public void AddSibling(HashTag hashTag)
{
if (!_siblings.Contains(hashTag))
{
_siblings.Add(hashTag);
hashTag._siblings.Add(this);
}
}
public Edge(HashTag left, HashTag right)
{
this._left = left;
this._right = right;
this._left.AddSibling(right);
left.LastParentEdge = this;
right.LastParentEdge = this;
GenerateId();
}
public void OnEdgeConstruction_HashTagsShouldBeMadeSiblings()
{
HashTag h1 = new HashTag();
HashTag h2 = new HashTag();
Edge e = new Edge(h1, h2);
int expectedSiblingsCount = 1;
Assert.AreEqual<int>(expectedSiblingsCount, h1.Siblings.Length);
Assert.AreEqual<int>(expectedSiblingsCount, h2.Siblings.Length);
Assert.AreSame(h2, h1.Siblings[0]);
Assert.AreSame(h1, h2.Siblings[0]);
}
public void AddSibling()
{
HashTag h1 = new HashTag()
{
Name = "h1"
};
HashTag h2 = new HashTag()
{
Name = "h2"
};
h1.AddSibling(h2);
int expectedSiblingsCount = 1;
Assert.AreEqual<int>(expectedSiblingsCount, h1.Siblings.Length);
}
public void RemoveSiblingFromOneHashTag_MustRemoveBothFromEachOthersSiblingsList()
{
HashTag h1 = new HashTag()
{
Name = "h1"
};
HashTag h2 = new HashTag()
{
Name = "h2"
};
h1.AddSibling(h2);
h1.RemoveSibling(h2);
int expectedSiblingsCount = 0;
Assert.AreEqual<int>(expectedSiblingsCount, h2.Siblings.Length);
}
public void AddSiblingToOneHashTag_MustMakeBothEachOthersSiblings()
{
HashTag h1 = new HashTag()
{
Name = "h1"
};
HashTag h2 = new HashTag()
{
Name = "h2"
};
h1.AddSibling(h2);
int expectedSiblingsCountDifference = 0;
int actualSiblingsCountDifference = h1.Siblings.Length - h2.Siblings.Length;
Assert.AreEqual<int>(expectedSiblingsCountDifference, actualSiblingsCountDifference);
Assert.AreSame(h2, h1.Siblings[0]);
Assert.AreSame(h1, h2.Siblings[0]);
}
public void RemoveSibling(HashTag hashTag)
{
_siblings.Remove(hashTag);
hashTag._siblings.Remove(this);
}
/// <summary>
/// Process hashtags and their relational graph in a tweet
/// </summary>
/// <param name="tweet">Tweet to be processed</param>
/// <param name="tweetText">The cleaned-up ASCII string of the tweet.</param>
private static void ProcessHashtagData(Tweet tweet, string tweetText)
{
//Extract hashtags from tweet text
var hashtags = Regex.Matches(tweetText, @"(\b|\s)?#\w+");
foreach (Match tag in hashtags)
{
HashTag hashTag = null;
string strHashtagName = tag.Value.Trim().ToLower();
if (!_dicHashtagNameMappings.TryGetValue(strHashtagName, out hashTag))
{
hashTag = new HashTag()
{
Name = strHashtagName
};
_dicHashtagNameMappings.Add(strHashtagName, hashTag);
}
foreach (var t in tweet.HashTags)
{
if (t != hashTag)
{
Edge newEdge = new Edge(t, hashTag);
tweet.AddEdge(newEdge);
Edge edExisting = null;
if (_dicEdgeIdMappings.TryGetValue(newEdge.Id, out edExisting))
_dicEdgeIdMappings[newEdge.Id] = newEdge;
else
_dicEdgeIdMappings.Add(newEdge.Id, newEdge);
}
}
tweet.HashTags.Add(hashTag);
}
}
