexAliases, Session);
//pad with nulls from the current last element up to the new index
for (int i = WrappedList.Count; i <= index; i++)
{
WrappedList.Insert(i, DefaultForType);
}
WrappedList[index] = element;
return(element);
}
public NonScalarReturn(SQLQueryContext context, bool queryHasAliases, string alias, LockMode lockMode, NonScalarReturn owner)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (string.IsNullOrEmpty(alias))
{
throw new HibernateException("alias must be specified");
}
this.alias = alias;
this.lockMode = lockMode;
this.owner = owner;
this.collectionPersister = context.GetCollectionPersister(alias);
if (this.collectionPersister != null)
{
var collectionPropertyResultMap = context.GetCollectionPropertyResultsMap(alias);
this.collectionAliases = queryHasAliases
? new GeneratedCollectionAliases(collectionPropertyResultMap, this.collectionPersister, context.GetCollectionSuffix(alias))
: (ICollectionAliases)new ColumnCollectionAliases(collectionPropertyResultMap, this.collectionPersister);
}
if (this.collectionPersister == null || this.CollectionPersister.ElementType.IsEntityType)
{
this.entityPersister = context.GetEntityPersister(alias);
if (this.entityPersister != null)
{
var entityPropertyResultMap = context.GetEntityPropertyResultsMap(alias);
this.entityAliases = queryHasAliases
? new DefaultEntityAliases(entityPropertyResultMap, this.entityPersister, context.GetEntitySuffix(alias))
: new ColumnEntityAliases(entityPropertyResultMap, this.entityPersister);
}
}
}
public override object ReadFrom(IDataReader reader, ICollectionPersister persister, ICollectionAliases descriptor,
object owner)
{
object element = persister.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
object tempObject = GetIdentifier(values.Count);
identifiers[values.Count] = persister.ReadIdentifier(reader, descriptor.SuffixedIdentifierAlias, Session);
object old = tempObject;
if (old == null)
{
values.Add(element); //maintain correct duplication if loaded in a cartesian product
}
return element;
}
public override async Task <object> ReadFromAsync(DbDataReader reader, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
// note that if we load this collection from a cartesian product
// the multiplicity would be broken ... so use an idbag instead
var element = await(role.ReadElementAsync(reader, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
if (element != null)
{
_gbag.Add((T)element);
}
return(element);
}
public override object ReadFrom(IDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
object element = role.ReadElement(rs, owner, descriptor.SuffixedElementAliases, Session);
int index = (int) role.ReadIndex(rs, descriptor.SuffixedIndexAliases, Session);
for (int i = tempList.Count; i <= index; i++)
{
tempList.Add(null);
}
tempList[index] = element;
return element;
}
public override object ReadFrom(IDataReader reader, ICollectionPersister persister, ICollectionAliases descriptor,
object owner)
{
object element = persister.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
object tempObject = GetIdentifier(values.Count);
identifiers[values.Count] = persister.ReadIdentifier(reader, descriptor.SuffixedIdentifierAlias, Session);
object old = tempObject;
if (old == null)
{
values.Add(element); //maintain correct duplication if loaded in a cartesian product
}
return(element);
}
public override object ReadFrom(DbDataReader reader, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
// note that if we load this collection from a cartesian product
// the multiplicity would be broken ... so use an idbag instead
var element = role.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
// NH Different behavior : we don't check for null
// The NH-750 test show how checking for null we are ignoring the not-found tag and
// the DB may have some records ignored by NH. This issue may need some more deep consideration.
