/// <inheritdoc />
public void Assign(Snapshot snapshot, MemoryPath path, MemoryEntry value, bool forceStrongWrite)
{
if (snapshot.AssignInfo == null)
{
snapshot.AssignInfo = new AssignInfo();
}
MemoryIndexModificationList pathModifications = snapshot.AssignInfo.GetOrCreatePathModification(path);
// Collecting all sources of the data
MemoryEntryCollector entryCollector = new MemoryEntryCollector(snapshot);
entryCollector.ProcessRootMemoryEntry(value);
// Collecting all locations where to assign into
TreeIndexCollector treeCollector = new TreeIndexCollector(snapshot);
treeCollector.PostProcessAliases = true;
treeCollector.ProcessPath(path);
// Provides an assign operation
AssignWorker worker = new AssignWorker(Factories, snapshot, entryCollector, treeCollector, pathModifications);
worker.ForceStrongWrite = forceStrongWrite;
worker.Assign();
}
/// <summary>
/// Initializes a new instance of the <see cref="AssignWorker"/> class.
/// </summary>
/// <param name="factories">The factories.</param>
/// <param name="snapshot">The snapshot.</param>
/// <param name="memoryEntryCollector">The memory entry collector.</param>
/// <param name="treeCollector">The tree collector.</param>
/// <param name="pathModifications">The path modifications.</param>
public AssignWorker(ModularMemoryModelFactories factories, Snapshot snapshot, MemoryEntryCollector memoryEntryCollector,
TreeIndexCollector treeCollector, MemoryIndexModificationList pathModifications)
: base(factories, snapshot, treeCollector, pathModifications)
{
this.memoryEntryCollector = memoryEntryCollector;
ForceStrongWrite = false;
AssignAliasesIntoCollectedIndexes = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="AbstractAssignWorker"/> class.
/// </summary>
/// <param name="factories">The factories.</param>
/// <param name="snapshot">The snapshot.</param>
/// <param name="treeCollector">The tree collector.</param>
/// <param name="pathModifications">The path modifications.</param>
public AbstractAssignWorker(ModularMemoryModelFactories factories, Snapshot snapshot,
TreeIndexCollector treeCollector, MemoryIndexModificationList pathModifications)
{
Factories = factories;
this.Snapshot = snapshot;
this.treeCollector = treeCollector;
this.PathModifications = pathModifications;
this.Structure = snapshot.Structure.Writeable;
this.Data = snapshot.CurrentData.Writeable;
}
/// <inheritdoc />
public void Assign(Snapshot snapshot, MemoryPath path, MemoryEntry value, bool forceStrongWrite)
{
if (snapshot.AssignInfo == null)
{
snapshot.AssignInfo = new AssignInfo();
}
MemoryIndexModificationList pathModifications = snapshot.AssignInfo.GetOrCreatePathModification(path);
List <Tuple <MemoryIndex, HashSet <Value> > > valuesToAssign = new List <Tuple <MemoryIndex, HashSet <Value> > >();
// Prepares locations and values to assign
foreach (var item in pathModifications.Modifications)
{
MemoryIndex index = item.Key;
MemoryIndexModification indexModification = item.Value;
HashSet <Value> values = new HashSet <Value>();
valuesToAssign.Add(new Tuple <MemoryIndex, HashSet <Value> >(index, values));
if (indexModification.IsCollectedIndex)
{
CollectionMemoryUtils.AddAll(values, value.PossibleValues);
}
// Loads all other datasources where to get additional values to assign - unknown indexes.
foreach (var datasource in indexModification.Datasources)
{
MemoryEntry entry;
if (datasource.SourceSnapshot.Infos.Readonly.TryGetMemoryEntry(datasource.SourceIndex, out entry))
{
CollectionMemoryUtils.AddAll(values, entry.PossibleValues);
}
}
}
// Assigns values to locations
foreach (var item in valuesToAssign)
{
MemoryIndex index = item.Item1;
HashSet <Value> values = item.Item2;
MemoryEntry entry = new MemoryEntry(values);
snapshot.Infos.Writeable.SetMemoryEntry(index, entry);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AliasWorker"/> class.
/// </summary>
/// <param name="factories">The factories.</param>
/// <param name="snapshot">The snapshot.</param>
/// <param name="treeCollector">The tree collector.</param>
/// <param name="pathModifications">The path modifications.</param>
public AliasWorker(ModularMemoryModelFactories factories, Snapshot snapshot, TreeIndexCollector treeCollector, MemoryIndexModificationList pathModifications)
: base(factories, snapshot, treeCollector, pathModifications)
{
EntryCollector = new MemoryEntryCollector(snapshot);
}