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Code Issues Releases Wiki Activity

Support for loading of LazyLoaded properties via explicit join.

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--HG--
extra : source : 1b7c96cb2a644ae17603c9d72ec09d94bc877bf1
This commit is contained in:
Taloth Saldono 2014-02-09 20:02:49 +01:00 committed by Mark McDowall
parent 4515c1d155
commit 935c26d03e
2 changed files with 23 additions and 1 deletions
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11
src/Marr.Data/EntityGraph.cs
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@ -160,6 +160,14 @@ public List<EntityGraph> Children
get { return _children; } get { return _children; }
} }
/// <summary>
/// Adds an Child in the graph for LazyLoaded property.
/// </summary>
public void AddLazyRelationship(Relationship childRelationship)
{
_children.Add(new EntityGraph(childRelationship.RelationshipInfo.EntityType.GetGenericArguments()[0], this, childRelationship));
}
/// <summary> /// <summary>
/// Adds an entity to the appropriate place in the object graph. /// Adds an entity to the appropriate place in the object graph.
/// </summary> /// </summary>
@ -182,6 +190,9 @@ public void AddEntity(object entityInstance)
} }
else // RelationTypes.One else // RelationTypes.One
{ {
if (_relationship.IsLazyLoaded)
_relationship.Setter(_parent._entity, Activator.CreateInstance(_relationship.MemberType, entityInstance));
else
_relationship.Setter(_parent._entity, entityInstance); _relationship.Setter(_parent._entity, entityInstance);
} }

11
src/Marr.Data/QGen/QueryBuilder.cs
View file

@ -551,6 +551,17 @@ public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, Expression
return Join(joinType, rightMember, filterExpression); return Join(joinType, rightMember, filterExpression);
} }
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, Expression<Func<TLeft, LazyLoaded<TRight>>> rightEntity, Expression<Func<TLeft, TRight, bool>> filterExpression)
{
_isJoin = true;
MemberInfo rightMember = (rightEntity.Body as MemberExpression).Member;
var relationship = EntGraph.Relationships.Single(v => v.Member == rightMember);
EntGraph.AddLazyRelationship(relationship);
return Join(joinType, rightMember, filterExpression);
}
public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, MemberInfo rightMember, Expression<Func<TLeft, TRight, bool>> filterExpression) public virtual QueryBuilder<T> Join<TLeft, TRight>(JoinType joinType, MemberInfo rightMember, Expression<Func<TLeft, TRight, bool>> filterExpression)
{ {
_isJoin = true; _isJoin = true;