private IEnumerable ExecuteCollection(BuiltQuery builtQuery, Stopwatch stopwatch)
{
var keys = new HashSet <string>();
var fields = builtQuery.Projection?.fields
.Select(x => x.Expression)
.ToArray();
var skip = builtQuery.Skip ?? 0;
var take = builtQuery.Take ?? int.MaxValue;
var projection = builtQuery.Projection != null
? ProjectionMapperFactory.GetMapper(builtQuery.Projection)
: null;
if (projection == null && loggingSettings.NeedLogging(LogLevel.Warning))
{
if (warnings.TryAdd(Environment.StackTrace, 0))
{
loggingSettings.Log(LogLevel.Warning,
$"Query [{builtQuery.Query}] doesn't have .Select(...) construction. It may be critical to the performance because Jira should return all fields of issues.");
}
}
loggingSettings.Log(LogLevel.Debug, $"Query [{builtQuery.Query}] is starting execution");
int got;
int maxResults;
do
{
maxResults = Math.Min(take, packetSize);
Stopwatch partialStopwatch = null;
if (loggingSettings.NeedLogging(LogLevel.Trace))
{
partialStopwatch = Stopwatch.StartNew();
loggingSettings.Log(LogLevel.Trace,
$"Query's part (startAt: [{skip}], maxResults: [{maxResults}], jql: [{builtQuery.Query}]) is starting execution");
}
var request = new JiraIssuesRequest
{
Jql = builtQuery.Query?.ToString() ?? "",
StartAt = skip,
MaxResults = maxResults,
Fields = fields
};
JiraIssuesResponse response;
try
{
response = jira.SelectIssues(request, builtQuery.IssueType);
if (partialStopwatch != null)
{
partialStopwatch.Stop();
loggingSettings.Log(LogLevel.Trace,
$"Query's partial execution (startAt: [{skip}], maxResults: [{maxResults}], jql: [{builtQuery.Query}]) is finished. Returned [{response.Issues.Length}] issues, took [{partialStopwatch.Elapsed.TotalMilliseconds}] ms");
}
}
catch (Exception)
{
if (partialStopwatch != null)
{
partialStopwatch.Stop();
loggingSettings.Log(LogLevel.Trace,
$"Query's partial execution (startAt: [{skip}], maxResults: [{maxResults}], jql: [{builtQuery.Query}]) is finished. Threw an exception, took [{partialStopwatch.Elapsed.TotalMilliseconds}] ms");
}
stopwatch?.Stop();
throw;
}
got = response.Issues.Length;
for (var i = 0; i < response.Issues.Length && take > 0; ++i)
{
var issue = response.Issues[i];
if (keys.Add(issue.Key))
{
yield return(projection != null?projection(issue) : issue);
take--;
}
}
skip += packetSize;
} while (take > 0 && got == maxResults);
if (stopwatch != null)
{
stopwatch.Stop();
loggingSettings.Log(LogLevel.Trace,
$"Query's execution [{builtQuery.Query}] is finished. Returned [{keys.Count}] issues, took [{stopwatch.Elapsed.TotalMilliseconds}] ms");
}
}