public void Merge(ProjectInfo project, ChannelMergeMode mergeMode)
{
if (this.Id != project.Id)
{
throw new Exception("The project to be merged has a different ID.");
}
// merge channels
List <ChannelInfo> newChannels = new List <ChannelInfo>();
foreach (var channel in project.Channels)
{
var referenceChannel = this.Channels.FirstOrDefault(current => current.Id == channel.Id);
if (referenceChannel != null)
{
referenceChannel.Merge(channel, mergeMode);
}
else
{
newChannels.Add(channel);
}
channel.Parent = this;
}
this.Channels.AddRange(newChannels);
// merge other data
if (this.ProjectStart == DateTime.MinValue)
{
this.ProjectStart = project.ProjectStart;
}
else
{
this.ProjectStart = new DateTime(Math.Min(this.ProjectStart.Ticks, project.ProjectStart.Ticks));
}
if (this.ProjectEnd == DateTime.MinValue)
{
this.ProjectEnd = project.ProjectEnd;
}
else
{
this.ProjectEnd = new DateTime(Math.Max(this.ProjectEnd.Ticks, project.ProjectEnd.Ticks));
}
}
public void Merge(ChannelInfo channel, ChannelMergeMode mergeMode)
{
if (this.Parent.Id != channel.Parent.Id)
{
throw new Exception("The channel to be merged has a different parent.");
}
// merge properties
switch (mergeMode)
{
case ChannelMergeMode.OverwriteMissing:
if (string.IsNullOrWhiteSpace(this.Name))
{
this.Name = channel.Name;
}
if (string.IsNullOrWhiteSpace(this.Group))
{
this.Group = channel.Group;
}
if (string.IsNullOrWhiteSpace(this.Unit))
{
this.Unit = channel.Unit;
}
if (string.IsNullOrWhiteSpace(this.Description))
{
this.Description = channel.Description;
}
break;
case ChannelMergeMode.NewWins:
this.Name = channel.Name;
this.Group = channel.Group;
this.Unit = channel.Unit;
this.Description = channel.Description;
break;
default:
throw new NotSupportedException();
}
// merge datasets
var newDatasets = new List <DatasetInfo>();
foreach (var dataset in channel.Datasets)
{
var referenceDataset = this.Datasets.FirstOrDefault(current => current.Id == dataset.Id);
if (referenceDataset != null)
{
referenceDataset.Merge(dataset);
}
else
{
newDatasets.Add(dataset);
}
dataset.Parent = this;
}
this.Datasets.AddRange(newDatasets);
}