/// <summary>
/// Disconnects the exporting group from the importing group.
/// </summary>
/// <param name="importingGroup">The composition ID of the importing group.</param>
/// <param name="exportingGroup">The composition ID of the exporting group.</param>
public void Disconnect(GroupCompositionId importingGroup, GroupCompositionId exportingGroup)
{
if ((importingGroup == null) || (exportingGroup == null))
{
return;
}
if (!m_GroupConnections.ContainsVertex(importingGroup) || (!m_GroupConnections.ContainsVertex(exportingGroup)))
{
return;
}
var importDefinition = m_GroupConnections
.InEdges(importingGroup)
.Where(edge => edge.Source.Equals(exportingGroup))
.Select(edge => edge.Import)
.FirstOrDefault();
m_GroupConnections.RemoveInEdgeIf(importingGroup, edge => edge.Source.Equals(exportingGroup));
DisconnectParts(importingGroup, importDefinition, exportingGroup);
}
private void DisconnectParts(GroupCompositionId importingGroup, GroupImportDefinition importDefinition, GroupCompositionId exportingGroup)
{
var definitionId = m_Groups[importingGroup];
var importingGroupDefinition = m_Definitions[definitionId];
var importingParts = importDefinition
.ImportsToMatch
.Select(id => importingGroupDefinition.Parts.PartByImport(id))
.Join(
m_Parts,
partDef => new PartCompositionId(importingGroup, partDef.Id),
pair => pair.Key,
(partDef, pair) => pair.Key);
definitionId = m_Groups[exportingGroup];
var exportingGroupDefinition = m_Definitions[definitionId];
var exportingParts = exportingGroupDefinition.GroupExport
.ProvidedExports
.Select(id => exportingGroupDefinition.Parts.PartByExport(id))
.Join(
m_Parts,
partDef => new PartCompositionId(exportingGroup, partDef.Id),
pair => pair.Key,
(partDef, pair) => pair.Key);
foreach (var importingPart in importingParts)
{
var matchedExports = m_PartConnections
.InEdges(importingPart)
.Where(edge => exportingParts.Contains(edge.Source))
.Select(edge => new Tuple <ImportRegistrationId, PartCompositionId>(edge.ImportRegistration, edge.Source));
foreach (var pair in matchedExports)
{
DisconnectInstanceFromExport(importingPart, pair.Item1, pair.Item2);
}
m_PartConnections.RemoveInEdgeIf(importingPart, edge => exportingParts.Contains(edge.Source));
}
}
