public CachedDistanceDocValues(IndexReader reader, ShapeFieldCacheDistanceValueSource enclosingInstance)
{
cache = enclosingInstance.provider.GetCache(reader);
this.enclosingInstance = enclosingInstance;
from = enclosingInstance.from;
calculator = enclosingInstance.ctx.GetDistCalc();
nullValue = (enclosingInstance.ctx.IsGeo() ? 180 : double.MaxValue);
}
public CachedDistanceFunctionValue(AtomicReader reader, ShapeFieldCacheDistanceValueSource enclosingInstance)
{
cache = enclosingInstance.provider.GetCache(reader);
this.enclosingInstance = enclosingInstance;
from = enclosingInstance.from;
calculator = enclosingInstance.ctx.DistCalc;
nullValue = (enclosingInstance.ctx.IsGeo ? 180 * enclosingInstance.multiplier : double.MaxValue);
}
public CachedDistanceFunctionValue(ShapeFieldCacheDistanceValueSource outerInstance, AtomicReader reader)
{
// LUCENENET specific - added guard clauses
this.outerInstance = outerInstance ?? throw new ArgumentNullException(nameof(outerInstance));
if (reader is null)
{
throw new ArgumentNullException(nameof(reader));
}
cache = outerInstance.provider.GetCache(reader);
from = outerInstance.from;
calculator = outerInstance.ctx.DistanceCalculator;
nullValue = (outerInstance.ctx.IsGeo ? 180 * outerInstance.multiplier : double.MaxValue);
}
public virtual ShapeFieldCache <T> GetCache(AtomicReader reader)
{
lock (locker)
{
ShapeFieldCache <T> idx;
if (sidx.TryGetValue(reader, out idx) && idx != null)
{
return(idx);
}
/*long startTime = Runtime.CurrentTimeMillis();
* log.Fine("Building Cache [" + reader.MaxDoc() + "]");*/
idx = new ShapeFieldCache <T>(reader.MaxDoc, m_defaultSize);
int count = 0;
DocsEnum docs = null;
Terms terms = reader.GetTerms(m_shapeField);
TermsEnum te = null;
if (terms != null)
{
te = terms.GetIterator(te);
BytesRef term = te.Next();
while (term != null)
{
T shape = ReadShape(term);
if (shape != null)
{
docs = te.Docs(null, docs, DocsFlags.NONE);
int docid = docs.NextDoc();
while (docid != DocIdSetIterator.NO_MORE_DOCS)
{
idx.Add(docid, shape);
docid = docs.NextDoc();
count++;
}
}
term = te.Next();
}
}
sidx[reader] = idx;
/*long elapsed = Runtime.CurrentTimeMillis() - startTime;
* log.Fine("Cached: [" + count + " in " + elapsed + "ms] " + idx);*/
return(idx);
}
}
public ShapeFieldCache <T> GetCache(IndexReader reader)
{
lock (locker)
{
ShapeFieldCache <T> idx;
if (sidx.TryGetValue(reader, out idx) && idx != null)
{
return(idx);
}
//long startTime = System.CurrentTimeMillis();
//log.fine("Building Cache [" + reader.MaxDoc() + "]");
idx = new ShapeFieldCache <T>(reader.MaxDoc, defaultSize);
var count = 0;
var tec = new TermsEnumCompatibility(reader, shapeField);
var term = tec.Next();
while (term != null)
{
var shape = ReadShape(term);
if (shape != null)
{
var docs = reader.TermDocs(new Term(shapeField, tec.Term().Text));
while (docs.Next())
{
idx.Add(docs.Doc, shape);
count++;
}
}
term = tec.Next();
}
sidx.Add(reader, idx);
tec.Close();
//long elapsed = System.CurrentTimeMillis() - startTime;
//log.fine("Cached: [" + count + " in " + elapsed + "ms] " + idx);
return(idx);
}
}
public virtual ShapeFieldCache <T> GetCache(AtomicReader reader)
{
// LUCENENET: ConditionalWeakTable allows us to simplify and remove locks
return(sidx.GetValue(reader, (key) =>
{
/*long startTime = Runtime.CurrentTimeMillis();
* log.Fine("Building Cache [" + reader.MaxDoc() + "]");*/
ShapeFieldCache <T> idx = new ShapeFieldCache <T>(key.MaxDoc, m_defaultSize);
int count = 0;
DocsEnum docs = null;
Terms terms = ((AtomicReader)key).GetTerms(m_shapeField);
TermsEnum te = null;
if (terms != null)
{
te = terms.GetIterator(te);
BytesRef term = te.Next();
while (term != null)
{
T shape = ReadShape(term);
if (shape != null)
{
docs = te.Docs(null, docs, DocsFlags.NONE);
int docid = docs.NextDoc();
while (docid != DocIdSetIterator.NO_MORE_DOCS)
{
idx.Add(docid, shape);
docid = docs.NextDoc();
count++;
}
}
term = te.Next();
}
}
/*long elapsed = Runtime.CurrentTimeMillis() - startTime;
* log.Fine("Cached: [" + count + " in " + elapsed + "ms] " + idx);*/
return idx;
}));
}
public virtual ShapeFieldCache <T> GetCache(AtomicReader reader)
{
// LUCENENET: ConditionalWeakTable allows us to simplify and remove locks on the
// read operation. For the create case, we use Lazy<T> to ensure atomicity.
return(sidx.GetValue(reader, (key) => new Lazy <ShapeFieldCache <T> >(() =>
{
/*long startTime = J2N.Time.NanoTime() / J2N.Time.MillisecondsPerNanosecond; // LUCENENET: Use NanoTime() rather than CurrentTimeMilliseconds() for more accurate/reliable results
* log.Fine("Building Cache [" + reader.MaxDoc() + "]");*/
ShapeFieldCache <T> idx = new ShapeFieldCache <T>(key.MaxDoc, m_defaultSize);
int count = 0;
DocsEnum?docs = null;
Terms terms = ((AtomicReader)key).GetTerms(m_shapeField);
TermsEnum?te = null;
if (terms != null)
{
te = terms.GetEnumerator(te);
while (te.MoveNext())
{
T?shape = ReadShape(te.Term);
if (shape != null)
{
docs = te.Docs(null, docs, DocsFlags.NONE);
int docid = docs.NextDoc();
while (docid != DocIdSetIterator.NO_MORE_DOCS)
{
idx.Add(docid, shape);
docid = docs.NextDoc();
count++;
}
}
}
}
/*long elapsed = J2N.Time.NanoTime() / J2N.Time.MillisecondsPerNanosecond - startTime; // LUCENENET: Use NanoTime() rather than CurrentTimeMilliseconds() for more accurate/reliable results
* log.Fine("Cached: [" + count + " in " + elapsed + "ms] " + idx);*/
return idx;
})).Value);
}
