public void TestLazy()
{
int id = Random().nextInt(NUM_DOCS);
IndexReader reader = DirectoryReader.Open(dir);
try
{
Query q = new TermQuery(new Term("docid", "" + id));
IndexSearcher searcher = NewSearcher(reader);
ScoreDoc[] hits = searcher.Search(q, 100).ScoreDocs;
assertEquals("Too many docs", 1, hits.Length);
LazyTestingStoredFieldVisitor visitor
= new LazyTestingStoredFieldVisitor(new LazyDocument(reader, hits[0].Doc),
FIELDS);
reader.Document(hits[0].Doc, visitor);
Document d = visitor.doc;
int numFieldValues = 0;
IDictionary <string, int> fieldValueCounts = new HashMap <string, int>();
// at this point, all FIELDS should be Lazy and unrealized
foreach (IIndexableField f in d)
{
numFieldValues++;
if (f.Name.Equals("never_load", StringComparison.Ordinal))
{
fail("never_load was loaded");
}
if (f.Name.Equals("load_later", StringComparison.Ordinal))
{
fail("load_later was loaded on first pass");
}
if (f.Name.Equals("docid", StringComparison.Ordinal))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
int count = fieldValueCounts.ContainsKey(f.Name) ?
fieldValueCounts[f.Name] : 0;
count++;
fieldValueCounts.Put(f.Name, count);
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertFalse(f.Name + " is loaded", lf.HasBeenLoaded);
}
}
Console.WriteLine("numFieldValues == " + numFieldValues);
assertEquals("numFieldValues", 1 + (NUM_VALUES * FIELDS.Length),
numFieldValues);
foreach (string field in fieldValueCounts.Keys)
{
assertEquals("fieldName count: " + field,
NUM_VALUES, fieldValueCounts[field]);
}
// pick a single field name to load a single value
string fieldName = FIELDS[Random().nextInt(FIELDS.Length)];
IIndexableField[] fieldValues = d.GetFields(fieldName);
assertEquals("#vals in field: " + fieldName,
NUM_VALUES, fieldValues.Length);
int valNum = Random().nextInt(fieldValues.Length);
assertEquals(id + "_" + fieldName + "_" + valNum,
fieldValues[valNum].GetStringValue());
// now every value of fieldName should be loaded
foreach (IIndexableField f in d)
{
if (f.Name.Equals("never_load", StringComparison.Ordinal))
{
fail("never_load was loaded");
}
if (f.Name.Equals("load_later", StringComparison.Ordinal))
{
fail("load_later was loaded too soon");
}
if (f.Name.Equals("docid", StringComparison.Ordinal))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertEquals(f.Name + " is loaded?",
lf.Name.Equals(fieldName, StringComparison.Ordinal), lf.HasBeenLoaded);
}
}
// use the same LazyDoc to ask for one more lazy field
visitor = new LazyTestingStoredFieldVisitor(new LazyDocument(reader, hits[0].Doc),
"load_later");
reader.Document(hits[0].Doc, visitor);
d = visitor.doc;
// ensure we have all the values we expect now, and that
// adding one more lazy field didn't "unload" the existing LazyField's
// we already loaded.
foreach (IIndexableField f in d)
{
if (f.Name.Equals("never_load", StringComparison.Ordinal))
{
fail("never_load was loaded");
}
if (f.Name.Equals("docid", StringComparison.Ordinal))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertEquals(f.Name + " is loaded?",
lf.Name.Equals(fieldName, StringComparison.Ordinal), lf.HasBeenLoaded);
}
}
// even the underlying doc shouldn't have never_load
assertNull("never_load was loaded in wrapped doc",
visitor.lazyDoc.GetDocument().GetField("never_load"));
}
finally
{
reader.Dispose();
}
}
public void TestLazy()
{
int id = Random().nextInt(NUM_DOCS);
IndexReader reader = DirectoryReader.Open(dir);
try
{
Query q = new TermQuery(new Term("docid", "" + id));
IndexSearcher searcher = NewSearcher(reader);
ScoreDoc[] hits = searcher.Search(q, 100).ScoreDocs;
assertEquals("Too many docs", 1, hits.Length);
LazyTestingStoredFieldVisitor visitor
= new LazyTestingStoredFieldVisitor(new LazyDocument(reader, hits[0].Doc),
FIELDS);
reader.Document(hits[0].Doc, visitor);
Document d = visitor.doc;
int numFieldValues = 0;
IDictionary<string, int> fieldValueCounts = new HashMap<string, int>();
// at this point, all FIELDS should be Lazy and unrealized
foreach (IndexableField f in d)
{
numFieldValues++;
if (f.Name.equals("never_load"))
{
fail("never_load was loaded");
}
if (f.Name.equals("load_later"))
{
fail("load_later was loaded on first pass");
}
if (f.Name.equals("docid"))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
int count = fieldValueCounts.ContainsKey(f.Name) ?
fieldValueCounts[f.Name] : 0;
count++;
fieldValueCounts.Put(f.Name, count);
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertFalse(f.Name + " is loaded", lf.HasBeenLoaded);
}
}
Console.WriteLine("numFieldValues == " + numFieldValues);
assertEquals("numFieldValues", 1 + (NUM_VALUES * FIELDS.Length), // LUCENENET TODO: Failing here 1 too small, but what field is the + 1 here supposed to represent?
numFieldValues);
foreach (string field in fieldValueCounts.Keys)
{
assertEquals("fieldName count: " + field,
NUM_VALUES, fieldValueCounts[field]);
}
// pick a single field name to load a single value
string fieldName = FIELDS[Random().nextInt(FIELDS.Length)];
IndexableField[] fieldValues = d.GetFields(fieldName);
assertEquals("#vals in field: " + fieldName,
NUM_VALUES, fieldValues.Length);
int valNum = Random().nextInt(fieldValues.Length);
assertEquals(id + "_" + fieldName + "_" + valNum,
fieldValues[valNum].StringValue);
// now every value of fieldName should be loaded
foreach (IndexableField f in d)
{
if (f.Name.equals("never_load"))
{
fail("never_load was loaded");
}
if (f.Name.equals("load_later"))
{
fail("load_later was loaded too soon");
}
if (f.Name.equals("docid"))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertEquals(f.Name + " is loaded?",
lf.Name.equals(fieldName), lf.HasBeenLoaded);
}
}
// use the same LazyDoc to ask for one more lazy field
visitor = new LazyTestingStoredFieldVisitor(new LazyDocument(reader, hits[0].Doc),
"load_later");
reader.Document(hits[0].Doc, visitor);
d = visitor.doc;
// ensure we have all the values we expect now, and that
// adding one more lazy field didn't "unload" the existing LazyField's
// we already loaded.
foreach (IndexableField f in d)
{
if (f.Name.equals("never_load"))
{
fail("never_load was loaded");
}
if (f.Name.equals("docid"))
{
assertFalse(f.Name, f is LazyDocument.LazyField);
}
else
{
assertTrue(f.Name + " is " + f.GetType(),
f is LazyDocument.LazyField);
LazyDocument.LazyField lf = (LazyDocument.LazyField)f;
assertEquals(f.Name + " is loaded?",
lf.Name.equals(fieldName), lf.HasBeenLoaded);
}
}
// even the underlying doc shouldn't have never_load
assertNull("never_load was loaded in wrapped doc",
visitor.lazyDoc.Document.GetField("never_load"));
}
finally
{
reader.Dispose();
}
}