/// <summary>
/// Initializes a new instance of the CompareStreamData class and sets all properties based on the StreamData provided
/// </summary>
/// <param name="leftStream">First StreamData object to use for comparison</param>
/// <param name="rightStream">Second StreamData object to use for comparison</param>
public CompareStreamData(StreamData leftStream, StreamData rightStream)
{
if (leftStream == null && rightStream == null)
{
throw new InvalidOperationException(Strings.ErrorNoStreams);
}
this.StreamName = Strings.Unknown;
this.LeftPublicMetadataCount = 0;
this.RightPublicMetadataCount = 0;
this.LeftPersonalMetadataCount = 0;
this.RightPersonalMetadataCount = 0;
string dataTypeIdKey = Strings.DataTypeIdHeader;
string semanticIdKey = Strings.SemanticIdHeader;
string eventCountKey = Strings.EventCountHeader;
string startTimeKey = Strings.StreamStartTimeHeader;
string endTimeKey = Strings.StreamEndTimeHeader;
string leftSemanticId = string.Empty;
string rightSemanticId = string.Empty;
string leftEventCount = string.Empty;
string rightEventCount = string.Empty;
string leftStartTime = string.Empty;
string rightStartTime = string.Empty;
string leftEndTime = string.Empty;
string rightEndTime = string.Empty;
string leftDataTypeId = string.Empty;
string rightDataTypeId = string.Empty;
KStudioMetadata leftPublicMetadata = null;
KStudioMetadata rightPublicMetadata = null;
KStudioMetadata leftPersonalMetadata = null;
KStudioMetadata rightPersonalMetadata = null;
if (leftStream != null)
{
this.StreamName = leftStream.EventStream.DataTypeName;
leftSemanticId = leftStream.EventStream.SemanticId.ToString();
leftEventCount = leftStream.EventHeaders.Count.ToString();
leftStartTime = leftStream.StartTime.ToString();
leftEndTime = leftStream.EndTime.ToString();
leftDataTypeId = leftStream.EventStream.DataTypeId.ToString();
leftPublicMetadata = leftStream.PublicMetadata;
leftPersonalMetadata = leftStream.PersonalMetadata;
this.LeftPublicMetadataCount = leftStream.PublicMetadata.Count;
this.LeftPersonalMetadataCount = leftStream.PersonalMetadata.Count;
}
if (rightStream != null)
{
if (leftStream == null)
{
this.StreamName = rightStream.EventStream.DataTypeName;
}
rightSemanticId = rightStream.EventStream.SemanticId.ToString();
rightEventCount = rightStream.EventHeaders.Count.ToString();
rightStartTime = rightStream.StartTime.ToString();
rightEndTime = rightStream.EndTime.ToString();
rightDataTypeId = rightStream.EventStream.DataTypeId.ToString();
rightPublicMetadata = rightStream.PublicMetadata;
rightPersonalMetadata = rightStream.PersonalMetadata;
this.RightPublicMetadataCount = rightStream.PublicMetadata.Count;
this.RightPersonalMetadataCount = rightStream.PersonalMetadata.Count;
}
// compare stream metadata
bool samePublicMetadata = true;
bool samePersonalMetadata = true;
this.PublicMetadata = CompareFileData.CompareMetadata(leftPublicMetadata, rightPublicMetadata, out samePublicMetadata);
this.PersonalMetadata = CompareFileData.CompareMetadata(leftPersonalMetadata, rightPersonalMetadata, out samePersonalMetadata);
if (this.LeftPublicMetadataCount == 0 && this.RightPublicMetadataCount == 0)
{
this.StreamPublicMetadataCompareText = string.Format(Strings.PublicMetadataHeader, Strings.None);
}
else
{
this.StreamPublicMetadataCompareText = string.Format(Strings.PublicMetadataHeader, samePublicMetadata ? Strings.Same : Strings.Different);
}
if (this.LeftPersonalMetadataCount == 0 && this.RightPersonalMetadataCount == 0)
{
this.StreamPersonalMetadataCompareText = string.Format(Strings.PersonalMetadataHeader, Strings.None);
}
else
{
this.StreamPersonalMetadataCompareText = string.Format(Strings.PersonalMetadataHeader, samePersonalMetadata ? Strings.Same : Strings.Different);
}
// compare stream details
this.StreamDetails = new ObservableCollection <CompareData>();
this.StreamDetails.Add(new CompareData(dataTypeIdKey, leftDataTypeId, rightDataTypeId));
this.StreamDetails.Add(new CompareData(semanticIdKey, leftSemanticId, rightSemanticId));
this.StreamDetails.Add(new CompareData(eventCountKey, leftEventCount, rightEventCount));
this.StreamDetails.Add(new CompareData(startTimeKey, leftStartTime, rightStartTime));
this.StreamDetails.Add(new CompareData(endTimeKey, leftEndTime, rightEndTime));
bool sameDetails = this.StreamDetails.All(data => data.Same);
this.StreamDetailsCompareText = string.Format(Strings.StreamDetailsHeader, sameDetails ? Strings.Same : Strings.Different);
this.Same = (samePublicMetadata && samePersonalMetadata && sameDetails) ? true : false;
}
/// <summary>
/// Compares similar streams from two different files together
/// </summary>
/// <param name="leftStreams">Stream list from first file to use in comparison</param>
/// <param name="rightStreams">Stream list from second file to use in comparison</param>
/// <returns>Collection of CompareStreamData, which contains comparison results of all streams</returns>
internal static ObservableCollection <CompareStreamData> CompareStreams(IEnumerable <StreamData> leftStreams, IEnumerable <StreamData> rightStreams)
{
ObservableCollection <CompareStreamData> compareStreams = new ObservableCollection <CompareStreamData>();
List <string> streamNames = new List <string>();
// find unique and shared streams across both files
if (leftStreams != null)
{
foreach (StreamData stream in leftStreams)
{
streamNames.Add(stream.EventStream.DataTypeName);
}
}
if (rightStreams != null)
{
foreach (StreamData stream in rightStreams)
{
if (!streamNames.Contains(stream.EventStream.DataTypeName))
{
streamNames.Add(stream.EventStream.DataTypeName);
}
}
}
// loop through each stream to compare between files
foreach (string streamName in streamNames)
{
StreamData leftStream = null;
StreamData rightStream = null;
// find stream in left file
if (leftStreams != null)
{
foreach (StreamData stream in leftStreams)
{
if (stream.EventStream.DataTypeName.Equals(streamName))
{
leftStream = stream;
break;
}
}
}
// find stream in right file
if (rightStreams != null)
{
foreach (StreamData stream in rightStreams)
{
if (stream.EventStream.DataTypeName.Equals(streamName))
{
rightStream = stream;
break;
}
}
}
compareStreams.Add(new CompareStreamData(leftStream, rightStream));
}
return(compareStreams);
}
