public void Add(T entity)
{
if (entity is IOgmConnection && !IsInverse && (entity as IOgmConnection).Destination == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Destination)}' property must be set.");
}
if (entity is IOgmConnection && IsInverse && (entity as IOgmConnection).Source == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Source)}' property must be set.");
}
long version = DateTimeOffset.Now.ToUnixTimeMilliseconds();
IOgmConnection conn = (entity as IOgmConnection) ??
new OgmConnection()
{
Order = Connections.Count, SourcePropertyName = SourceProperty?.Name ?? "", DestinationPropertyName = DestinationProperty?.Name ?? "", Version = version
};
Connections.Add(conn);
if (conn is OgmConnection)
{
conn.Source = IsInverse ? entity : ProxyAccessor as IOgmEntity;
conn.Destination = IsInverse ? ProxyAccessor as IOgmEntity : entity;
}
Wire(conn);
}
public void Set(IOgmEntity entity)
{
if (entity is IOgmConnection && !IsInverse && (entity as IOgmConnection).Destination == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Destination)}' property must be set.");
}
if (entity is IOgmConnection && IsInverse && (entity as IOgmConnection).Source == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Source)}' property must be set.");
}
DiscardEffect();
long version = DateTimeOffset.Now.ToUnixTimeMilliseconds();
IOgmConnection tmp = Connection;
Connection = null;
Unwire(tmp);
Connection = (entity as IOgmConnection) ?? new OgmConnection()
{
Order = 0, SourcePropertyName = SourceProperty?.Name ?? "", DestinationPropertyName = DestinationProperty?.Name ?? "", Version = version
};
if (Connection is OgmConnection)
{
Connection.Source = IsInverse ? entity : ProxyAccessor as IOgmEntity;
Connection.Destination = IsInverse ? ProxyAccessor as IOgmEntity : entity;
}
Wire(Connection);
}
public ConnectionEntity(IOgmConnection entity, long sourceId, long destinationId, long version, bool allowNull = true, IEnumerable <string> excludePorperties = null)
: base(entity, allowNull, excludePorperties)
{
SourceId = sourceId;
DestinationId = destinationId;
Version = version;
}
protected void DiscardEffect(IOgmEntity entity)
{
IOgmConnection conn = GetConnection(entity);
if (conn != null)
{
Context.ChangeTracker.Track(new EntityChangeRelDeletion(conn));
}
}
public EntityChangeRelCreation(IOgmConnection entity, IOgmEntity source, IOgmEntity destination) : base(entity)
{
Source = source ?? throw new ArgumentNullException(nameof(source));
Destination = destination ?? throw new ArgumentNullException(nameof(destination));
if (source is IOgmConnection)
{
throw new ArgumentException("A Connection cannot be a source of a connction.", nameof(source));
}
if (destination is IOgmConnection)
{
throw new ArgumentException("A Connection cannot be a destination of a connction.", nameof(destination));
}
}
protected void Unwire(IOgmConnection connection)
{
if (connection != null)
{
if (IsInverse)
{
if (SourceProperty != null)
{
using (ManagerAccess.Manager.ScopeOMnG())
{
if (Context.TypesManager.IsGraphEntityCollection(SourceProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(SourceProperty, connection.Source);
if (coll != null)
{
coll.GetType().GetMethod(nameof(ICollection <int> .Remove)).Invoke(coll, new[] { connection });
}
}
else
{
ObjectExtensions.Configuration.Set(SourceProperty, connection.Source, null);
}
}
}
}
else
{
if (DestinationProperty != null)
{
using (ManagerAccess.Manager.ScopeOMnG())
{
if (Context.TypesManager.IsGraphEntityCollection(DestinationProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(DestinationProperty, connection.Destination);
if (coll != null)
{
coll.GetType().GetMethod(nameof(ICollection <int> .Remove)).Invoke(coll, new[] { connection });
}
}
else
{
ObjectExtensions.Configuration.Set(DestinationProperty, connection.Destination, null);
}
}
}
}
}
}
public T this[int index]
{
get
{
return((IsInverse ? Connections[index].Source : Connections[index].Destination) as T);
}
set
{
IOgmEntity entity = value;
if (entity is IOgmConnection && !IsInverse && (entity as IOgmConnection).Destination == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Destination)}' property must be set.");
}
if (entity is IOgmConnection && IsInverse && (entity as IOgmConnection).Source == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Source)}' property must be set.");
}
IOgmConnection tmp = Connections[index];
Connections[index] = null;
Unwire(tmp);
long version = DateTimeOffset.Now.ToUnixTimeMilliseconds();
IOgmConnection conn = (entity as IOgmConnection) ??
