/// <summary>
/// Adds an element with the provided key and value to the <see cref="T:System.Collections.Generic.IDictionary`2" />.
/// </summary>
/// <param name="key">The object to use as the key of the element to add.</param>
/// <param name="value">The object to use as the value of the element to add.</param>
public void Add(RelationshipEntryKey key, RelationshipEntry value)
{
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.ManyToOne || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.FromId);
_toOne.Add(cardinalityKey, value);
}
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.OneToMany || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.ToId);
_fromOne.Add(cardinalityKey, value);
}
_dictionary.Add(key, value);
}
/// <summary>
/// Gets the value associated with the specified key.
/// </summary>
/// <param name="key">The key whose value to get.</param>
/// <param name="value">
/// When this method returns, the value associated with the specified key, if the key is found;
/// otherwise, the default value for the type of the <paramref name="value" /> parameter. This parameter is passed
/// uninitialized.
/// </param>
/// <returns>
/// true if the object that implements <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element
/// with the specified key; otherwise, false.
/// </returns>
/// <exception cref="NotImplementedException"></exception>
public bool TryGetValue(RelationshipEntryKey key, out RelationshipEntry value)
{
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.ManyToOne || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.FromId);
if (_toOne.TryGetValue(cardinalityKey, out value))
{
return(true);
}
}
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.OneToMany || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.ToId);
if (_fromOne.TryGetValue(cardinalityKey, out value))
{
return(true);
}
}
return(_dictionary.TryGetValue(key, out value));
}
/// <summary>
/// Determines whether the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the
/// specified key.
/// </summary>
/// <param name="key">The key to locate in the <see cref="T:System.Collections.Generic.IDictionary`2" />.</param>
/// <returns>
/// true if the <see cref="T:System.Collections.Generic.IDictionary`2" /> contains an element with the key; otherwise,
/// false.
/// </returns>
/// <exception cref="NotImplementedException"></exception>
public bool ContainsKey(RelationshipEntryKey key)
{
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.ManyToOne || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.FromId);
if (_toOne.ContainsKey(cardinalityKey))
{
return(true);
}
}
if (key.Cardinality != null && (key.Cardinality == CardinalityEnum_Enumeration.OneToMany || key.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(key.TypeId, key.ToId);
if (_fromOne.ContainsKey(cardinalityKey))
{
return(true);
}
}
return(_dictionary.ContainsKey(key));
}
/// <summary>
/// Reads the relationships.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="reader">The reader.</param>
/// <param name="cardinality">The cardinality.</param>
/// <param name="dict">The dictionary.</param>
/// <param name="toOne">To one.</param>
/// <param name="fromOne">From one.</param>
/// <param name="droppedRelationships">if set to <c>true</c> [dropped relationships].</param>
private void ReadRelationships(IProcessingContext context, IDataReader reader, Dictionary <long, CardinalityEnum_Enumeration> cardinality, Dictionary <RelationshipEntryKey, RelationshipEntry> dict, Dictionary <RelationshipEntryCardinalityKey, RelationshipEntry> toOne, Dictionary <RelationshipEntryCardinalityKey, RelationshipEntry> fromOne, bool droppedRelationships)
{
while (reader.Read( ))
{
if (reader.IsDBNull(0))
{
context?.WriteWarning("Unexpected null UpgradeId in Entity.");
continue;
}
Guid typeId = reader.GetGuid(0);
Guid fromId = reader.GetGuid(1);
Guid toId = reader.GetGuid(2);
CardinalityEnum_Enumeration?card = null;
if (reader.FieldCount > 3 && !reader.IsDBNull(3))
{
CardinalityEnum_Enumeration cardValue;
if (cardinality.TryGetValue(reader.GetInt64(3), out cardValue))
{
card = cardValue;
}
}
RelationshipEntry entry = card == null ? new RelationshipEntry(typeId, fromId, toId) : new RelationshipEntry(typeId, fromId, toId, card.Value);
if (RelationshipRestrictions != null)
{
if (RelationshipRestrictions.Any(restriction => !restriction.IsAllowed(entry)))
{
continue;
}
}
var key = entry.GetKey( );
RelationshipEntry value;
bool violation = false;
Action addFrom = null;
Action addTo = null;
if (entry.Cardinality != null && (entry.Cardinality == CardinalityEnum_Enumeration.ManyToOne || entry.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(entry.TypeId, entry.FromId);
if (toOne.TryGetValue(cardinalityKey, out value))
{
if (entry.TypeId != value.TypeId || entry.FromId != value.FromId || entry.ToId != value.ToId)
{
/////
// Cardinality violation.
/////
EventLog.Application.WriteWarning(string.Format("Detected cardinality violation {7}({0}).\n\nExisting Type: {1}\nExisting From: {2}\nExisting To: {3}\n\nDropped Type: {4}\nDropped From: {5}\nDropped To: {6}\n",
entry.Cardinality,
value.TypeId.ToString("B"),
value.FromId.ToString("B"),
value.ToId.ToString("B"),
entry.TypeId.ToString("B"),
entry.FromId.ToString("B"),
entry.ToId.ToString("B"),
droppedRelationships ? "processing previously dropped relationship " : ""));
}
violation = true;
}
else
{
RelationshipEntry relationshipEntry = entry;
addFrom = () => toOne.Add(cardinalityKey, relationshipEntry);
}
}
if (!violation && entry.Cardinality != null && (entry.Cardinality == CardinalityEnum_Enumeration.OneToMany || entry.Cardinality == CardinalityEnum_Enumeration.OneToOne))
{
var cardinalityKey = new RelationshipEntryCardinalityKey(entry.TypeId, entry.ToId);
if (fromOne.TryGetValue(cardinalityKey, out value))
{
if (entry.TypeId != value.TypeId || entry.FromId != value.FromId || entry.ToId != value.ToId)
{
/////
// Cardinality violation.
/////
EventLog.Application.WriteWarning(string.Format("Detected cardinality violation {7}({0}).\n\nExisting Type: {1}\nExisting From: {2}\nExisting To: {3}\n\nDropped Type: {4}\nDropped From: {5}\nDropped To: {6}\n",
entry.Cardinality,
value.TypeId.ToString("B"),
value.FromId.ToString("B"),
value.ToId.ToString("B"),
entry.TypeId.ToString("B"),
entry.FromId.ToString("B"),
entry.ToId.ToString("B"),
droppedRelationships ? "processing previously dropped relationship " : ""));
}
violation = true;
}
else
{
RelationshipEntry relationshipEntry = entry;
addTo = () => fromOne.Add(cardinalityKey, relationshipEntry);
}
}
if (violation)
{
continue;
}
addFrom?.Invoke( );
addTo?.Invoke( );
if (!dict.TryGetValue(key, out value))
{
dict.Add(key, entry);
}
else
{
if (entry.Cardinality != CardinalityEnum_Enumeration.ManyToMany)
{
if (entry.TypeId != value.TypeId || entry.FromId != value.FromId || entry.ToId != value.ToId)
{
/////
// Cardinality violation.
/////
EventLog.Application.WriteWarning(string.Format("Detected cardinality violation {7}({0}).\n\nExisting Type: {1}\nExisting From: {2}\nExisting To: {3}\n\nDropped Type: {4}\nDropped From: {5}\nDropped To: {6}\n",
entry.Cardinality,
value.TypeId.ToString("B"),
value.FromId.ToString("B"),
value.ToId.ToString("B"),
entry.TypeId.ToString("B"),
entry.FromId.ToString("B"),
entry.ToId.ToString("B"),
droppedRelationships ? "processing previously dropped relationship " : ""));
}
}
}
}
}
