internal virtual void AssignedProperty(Relationship rel, string key, object value, object valueBeforeTx)
{
valueBeforeTx = RemoveProperty(ExpectedRemovedRelationshipProperties, rel, key, valueBeforeTx);
if (!value.Equals(valueBeforeTx))
{
IDictionary <string, PropertyEntryImpl <Relationship> > map = ExpectedAssignedRelationshipProperties[rel];
PropertyEntryImpl <Relationship> prev = map[key];
map[key] = Property(rel, key, value, prev != null ? prev.PreviouslyCommitedValue() : valueBeforeTx);
}
}
internal virtual void AssignedProperty(Node node, string key, object value, object valueBeforeTx)
{
valueBeforeTx = RemoveProperty(ExpectedRemovedNodeProperties, node, key, valueBeforeTx);
if (!value.Equals(valueBeforeTx))
{
IDictionary <string, PropertyEntryImpl <Node> > map = ExpectedAssignedNodeProperties[node];
PropertyEntryImpl <Node> prev = map[key];
map[key] = Property(node, key, value, prev != null ? prev.PreviouslyCommitedValue() : valueBeforeTx);
}
}
/// <returns> {@code non-null} if this property should be expected to come as removed property in the event </returns>
private object RemoveProperty <E>(IDictionary <E, IDictionary <string, PropertyEntryImpl <E> > > map, E entity, string key, object valueBeforeTx) where E : Org.Neo4j.Graphdb.PropertyContainer
{
if (map.ContainsKey(entity))
{
IDictionary <string, PropertyEntryImpl <E> > inner = map[entity];
PropertyEntryImpl <E> entry = inner.Remove(key);
if (entry == null)
{ // this means that we've been called to remove an existing property
return(valueBeforeTx);
}
if (inner.Count == 0)
{
map.Remove(entity);
}
if (entry.PreviouslyCommitedValue() != null)
{ // this means that we're removing a previously changed property, i.e. there's a value to remove
return(entry.PreviouslyCommitedValue());
}
return(null);
}
return(valueBeforeTx);
}