private ThreadResources GetThreadResources()
{
ThreadResources resources = threadResources.Value;
if (resources == null)
{
resources = new ThreadResources();
resources.termEnum = Terms();
threadResources.Value = resources;
}
return(resources);
}
private static RandomizedContext Context(ThreadClass thread)
{
var group = thread.Instance.GetThreadGroup();
RandomizedContext context;
lock (globalLock)
{
while (true)
{
context = contexts[group];
if (context == null && group.Parent != null)
{
group = group.Parent;
}
else
{
break;
}
}
// TODO: revisit
if (context == null)
{
context = contexts[group] = new RandomizedContext(group, null, null);
}
}
if (context == null)
{
// TODO: revisit
var message = "No context information for thread," + thread.Name + ". " +
"Is this thread running under a " + typeof(RandomizedRunner).Name + " context? ";
throw new InvalidOperationException(message);
}
lock (context.contextLock)
{
if (!context.threadResources.ContainsKey(thread))
{
var resources = new ThreadResources();
//resources.Queue.Enqueue(context.runner.Randomness.Clone(thread));
context.threadResources.Add(thread, resources);
}
}
return(context);
}
private ThreadResources GetThreadResources()
{
ThreadResources resources = (ThreadResources)threadResources.Get();
if (resources == null)
{
resources = new ThreadResources();
resources.termEnum = Terms();
// Cache does not have to be thread-safe, it is only used by one thread at the same time
resources.termInfoCache = new SimpleLRUCache(DEFAULT_CACHE_SIZE);
threadResources.Set(resources);
}
return(resources);
}
private ThreadResources GetThreadResources(IState state)
{
ThreadResources resources = threadResources.Get(state);
if (resources == null)
{
resources = new ThreadResources {
termEnum = Terms(state)
};
// Cache does not have to be thread-safe, it is only used by one thread at the same time
threadResources.Set(resources);
}
return(resources);
}
/// <summary>
/// Returns the <see cref="TermInfo"/> for a <see cref="Term"/> in the set, or <c>null</c>. </summary>
private TermInfo Get(Term term, bool mustSeekEnum)
{
if (size == 0)
{
return(null);
}
EnsureIndexIsRead();
TermInfoAndOrd tiOrd = termsCache.Get(new CloneableTerm(term));
ThreadResources resources = GetThreadResources();
if (!mustSeekEnum && tiOrd != null)
{
return(tiOrd);
}
return(SeekEnum(resources.termEnum, term, tiOrd, true));
}
/// <summary>Returns the TermInfo for a Term in the set, or null. </summary>
private TermInfo Get(Term term, bool useCache)
{
if (size == 0)
{
return(null);
}
EnsureIndexIsRead();
TermInfo ti;
ThreadResources resources = GetThreadResources();
Lucene.Net.Util.Cache.Cache cache = null;
if (useCache)
{
cache = resources.termInfoCache;
// check the cache first if the term was recently looked up
ti = (TermInfo)cache.Get(term);
if (ti != null)
{
return(ti);
}
}
// optimize sequential access: first try scanning cached enum w/o seeking
SegmentTermEnum enumerator = resources.termEnum;
if (enumerator.Term() != null && ((enumerator.Prev() != null && term.CompareTo(enumerator.Prev()) > 0) || term.CompareTo(enumerator.Term()) >= 0))
{
int enumOffset = (int)(enumerator.position / totalIndexInterval) + 1;
if (indexTerms.Length == enumOffset || term.CompareTo(indexTerms[enumOffset]) < 0)
{
// no need to seek
int numScans = enumerator.ScanTo(term);
if (enumerator.Term() != null && term.CompareTo(enumerator.Term()) == 0)
{
ti = enumerator.TermInfo();
if (cache != null && numScans > 1)
{
// we only want to put this TermInfo into the cache if
// scanEnum skipped more than one dictionary entry.
// This prevents RangeQueries or WildcardQueries to
// wipe out the cache when they iterate over a large numbers
// of terms in order
cache.Put(term, ti);
}
}
else
{
ti = null;
}
return(ti);
}
}
// random-access: must seek
SeekEnum(enumerator, GetIndexOffset(term));
enumerator.ScanTo(term);
if (enumerator.Term() != null && term.CompareTo(enumerator.Term()) == 0)
{
ti = enumerator.TermInfo();
if (cache != null)
{
cache.Put(term, ti);
}
}
else
{
ti = null;
}
return(ti);
}
private static RandomizedContext Context(ThreadClass thread)
{
var group = thread.Instance.GetThreadGroup();
RandomizedContext context;
lock (globalLock)
{
while (true)
{
context = contexts[group];
if (context == null && group.Parent != null)
group = group.Parent;
else
break;
}
// TODO: revisit
if (context == null)
{
context = contexts[group] = new RandomizedContext(group, null, null);
}
}
if (context == null)
{
// TODO: revisit
var message = "No context information for thread," + thread.Name + ". " +
"Is this thread running under a " + typeof(RandomizedRunner).Name + " context? ";
throw new IllegalStateException(message);
}
lock (context.contextLock)
{
if (!context.threadResources.ContainsKey(thread))
{
var resources = new ThreadResources();
//resources.Queue.Enqueue(context.runner.Randomness.Clone(thread));
context.threadResources.Add(thread, resources);
}
}
return context;
}
private ThreadResources GetThreadResources()
{
ThreadResources resources = threadResources.Get();
if (resources == null)
{
resources = new ThreadResources
{termEnum = Terms(), termInfoCache = new SimpleLRUCache<Term, TermInfo>(DEFAULT_CACHE_SIZE)};
// Cache does not have to be thread-safe, it is only used by one thread at the same time
threadResources.Set(resources);
}
return resources;
}
internal ThreadResources GetThreadResources()
{
ThreadResources resources = (ThreadResources)threadResources.Get();
if (resources == null)
{
resources = new ThreadResources();
resources.termEnum = Terms();
// cache does not have to be thread-safe, it is only used by one thread at the same time
resources.termInfoCache = new SimpleLRUCache(DEFAULT_CACHE_SIZE);
threadResources.Set(resources);
}
return resources;
}