//if (element != null)
_gbag.Add((T)element);
return(element);
}
public override async Task <object> ReadFromAsync(DbDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
object element = await(role.ReadElementAsync(rs, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
int index = (int)await(role.ReadIndexAsync(rs, descriptor.SuffixedIndexAliases, Session, cancellationToken)).ConfigureAwait(false);
for (int i = tempList.Count; i <= index; i++)
{
tempList.Add(null);
}
tempList[index] = element;
return(element);
}
public override async Task <object> ReadFromAsync(DbDataReader reader, ICollectionPersister persister, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
object element = await(persister.ReadElementAsync(reader, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
object id = await(persister.ReadIdentifierAsync(reader, descriptor.SuffixedIdentifierAlias, Session, cancellationToken)).ConfigureAwait(false);
// eliminate duplication if loaded in a cartesian product
if (!_identifiers.ContainsValue(id))
{
_identifiers[_values.Count] = id;
_values.Add((T)element);
}
return(element);
}
public override object ReadFrom(IDataReader reader, ICollectionPersister role, ICollectionAliases descriptor,
object owner)
{
object element = role.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
values.Add(element);
identifiers[values.Count - 1] = role.ReadIdentifier(reader, descriptor.SuffixedIdentifierAlias, Session);
return element;
}
public override object ReadFrom(DbDataReader reader, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
// note that if we load this collection from a cartesian product
// the multiplicity would be broken ... so use an idbag instead
var element = role.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
if (element != null)
{
_gbag.Add((T)element);
}
return(element);
}
public override async Task <object> ReadFromAsync(DbDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
object element = await(role.ReadElementAsync(rs, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
object index = await(role.ReadIndexAsync(rs, descriptor.SuffixedIndexAliases, Session, cancellationToken)).ConfigureAwait(false);
AddDuringInitialize(index, element);
return(element);
}
/// <summary>
/// Reads the row from the <see cref="DbDataReader"/>.
/// </summary>
/// <param name="reader">The DbDataReader that contains the value of the Identifier</param>
/// <param name="role">The persister for this Collection.</param>
/// <param name="descriptor">The descriptor providing result set column names</param>
/// <param name="owner">The owner of this Collection.</param>
/// <param name="cancellationToken">A cancellation token that can be used to cancel the work</param>
/// <returns>The object that was contained in the row.</returns>
public abstract Task <object> ReadFromAsync(DbDataReader reader, ICollectionPersister role, ICollectionAliases descriptor,
object owner, CancellationToken cancellationToken);
public override object ReadFrom(IDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
object element = role.ReadElement(rs, owner, descriptor.SuffixedElementAliases, Session);
int index = (int) role.ReadIndex(rs, descriptor.SuffixedIndexAliases, Session);
//pad with nulls from the current last element up to the new index
for (int i = list.Count; i <= index; i++)
{
list.Insert(i, DefaultForType);
}
list[index] = element;
return element;
}
/// <summary>
/// Reads the row from the <see cref="IDataReader"/>.
/// </summary>
/// <param name="reader">The IDataReader that contains the value of the Identifier</param>
/// <param name="role">The persister for this Collection.</param>
/// <param name="descriptor">The descriptor providing result set column names</param>
/// <param name="owner">The owner of this Collection.</param>
/// <returns>The object that was contained in the row.</returns>
public abstract object ReadFrom(IDataReader reader, ICollectionPersister role, ICollectionAliases descriptor,
object owner);
public override object ReadFrom(IDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
object element = role.ReadElement(rs, owner, descriptor.SuffixedElementAliases, Session);
object index = role.ReadIndex(rs, descriptor.SuffixedIndexAliases, Session);
map[index] = element;
return element;
}
public override async Task <object> ReadFromAsync(DbDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var element = (T)await(role.ReadElementAsync(rs, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
int index = (int)await(role.ReadIndexAsync(rs, descriptor.SuffixedIndexAliases, Session, cancellationToken)).ConfigureAwait(false);
//pad with nulls from the current last element up to the new index
for (int i = WrappedList.Count; i <= index; i++)
{
WrappedList.Insert(i, DefaultForType);
}
WrappedList[index] = element;
return(element);
}
public override object ReadFrom(IDataReader reader, ICollectionPersister persister, ICollectionAliases descriptor, object owner)
{
object element = persister.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
object id = persister.ReadIdentifier(reader, descriptor.SuffixedIdentifierAlias, Session);
// eliminate duplication if loaded in a cartesian product
if (!identifiers.ContainsValue(id))
{
identifiers[values.Count] = id;
values.Add(element);
}
return(element);
}
public override object ReadFrom(IDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner)
{
object element = role.ReadElement(rs, owner, descriptor.SuffixedElementAliases, Session);
if (element != null)
{
tempList.Add(element);
}
return element;
}
public override async Task <object> ReadFromAsync(DbDataReader reader, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
// note that if we load this collection from a cartesian product
// the multiplicity would be broken ... so use an idbag instead
var element = await(role.ReadElementAsync(reader, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
// NH Different behavior : we don't check for null
// The NH-750 test show how checking for null we are ignoring the not-found tag and
// the DB may have some records ignored by NH. This issue may need some more deep consideration.
