internal static List <(string FilePath, DateTime LastWriteTimeUtc)> GetAllIndexedCodeSource(string luceneIndex)
{
try
{
readWriteLock.TryEnterReadLock(Constants.ReadWriteLockTimeOutMilliseconds);
var query = new MatchAllDocsQuery();
var filter = new FieldValueFilter(nameof(CodeSource.FilePath));
return(SearchDocuments(luceneIndex, query, int.MaxValue, filter).Select(u => (u.Get(nameof(CodeSource.FilePath)), new DateTime(long.Parse(u.Get(nameof(CodeSource.LastWriteTimeUtc)))))).ToList());
}
finally
{
readWriteLock.ExitReadLock();
}
}
private static NameValueCollection FilterCore(FieldValueFilter filter, NameValueCollection form, params string[] keys)
{
Validator.ThrowIfNull(form, nameof(form));
Validator.ThrowIfNull(keys, nameof(keys));
return(Infrastructure.SanitizeFieldValuePairs(form, filter, keys));
}
private static NameValueCollection FilterCore(FieldValueFilter filter, string form, params string[] keys)
{
Validator.ThrowIfNull(form, nameof(form));
Validator.ThrowIfNull(keys, nameof(keys));
return(FilterCore(filter, FormConverter.FromString(form), keys));
}
private static NameValueCollection FilterCore(FieldValueFilter filter, string query, params string[] keys)
{
Validator.ThrowIfNull(query, nameof(query));
Validator.ThrowIfNull(keys, nameof(keys));
return(FilterCore(filter, QueryStringConverter.FromString(query), keys));
}
/// <summary>
/// Sanitizes the query string, header or form-data from the specified arguments.
/// </summary>
/// <param name="fieldValuePairs">The query string, header or form-data to sanitize.</param>
/// <param name="sanitizing">The sanitizing action to perform on the <paramref name="fieldValuePairs"/>.</param>
/// <param name="keys">The keys to use in the sanitizing process.</param>
/// <returns>A sanitized <see cref="NameValueCollection"/> equivalent of <paramref name="fieldValuePairs"/>.</returns>
internal static NameValueCollection SanitizeFieldValuePairs(NameValueCollection fieldValuePairs, FieldValueFilter sanitizing, IEnumerable <string> keys)
{
if (fieldValuePairs == null)
{
throw new ArgumentNullException(nameof(fieldValuePairs));
}
if (keys == null)
{
throw new ArgumentNullException(nameof(keys));
}
NameValueCollection modifiedFieldValuePairs = new NameValueCollection(fieldValuePairs);
switch (sanitizing)
{
case FieldValueFilter.RemoveDublets:
foreach (string key in keys)
{
string[] values = modifiedFieldValuePairs[key].Split(',');
int zeroBasedIndex = values.Length - 1;
if (zeroBasedIndex >= 0)
{
modifiedFieldValuePairs[key] = values[zeroBasedIndex];
}
}
break;
case FieldValueFilter.Remove:
foreach (string key in keys)
{
modifiedFieldValuePairs.Remove(key);
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(sanitizing));
}
return(modifiedFieldValuePairs);
}
static Document[] SearchDocuments(string luceneIndex, Query query, int maxResult, FieldValueFilter fieldValueFilter = null)
{
Document[] documents = null;
IndexSearcher indexSearcher = null;
try
{
indexSearcher = CreateOrGetIndexSearcher(luceneIndex);
if (fieldValueFilter != null)
{
documents = indexSearcher.Search(query, fieldValueFilter, maxResult).ScoreDocs.Select(hit => indexSearcher.Doc(hit.Doc)).ToArray();
}
else
{
documents = indexSearcher.Search(query, maxResult).ScoreDocs.Select(hit => indexSearcher.Doc(hit.Doc)).ToArray();
}
}
finally
{
indexSearcher.IndexReader.DecRef();
}
return(documents ?? Array.Empty <Document>());
}
private static NameValueCollection FilterCore(FieldValueFilter filter, string headers, params string[] keys)
{
Validator.ThrowIfNull(headers, nameof(headers));
Validator.ThrowIfNull(keys, nameof(keys));
return(FilterCore(filter, HeadersConverter.FromString(headers), keys));
}
