/// <summary>
/// Reads the data. (allows faster custom serialization for better performance in TraceLab)
/// </summary>
/// <param name="reader">The reader.</param>
public void ReadData(System.IO.BinaryReader reader)
{
int dataversion = reader.ReadInt32();
if (dataversion != TLTermEntry.version)
{
throw new InvalidOperationException("Binary reader did not correct version data. Data corrupted. Potentially IRawSerializable not implemented correctly");
}
else
{
m_term = reader.ReadString();
m_numberOfArtifactsContainingTerm = reader.ReadInt32();
m_totalFrequencyAcrossArtifacts = reader.ReadInt32();
m_weight = reader.ReadDouble();
int postingsCount = reader.ReadInt32();
//reset both collections
m_postings = new PostingsCollection();
m_postingsLookup = new Dictionary <string, TLPosting>();
for (int i = 0; i < postingsCount; ++i)
{
TLPosting posting = new TLPosting();
posting.ReadData(reader);
AddPosting(posting);
}
}
}
/// <summary>
/// Allows adding new posting to the termEntry.
/// </summary>
/// <exception cref="System.ArgumentException">if posting is null</exception>
private void AddPosting(TLPosting posting)
{
if (posting == null)
{
throw new ArgumentException("The posting cannot be null");
}
PostingsLookup.Add(posting.ArtifactId, posting);
m_postings.Add(posting);
}
/// <summary>
/// Generates an object from its XML representation.
/// </summary>
/// <param name="reader">The XmlReader stream from which the object is deserialized. </param>
public void ReadXml(System.Xml.XmlReader reader)
{
version = int.Parse(reader.GetAttribute("Version"));
Term = reader.GetAttribute("Term");
NumberOfArtifactsContainingTerm = int.Parse(reader.GetAttribute("NoOfArtsWithTerm"));
TotalFrequencyAcrossArtifacts = int.Parse(reader.GetAttribute("TotalFrequency"));
Weight = double.Parse(reader.GetAttribute("Weight"));
reader.Read();
while (reader.NodeType != System.Xml.XmlNodeType.EndElement)
{
TLPosting posting = new TLPosting();
posting.ReadXml(reader);
AddPosting(posting);
}
//read to the next
reader.Read();
}
/// <summary>
/// Allows adding new posting to the termEntry.
/// </summary>
/// <param name="artifactId">artifact id</param>
/// <param name="frequency">frequency of the term in the given artifact</param>
/// <param name="weight">local weight of the term in the posting</param>
/// <returns>created posting</returns>
/// <exception cref="System.ArgumentException">if documentId is null or empty; or if frequency is less than 0</exception>
public TLPosting AddPosting(string artifactId, int frequency, double weight)
{
if (artifactId == null || artifactId == "")
{
throw new ArgumentException("The documentId cannot be empty or null");
}
if (frequency <= 0)
{
throw new ArgumentException("Frequency has to be greater than 0.");
}
TLPosting posting = new TLPosting(artifactId, frequency, weight);
PostingsLookup.Add(artifactId, posting);
m_postings.Add(posting);
return(posting);
}
/// <summary>
/// Reads the data. (allows faster custom serialization for better performance in TraceLab)
/// </summary>
/// <param name="reader">The reader.</param>
public void ReadData(System.IO.BinaryReader reader)
{
int dataversion = reader.ReadInt32();
if (dataversion != TLTermEntry.version)
{
throw new InvalidOperationException("Binary reader did not correct version data. Data corrupted. Potentially IRawSerializable not implemented correctly");
}
else
{
m_term = reader.ReadString();
m_numberOfArtifactsContainingTerm = reader.ReadInt32();
m_totalFrequencyAcrossArtifacts = reader.ReadInt32();
m_weight = reader.ReadDouble();
int postingsCount = reader.ReadInt32();
//reset both collections
m_postings = new PostingsCollection();
m_postingsLookup = new Dictionary<string, TLPosting>();
for (int i = 0; i < postingsCount; ++i)
{
TLPosting posting = new TLPosting();
posting.ReadData(reader);
AddPosting(posting);
}
}
}
/// <summary>
/// Generates an object from its XML representation.
/// </summary>
/// <param name="reader">The XmlReader stream from which the object is deserialized. </param>
public void ReadXml(System.Xml.XmlReader reader)
{
version = int.Parse(reader.GetAttribute("Version"));
Term = reader.GetAttribute("Term");
NumberOfArtifactsContainingTerm = int.Parse(reader.GetAttribute("NoOfArtsWithTerm"));
TotalFrequencyAcrossArtifacts = int.Parse(reader.GetAttribute("TotalFrequency"));
Weight = double.Parse(reader.GetAttribute("Weight"));
reader.Read();
while (reader.NodeType != System.Xml.XmlNodeType.EndElement)
{
TLPosting posting = new TLPosting();
posting.ReadXml(reader);
AddPosting(posting);
}
//read to the next
reader.Read();
}
/// <summary>
/// Allows adding new posting to the termEntry.
/// </summary>
/// <exception cref="System.ArgumentException">if posting is null</exception>
private void AddPosting(TLPosting posting)
{
if (posting == null)
throw new ArgumentException("The posting cannot be null");
PostingsLookup.Add(posting.ArtifactId, posting);
m_postings.Add(posting);
}
/// <summary>
/// Allows adding new posting to the termEntry.
/// </summary>
/// <param name="artifactId">artifact id</param>
/// <param name="frequency">frequency of the term in the given artifact</param>
/// <param name="weight">local weight of the term in the posting</param>
/// <returns>created posting</returns>
/// <exception cref="System.ArgumentException">if documentId is null or empty; or if frequency is less than 0</exception>
public TLPosting AddPosting(string artifactId, int frequency, double weight)
{
if (artifactId == null || artifactId == "")
throw new ArgumentException("The documentId cannot be empty or null");
if (frequency <= 0)
throw new ArgumentException("Frequency has to be greater than 0.");
TLPosting posting = new TLPosting(artifactId, frequency, weight);
PostingsLookup.Add(artifactId, posting);
m_postings.Add(posting);
return posting;
}
/// <summary>
/// Compares two specified TLTermEntry objects and returns an integer that indicates their relative position in the sort order.
/// </summary>
/// <param name="x">The first TLTermEntry to compare. </param>
/// <param name="y">The second TLTermEntry to compare. </param>
/// <returns>A 32-bit signed integer that indicates the lexical relationship between the two comparands.</returns>
public int Compare(TLPosting x, TLPosting y)
{
return((new CaseInsensitiveComparer()).Compare(x.ArtifactId, y.ArtifactId));
}
/// <summary>
/// Compares two specified TLTermEntry objects and returns an integer that indicates their relative position in the sort order.
/// </summary>
/// <param name="x">The first TLTermEntry to compare. </param>
/// <param name="y">The second TLTermEntry to compare. </param>
/// <returns>A 32-bit signed integer that indicates the lexical relationship between the two comparands.</returns>
public int Compare(TLPosting x, TLPosting y)
{
return ((new CaseInsensitiveComparer()).Compare(x.ArtifactId, y.ArtifactId));
}
