public long Query(string queryData, bool addQueryToDictionary = false)
{
long queryId = -1;
if (!string.IsNullOrWhiteSpace(queryData))
{
QueryTransaction newQueryTransaction = m_QueryBuilder.BuildQueryTransaction(queryData);
bool queryExists = false;
for (int queryIndex = 0; queryIndex < m_Queries.Count; ++queryIndex)
{
if (m_Queries[queryIndex].WordIds.SequenceEqual(newQueryTransaction.WordIds))
{
queryExists = true;
queryId = queryIndex;
break;
}
}
if (addQueryToDictionary && !queryExists)
{
queryId = m_Queries.Count;
m_Queries.Add(newQueryTransaction);
m_IsDictionaryDirty = true;
}
}
return(queryId);
}
private List <RankedTransaction> FindInternal(string searchQuery)
{
List <RankedTransaction> rankedQueryTransactions = new List <RankedTransaction>();
if (!string.IsNullOrEmpty(searchQuery))
{
QueryTransaction searchQueryTransaction = m_QueryBuilder.BuildQueryTransaction(searchQuery);
foreach (var searchWordId in searchQueryTransaction.WordIds)
{
// Get partial search matches for the searchWordId
List <long> partialSearchMatches = m_WordDictionary.FindPartialMatches(searchWordId);
// Full and partial match strategy
for (int queryIndex = 0; queryIndex < m_Queries.Count; ++queryIndex)
{
var query = m_Queries[queryIndex];
// Full match
if (query.WordIds.Contains(searchWordId))
{
var rankedQuery = rankedQueryTransactions.Find(x => x.QueryTranscationRef == query);
if (rankedQuery == null)
{
rankedQuery = new RankedTransaction(query, queryIndex);
rankedQuery.NumberOfMatchedWords++;
rankedQueryTransactions.Add(rankedQuery);
}
else
{
rankedQuery.NumberOfMatchedWords++;
}
}
// Partial match
else
{
foreach (var queryWordId in query.WordIds)
{
if (partialSearchMatches.Contains(queryWordId))
{
var rankedQuery = rankedQueryTransactions.Find(x => x.QueryTranscationRef == query);
if (rankedQuery == null)
{
rankedQuery = new RankedTransaction(query, queryIndex);
rankedQuery.NumberOfMatchedPartialCharacters++;
rankedQueryTransactions.Add(rankedQuery);
}
else
{
rankedQuery.NumberOfMatchedPartialCharacters++;
}
break;
}
}
}
}
}
rankedQueryTransactions.Sort(delegate(RankedTransaction x, RankedTransaction y)
{
// Lower the number the x is pushed up the sort. 0 means no change
if (x.NumberOfMatchedWords == y.NumberOfMatchedWords)
{
if (x.NumberOfMatchedPartialCharacters > y.NumberOfMatchedPartialCharacters)
{
return(0);
}
else if (x.NumberOfMatchedPartialCharacters < y.NumberOfMatchedPartialCharacters)
{
return(1);
}
}
else if (x.NumberOfMatchedWords > y.NumberOfMatchedWords)
{
return(0);
}
else if (x.NumberOfMatchedWords < y.NumberOfMatchedWords)
{
return(1);
}
return(0);
});
}
return(rankedQueryTransactions);
}
public RankedTransaction(QueryTransaction queryTransaction, long queryId)
{
QueryTranscationRef = queryTransaction;
QueryId = queryId;
}