//if (element != null)
_gbag.Add((T)element);
return(element);
}
public override async Task <object> ReadFromAsync(DbDataReader rs, ICollectionPersister role, ICollectionAliases descriptor, object owner, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var element = await(role.ReadElementAsync(rs, owner, descriptor.SuffixedElementAliases, Session, cancellationToken)).ConfigureAwait(false);
if (element != null)
{
_tempList.Add((T)element);
}
return(element);
}
public override object ReadFrom(IDataReader reader, ICollectionPersister persister, ICollectionAliases descriptor, object owner)
{
object element = persister.ReadElement(reader, owner, descriptor.SuffixedElementAliases, Session);
object id = persister.ReadIdentifier(reader, descriptor.SuffixedIdentifierAlias, Session);
// eliminate duplication if loaded in a cartesian product
if (!identifiers.ContainsValue(id))
{
identifiers[values.Count] = id;
values.Add(element);
}
return element;
}
/// <summary>
/// Read one collection element from the current row of the ADO.NET result set
/// </summary>
private static void ReadCollectionElement(object optionalOwner, object optionalKey, ICollectionPersister persister,
ICollectionAliases descriptor, IDataReader rs, ISessionImplementor session)
{
IPersistenceContext persistenceContext = session.PersistenceContext;
object collectionRowKey = persister.ReadKey(rs, descriptor.SuffixedKeyAliases, session);
if (collectionRowKey != null)
{
// we found a collection element in the result set
if (log.IsDebugEnabled)
{
log.Debug("found row of collection: " + MessageHelper.InfoString(persister, collectionRowKey));
}
object owner = optionalOwner;
if (owner == null)
{
owner = persistenceContext.GetCollectionOwner(collectionRowKey, persister);
if (owner == null)
{
//TODO: This is assertion is disabled because there is a bug that means the
// original owner of a transient, uninitialized collection is not known
// if the collection is re-referenced by a different object associated
// with the current Session
//throw new AssertionFailure("bug loading unowned collection");
}
}
IPersistentCollection rowCollection =
persistenceContext.LoadContexts.GetCollectionLoadContext(rs).GetLoadingCollection(persister, collectionRowKey);
if (rowCollection != null)
{
rowCollection.ReadFrom(rs, persister, descriptor, owner);
}
}
else if (optionalKey != null)
{
// we did not find a collection element in the result set, so we
// ensure that a collection is created with the owner's identifier,
// since what we have is an empty collection
if (log.IsDebugEnabled)
{
log.Debug("result set contains (possibly empty) collection: " + MessageHelper.InfoString(persister, optionalKey));
}
persistenceContext.LoadContexts.GetCollectionLoadContext(rs).GetLoadingCollection(persister, optionalKey);
// handle empty collection
}
// else no collection element, but also no owner
}
/// <summary> /// Reads the row from the <see cref="IDataReader"/>. /// </summary> /// <param name="reader">The IDataReader that contains the value of the Identifier</param> /// <param name="role">The persister for this Collection.</param> /// <param name="descriptor">The descriptor providing result set column names</param> /// <param name="owner">The owner of this Collection.</param> /// <returns>The object that was contained in the row.</returns> public abstract object ReadFrom(IDataReader reader, ICollectionPersister role, ICollectionAliases descriptor, object owner);
