//*************************************************************************
// Constructor: TwitterNetworkAnalyzerBase()
//
/// <summary>
/// Initializes a new instance of the <see
/// cref="TwitterNetworkAnalyzerBase" /> class.
/// </summary>
//*************************************************************************
public TwitterNetworkAnalyzerBase()
{
m_oTwitterUtil = null;
m_oTwitterStatusTextParser = new TwitterStatusTextParser();
AssertValid();
}
AppendRepliesToAndMentionsEdgeXmlNodes
(
GraphMLXmlDocument graphmlXmlDocument,
IEnumerable <TwitterUser> twitterUsers,
HashSet <String> uniqueScreenNames
)
{
Debug.Assert(graphmlXmlDocument != null);
Debug.Assert(twitterUsers != null);
Debug.Assert(uniqueScreenNames != null);
// This method uses only one instance of TwitterStatusTextParser to
// avoid making it repeatedly recompile all of its regular expressions.
TwitterStatusTextParser twitterStatusTextParser =
new TwitterStatusTextParser();
foreach (TwitterUser twitterUser in twitterUsers)
{
foreach (TwitterStatus twitterStatus in twitterUser.Statuses)
{
AppendRepliesToAndMentionsEdgeXmlNodes(
graphmlXmlDocument, twitterStatusTextParser,
uniqueScreenNames, twitterUser.ScreenName, twitterStatus);
}
}
}
GetMentionsAndRepliesToScreenNames
(
Dictionary <String, TwitterUser> userIDDictionary
)
{
Debug.Assert(userIDDictionary != null);
HashSet <String> uniqueScreenNamesWhoTweetedSearchTerm =
TwitterGraphMLUtil.TwitterUsersToUniqueScreenNames(
userIDDictionary.Values);
HashSet <String> uniqueMentionsAndRepliesToScreenNames =
new HashSet <String>();
TwitterStatusTextParser twitterStatusTextParser =
new TwitterStatusTextParser();
foreach (TwitterUser twitterUser in userIDDictionary.Values)
{
foreach (TwitterStatus twitterStatus in twitterUser.Statuses)
{
String repliesToScreenName;
String [] uniqueMentionsScreenNames;
twitterStatusTextParser.GetScreenNames(twitterStatus.Text,
out repliesToScreenName,
out uniqueMentionsScreenNames);
if (
repliesToScreenName != null
&&
!uniqueScreenNamesWhoTweetedSearchTerm.Contains(
repliesToScreenName))
{
uniqueMentionsAndRepliesToScreenNames.Add(
repliesToScreenName);
}
foreach (String uniqueMentionsScreenName in
uniqueMentionsScreenNames)
{
if (!uniqueScreenNamesWhoTweetedSearchTerm.Contains(
uniqueMentionsScreenName))
{
uniqueMentionsAndRepliesToScreenNames.Add(
uniqueMentionsScreenName);
}
}
}
}
return(uniqueMentionsAndRepliesToScreenNames.ToArray());
}
SetUp()
{
m_oTwitterStatusTextParser = new TwitterStatusTextParser();
}
AppendRepliesToAndMentionsEdgeXmlNodes
(
GraphMLXmlDocument graphMLXmlDocument,
TwitterStatusTextParser twitterStatusTextParser,
HashSet <String> uniqueScreenNames,
String screenName,
TwitterStatus twitterStatus
)
{
Debug.Assert(graphMLXmlDocument != null);
Debug.Assert(twitterStatusTextParser != null);
Debug.Assert(uniqueScreenNames != null);
Debug.Assert(!String.IsNullOrEmpty(screenName));
Debug.Assert(twitterStatus != null);
String statusText = twitterStatus.Text;
Boolean isReplyTo = false;
Boolean isMentions = false;
Debug.Assert(!String.IsNullOrEmpty(statusText));
String repliedToScreenName;
String [] uniqueMentionedScreenNames;
twitterStatusTextParser.GetScreenNames(statusText,
out repliedToScreenName, out uniqueMentionedScreenNames);
if (repliedToScreenName != null)
{
if (
repliedToScreenName != screenName
&&
uniqueScreenNames.Contains(repliedToScreenName)
)
{
isReplyTo = true;
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, repliedToScreenName,
RepliesToRelationship, twitterStatus);
}
}
foreach (String mentionedScreenName in uniqueMentionedScreenNames)
{
if (
mentionedScreenName != screenName
&&
uniqueScreenNames.Contains(mentionedScreenName)
)
{
isMentions = true;
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, mentionedScreenName,
MentionsRelationship, twitterStatus);
}
}
if (!isReplyTo && !isMentions)
{
// Append a self-loop edge to represent the tweet.
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, screenName,
NonRepliesToNonMentionsRelationship, twitterStatus);
}
}
