GetNetworkInternal
(
StatusCriteria oStatusCriteria,
Boolean bExpandStatusUrls,
String sGraphServerUserName,
String sGraphServerPassword,
RequestStatistics oRequestStatistics
)
{
Debug.Assert(oStatusCriteria != null);
Debug.Assert(!String.IsNullOrEmpty(sGraphServerUserName));
Debug.Assert(!String.IsNullOrEmpty(sGraphServerPassword));
Debug.Assert(oRequestStatistics != null);
AssertValid();
GraphServiceClient oClient = new GraphServiceClient(
GetWcfServiceBinding(), new EndpointAddress(GraphServiceUrl));
Byte [] abtZippedGraphML;
// There are two ways to get the network: With a maximum status date,
// and with a maximum number of statuses.
if (oStatusCriteria.HasDateRange)
{
abtZippedGraphML = oClient.GetTwitterSearchNetworkAsZippedGraphML(
oStatusCriteria.SearchTerm,
oStatusCriteria.MinimumStatusDateUtc,
oStatusCriteria.MaximumStatusDateUtc,
bExpandStatusUrls,
sGraphServerUserName,
sGraphServerPassword
);
}
else
{
abtZippedGraphML = oClient.GetTwitterSearchNetworkAsZippedGraphML2(
oStatusCriteria.SearchTerm,
oStatusCriteria.MaximumStatusDateUtc,
oStatusCriteria.MaximumStatusesGoingBackward,
bExpandStatusUrls,
sGraphServerUserName,
sGraphServerPassword
);
}
String sGraphML = ZipUtil.UnzipOneTextFile(abtZippedGraphML);
abtZippedGraphML = null;
XmlDocument oXmlDocument = new XmlDocument();
// Note: When the DotNetZip library used by ZipUtil unzips the GraphML,
// it includes a BOM as the first character. Remove that character.
oXmlDocument.LoadXml(sGraphML.Substring(1));
return(oXmlDocument);
}
GetNetworkInternal
(
StatusCriteria oStatusCriteria,
Boolean bExpandStatusUrls,
String sGraphServerUserName,
String sGraphServerPassword
)
{
Debug.Assert(oStatusCriteria != null);
Debug.Assert(!String.IsNullOrEmpty(sGraphServerUserName));
Debug.Assert(!String.IsNullOrEmpty(sGraphServerPassword));
AssertValid();
XmlDocument oGraphMLXmlDocument = null;
RequestStatistics oRequestStatistics = new RequestStatistics();
try
{
oGraphMLXmlDocument = GetNetworkInternal(
oStatusCriteria, bExpandStatusUrls, sGraphServerUserName,
sGraphServerPassword, oRequestStatistics);
}
catch (Exception oException)
{
OnUnexpectedException(oException, new XmlDocument(),
oRequestStatistics);
}
OnNetworkObtained(oGraphMLXmlDocument, oRequestStatistics,
GetNetworkDescription(oStatusCriteria, oGraphMLXmlDocument),
SnaTitleCreator.CreateSnaTitle(
oStatusCriteria.SearchTerm,
oRequestStatistics),
"Graph Server " + oStatusCriteria.SearchTerm
);
return(oGraphMLXmlDocument);
}
GetNetwork
(
String searchTerm,
DateTime maximumStatusDateUtc,
Int32 maximumStatusesGoingBackward,
Boolean expandStatusUrls,
String graphServerUserName,
String graphServerPassword
)
{
Debug.Assert(!String.IsNullOrEmpty(searchTerm));
Debug.Assert(maximumStatusesGoingBackward > 0);
Debug.Assert(!String.IsNullOrEmpty(graphServerUserName));
Debug.Assert(!String.IsNullOrEmpty(graphServerPassword));
AssertValid();
StatusCriteria oStatusCriteria = new StatusCriteria(
searchTerm, maximumStatusDateUtc, maximumStatusesGoingBackward);
return(GetNetworkInternal(oStatusCriteria, expandStatusUrls,
graphServerUserName, graphServerPassword));
}
GetNetworkDescription
(
StatusCriteria oStatusCriteria,
XmlDocument oGraphMLXmlDocument
)
{
Debug.Assert(oStatusCriteria != null);
Debug.Assert(oGraphMLXmlDocument != null);
AssertValid();
const String Int32FormatString = "N0";
NetworkDescriber oNetworkDescriber = new NetworkDescriber();
Int32 iVertexCount = GetVertexCount(oGraphMLXmlDocument);
oNetworkDescriber.AddSentence(
"The graph represents a network of {0} Twitter {1} whose tweets in"
+ " the requested range contained \"{2}\", or who {3} replied to"
+ " or mentioned in those tweets."
,
iVertexCount.ToString(Int32FormatString),
StringUtil.MakePlural("user", iVertexCount),
oStatusCriteria.SearchTerm,
iVertexCount > 1 ? "were" : "was"
);
oNetworkDescriber.AddNetworkTime(NetworkSource);
if (oStatusCriteria.HasDateRange)
{
oNetworkDescriber.AddSentenceNewParagraph(
"The requested date range was from {0} through {1}."
,
oNetworkDescriber.FormatEventTime(
oStatusCriteria.MinimumStatusDateUtc),
oNetworkDescriber.FormatEventTime(
oStatusCriteria.MaximumStatusDateUtc)
);
}
else
{
oNetworkDescriber.AddSentenceNewParagraph(
"The requested start date was {0} and the maximum number of"
+ " tweets (going backward in time) was {1}."
,
oNetworkDescriber.FormatEventTime(
oStatusCriteria.MaximumStatusDateUtc),
oStatusCriteria.MaximumStatusesGoingBackward.ToString(
Int32FormatString)
);
}
oNetworkDescriber.StartNewParagraph();
TweetDateRangeAnalyzer.AddTweetDateRangeToNetworkDescription(
oGraphMLXmlDocument, oNetworkDescriber);
oNetworkDescriber.AddSentenceNewParagraph(
"There is an edge for each \"replies-to\" relationship in a tweet,"
+ " an edge for each \"mentions\" relationship in a tweet, and a"
+ " self-loop edge for each tweet that is not a \"replies-to\" or"
+ " \"mentions\"."
);
return(oNetworkDescriber.ConcatenateSentences());
}