/// <summary>
/// Adds the specified memory index into sources for this operation.
/// </summary>
/// <param name="context">The context.</param>
/// <exception cref="System.NullReferenceException"></exception>
public void Add(MergeOperationContext context)
{
if (context == null)
{
throw new NullReferenceException();
}
Indexes.Add(context);
}
public override void addSource(MergeOperationContext operationContext, IIndexDefinition sourceDefinition)
{
if (sourceDefinition.Aliases != null)
{
references.CollectMust(sourceDefinition.Aliases.MustAliases);
references.CollectMay(sourceDefinition.Aliases.MayAliases);
}
else
{
hasAliasesAlways = false;
}
}
public override void addSource(MergeOperationContext operationContext, IIndexDefinition sourceDefinition)
{
MemoryEntry entry;
if (operationContext.SnapshotContext.SourceData.TryGetMemoryEntry(operationContext.Index, out entry))
{
foreach (Value value in entry.PossibleValues)
{
if (!(value is AssociativeArray))
{
values.Add(value);
}
}
}
else
{
values.Add(targetSnapshot.UndefinedValue);
}
}
/// <summary>
/// Collects the source array.
/// </summary>
/// <param name="targetIndex">Index of the target.</param>
/// <param name="operation">The operation.</param>
/// <param name="operationContext">The operation context.</param>
/// <param name="sourceArray">The source array.</param>
public void collectSourceArray(MemoryIndex targetIndex, MergeOperation operation, MergeOperationContext operationContext, AssociativeArray sourceArray)
{
// Source array
if (sourceArray != null)
{
// Becomes target array when not set
if (targetArray == null && operationContext.Index.Equals(targetIndex))
{
targetArray = sourceArray;
}
hasArray = true;
// Save source array to merge descriptors
IArrayDescriptor descriptor = operationContext.SnapshotContext.SourceStructure.GetDescriptor(sourceArray);
sourceArrays.Add(new ContainerContext(operationContext.SnapshotContext, descriptor, operationContext.OperationType));
// Equeue all array indexes when whole subtree should be merged
if (operationContext.OperationType == MergeOperationType.WholeSubtree)
{
foreach (var index in descriptor.Indexes)
{
operation.TreeNode.GetOrCreateChild(index.Key);
}
operation.TreeNode.GetOrCreateAny();
}
}
else
{
// Source do not contain array - at least one source is empty
arrayAlwaysDefined = false;
}
}