new OgmConnection()
{
Order = Connections.Count, SourcePropertyName = SourceProperty?.Name ?? "", DestinationPropertyName = DestinationProperty?.Name ?? "", Version = version
};
Connections[index] = conn;
if (conn is OgmConnection)
{
conn.Source = IsInverse ? entity : ProxyAccessor as IOgmEntity;
conn.Destination = IsInverse ? ProxyAccessor as IOgmEntity : entity;
}
Wire(conn);
for (int i = index; i < Connections.Count; i++)
{
Connections[i].Order = i;
}
}
}
public bool Remove(T entity)
{
if (entity is IOgmConnection && !IsInverse && (entity as IOgmConnection).Destination == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Destination)}' property must be set.");
}
if (entity is IOgmConnection && IsInverse && (entity as IOgmConnection).Source == null)
{
throw new InvalidOperationException($"'{nameof(IOgmConnection.Source)}' property must be set.");
}
DiscardEffect(entity);
long version = DateTimeOffset.Now.ToUnixTimeMilliseconds();
IOgmConnection conn = GetConnection(entity);
bool result = Connections.Remove(conn);
Unwire(conn);
return(result);
}
public EntityChangeRelUpdate(IOgmConnection entity, PropertyInfo property, object oldValue, object currentValue) : base(entity, property, oldValue, currentValue)
{
}
protected void Wire(IOgmConnection connection)
{
if (connection != null)
{
using (ManagerAccess.Manager.ScopeOMnG())
{
if (IsInverse)
{
if (Context.TypesManager.IsGraphEntityCollection(DestinationProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(DestinationProperty, connection.Destination);
coll.GetType().GetMethod(nameof(ICollection <int> .Add)).Invoke(coll, new[] { connection is OgmConnection ? connection.Destination : connection });
}
else
{
ObjectExtensions.Configuration.Set(DestinationProperty, ProxyAccessor.DynProxyGetTarget(), connection is OgmConnection ? connection.Destination : connection);
}
if (SourceProperty != null)
{
if (Context.TypesManager.IsGraphEntityCollection(SourceProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(SourceProperty, connection.Source);
if (coll == null)
{
if (SourceProperty.CanWrite)
{
coll = Activator.CreateInstance(SourceProperty.PropertyType);
ObjectExtensions.Configuration.Set(SourceProperty, connection.Source, coll);
}
else
{
throw new InvalidOperationException($"Unable to set property {SourceProperty.ReflectedType.FullName}.{SourceProperty.Name}");
}
}
coll.GetType().GetMethod(nameof(ICollection <int> .Add)).Invoke(coll, new[] { connection.Destination });
}
else
{
ObjectExtensions.Configuration.Set(SourceProperty, connection.Source, connection.Destination);
}
}
}
else
{
if (Context.TypesManager.IsGraphEntityCollection(SourceProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(SourceProperty, connection.Source);
coll.GetType().GetMethod(nameof(ICollection <int> .Add)).Invoke(coll, new[] { connection is OgmConnection ? connection.Destination : connection });
}
else
{
ObjectExtensions.Configuration.Set(SourceProperty, ProxyAccessor.DynProxyGetTarget(), connection is OgmConnection ? connection.Destination : connection);
}
if (DestinationProperty != null)
{
if (Context.TypesManager.IsGraphEntityCollection(DestinationProperty.PropertyType))
{
object coll = ObjectExtensions.Configuration.Get(DestinationProperty, connection.Destination);
if (coll == null)
{
if (DestinationProperty.CanWrite)
{
coll = Activator.CreateInstance(DestinationProperty.PropertyType);
ObjectExtensions.Configuration.Set(DestinationProperty, connection.Destination, coll);
}
else
{
throw new InvalidOperationException($"Unable to set property {DestinationProperty.ReflectedType.FullName}.{DestinationProperty.Name}");
}
}
coll.GetType().GetMethod(nameof(ICollection <int> .Add)).Invoke(coll, new[] { connection.Source });
}
else
{
ObjectExtensions.Configuration.Set(DestinationProperty, connection.Destination, connection.Source);
}
}
}
}
}
}
public EntityChangeRelDeletion(IOgmConnection entity) : base(entity)
{
}
