public void Update(FormatObject formatObject)
{
if (LocalStore.Exists(_tableName))
{
var dt = LocalStore.Read(_tableName);
var row = dt.AsEnumerable().Single(x =>
{
return((x.Field <string>("SourceName") == formatObject.SourceName));
});
UpdateRow(row, formatObject);
LocalStore.Write(dt, true);
}
else
{
var dt = CreateDataTable();
DataRow dr = dt.NewRow();
UpdateRow(dr, formatObject);
dt.Rows.Add(dr);
LocalStore.Write(dt, false);
}
}
public FormatObject GetLast()
{
if (LocalStore.Exists(_tableName))
{
var row = LocalStore.Read(_tableName).AsEnumerable()
.SingleOrDefault(x =>
{
return((x.Field <string>("SourceName") == Source.SourceName));
});
if (row != null)
{
var date = row.Field <DateTime>("LocalDateTime");
return(new FormatObject(
row.Field <string>("SourceName"),
new DateTimeOffset(date, Source.TimeZoneInfo.GetUtcOffset(date)),
Source.TimeZoneInfo));
}
else
{
return(default(FormatObject));
}
}
else
{
return(default(FormatObject));
}
}
public FormatObject GetLast()
{
if (LocalStore.Exists(Source.SourceName))
{
var row = LocalStore.Read(Source.SourceName).AsEnumerable()
.SingleOrDefault(x =>
{
return((x.Field <string>("SourceName") == Source.SourceName));
});
if (row != null)
{
return(new FormatObject(
row.Field <string>("SourceName"),
row.Field <DateTime>("LocalDateTime")));
}
else
{
return(default(FormatObject));
}
}
else
{
return(default(FormatObject));
}
}
public byte[] ProcessQuery(byte[] bytes)
{
try
{
Packet packet = Serializer.DeserializeFromBytes <Packet>(bytes);
string type = System.Text.Encoding.UTF8.GetString(packet.Data);
//如果是文本搜索
if (type == "Text-Query")
{
string currentTextQuery = GetGlobalCache <string>("Current-Text-Query");
if (!string.IsNullOrEmpty(currentTextQuery))
{
string query = GetGlobalCache <string>(currentTextQuery);
WriteToConsole("Get Text Query:" + query);
string[] keywords = segment.Split(query);
List <string> docs = TextFragment.FindCommonDocumentByKeys(keywords, 10);
string content = string.Empty;
string bestQuestion = string.Empty;
decimal bestQuesVal = 0;
foreach (var doc in docs)
{
Template.Question question = DataStore.Read(int.Parse(doc));
Tuple <string, decimal> tuple = question.GetBestQuestion(query);
if (tuple.Item2 > bestQuesVal)
{
bestQuesVal = tuple.Item2;
bestQuestion = tuple.Item1;
}
content += question.ToString() + ";";
}
string inputResultKey = Dns.GetHostName() + "," + _searchPort + query;
WriteToConsole("Result write into cache key=" + inputResultKey + ", count=" + docs.Count);
foreach (var keyword in keywords)
{
if (keyword.Length > 0)
{
content = content.Replace(keyword, "<strong>" + keyword + "</strong>");
}
}
if (bestQuestion.Length > 0 && bestQuesVal > (Decimal)0.1)
{
content = bestQuestion + ";" + content;
}
SetGlobalCache(inputResultKey, content);
}
}
//如果是相关搜索
else if (type == "Relative-Query")
{
string result = string.Empty;
string currentRelativeQuery = GetGlobalCache <string>("Current-Relative-Query");
if (!string.IsNullOrEmpty(currentRelativeQuery))
{
string query = GetGlobalCache <string>(currentRelativeQuery);
WriteToConsole("Get Relative Query:" + query);
List <Tuple <string, double> > tuples = RelativeTable[query].GetAllKeyValue(20);
string inputResultKey = Dns.GetHostName() + "," + _searchPort + query;
if (tuples == null)
{
tuples = new List <Tuple <string, double> >();
}
foreach (var tuple in tuples)
{
result += tuple.Item1 + ":" + tuple.Item2 + ";";
}
SetGlobalCache(inputResultKey, result);
}
}
}
catch (Exception exception)
{
Logger.Warn(exception);
}
return(Serializer.SerializeToBytes(true));
}
