internal void CreateSubselects(IList<EntityKey[]> keys, QueryParameters queryParameters, ISessionImplementor session)
{
if (keys.Count > 1)
{
//if we only returned one entity, query by key is more efficient
ISet<EntityKey>[] keySets = Transpose(keys);
IDictionary<string, int[]> namedParameterLocMap = BuildNamedParameterLocMap(queryParameters);
ILoadable[] loadables = EntityPersisters;
string[] aliases = Aliases;
foreach (EntityKey[] rowKeys in keys)
{
for (int i = 0; i < rowKeys.Length; i++)
{
if (rowKeys[i] != null && loadables[i].HasSubselectLoadableCollections)
{
SubselectFetch subselectFetch =
new SubselectFetch(aliases[i], loadables[i], queryParameters, keySets[i], namedParameterLocMap);
session.PersistenceContext.BatchFetchQueue.AddSubselect(rowKeys[i], subselectFetch);
}
}
}
}
}
protected override ICollectionInitializer CreateSubselectInitializer(SubselectFetch subselect, ISessionImplementor session)
{
return new SubselectOneToManyLoader(
this,
subselect.ToSubselectString(CollectionType.LHSPropertyName),
subselect.Result,
subselect.QueryParameters, session.Factory,
session.EnabledFilters);
}
protected abstract ICollectionInitializer CreateSubselectInitializer(SubselectFetch subselect, ISessionImplementor session);
/// <summary>
/// Adds a subselect fetch decriptor for the given entity key.
/// </summary>
/// <param name="key">The entity for which to register the subselect fetch.</param>
/// <param name="subquery">The fetch descriptor.</param>
public void AddSubselect(EntityKey key, SubselectFetch subquery)
{
subselectsByEntityKey[key] = subquery;
}
/// <summary>
/// Adds a subselect fetch decriptor for the given entity key.
/// </summary>
/// <param name="key">The entity for which to register the subselect fetch.</param>
/// <param name="subquery">The fetch descriptor.</param>
public void AddSubselect(EntityKey key, SubselectFetch subquery)
{
subselectsByEntityKey[key] = subquery;
}
internal void CreateSubselects(IList keys, QueryParameters queryParameters, ISessionImplementor session)
{
if (keys.Count > 1)
{
//if we only returned one entity, query by key is more efficient
ISet[] keySets = Transpose(keys);
IDictionary namedParameterLocMap = BuildNamedParameterLocMap(queryParameters);
ILoadable[] loadables = EntityPersisters;
string[] aliases = Aliases;
int rowKeysLength = ((EntityKey[]) keys[0]).Length;
SubselectFetch[] subselectFetches = new SubselectFetch[rowKeysLength];
for (int i = 0; i < rowKeysLength; i++)
{
if (loadables[i].HasSubselectLoadableCollections)
{
subselectFetches[i] = new SubselectFetch(
//getSQLString(),
aliases[i],
factory.Dialect,
loadables[i],
queryParameters,
keySets[i],
namedParameterLocMap
);
}
}
foreach (EntityKey[] rowKeys in keys)
{
for (int i = 0; i < rowKeys.Length; i++)
{
if (rowKeys[i] != null && subselectFetches[i] != null)
{
session.BatchFetchQueue.AddSubselect(rowKeys[i], subselectFetches[i]);
}
}
}
}
}
