public InputArrayIterator(IEnumerator<Input> i)
{
this.i = i;
if (i.MoveNext())
{
current = i.Current;
first = true;
this.hasPayloads = current.hasPayloads;
this.hasContexts = current.hasContexts;
}
else
{
this.hasPayloads = false;
this.hasContexts = false;
}
}
public BytesRef Next()
{
// LUCENENET NOTE: We moved the cursor when
// the instance was created. Make sure we don't
// move it again until the second call to Next().
if (first && current != null)
{
first = false;
}
else if (i.MoveNext())
{
current = i.Current;
}
else
{
return null;
}
spare.CopyBytes(current.term);
return spare;
}
private void RunTest(Type lookupClass,
bool supportsExactWeights)
{
// Add all input keys.
Lookup lookup = (Lookup)Activator.CreateInstance(lookupClass);
Input[] keys = new Input[this.keys.Length];
for (int i = 0; i < keys.Length; i++)
keys[i] = new Input(this.keys[i], i);
lookup.Build(new InputArrayIterator(keys));
// Store the suggester.
DirectoryInfo storeDir = CreateTempDir(this.GetType().Name);
lookup.Store(new FileStream(Path.Combine(storeDir.FullName, "lookup.dat"), FileMode.OpenOrCreate));
// Re-read it from disk.
lookup = (Lookup)Activator.CreateInstance(lookupClass);
lookup.Load(new FileStream(Path.Combine(storeDir.FullName, "lookup.dat"), FileMode.Open));
// Assert validity.
Random random = Random();
long previous = long.MinValue;
foreach (Input k in keys)
{
IList<Lookup.LookupResult> list = lookup.DoLookup(TestUtil.BytesToCharSequence(k.term, random).ToString(), false, 1);
assertEquals(1, list.size());
Lookup.LookupResult lookupResult = list[0];
assertNotNull(k.term.Utf8ToString(), lookupResult.key);
if (supportsExactWeights)
{
assertEquals(k.term.Utf8ToString(), k.v, lookupResult.value);
}
else
{
assertTrue(lookupResult.value + ">=" + previous, lookupResult.value >= previous);
previous = lookupResult.value;
}
}
}
public InputArrayIterator(Input[] i)
: this(Arrays.AsList(i))
{
}
public void TestTerms()
{
Random random = Random();
int num = AtLeast(10000);
#pragma warning disable 612, 618
IComparer<BytesRef> comparator = random.nextBoolean() ? BytesRef.UTF8SortedAsUnicodeComparer : BytesRef.UTF8SortedAsUTF16Comparer;
#pragma warning restore 612, 618
IDictionary<BytesRef, KeyValuePair<long, BytesRef>> sorted = new SortedDictionary<BytesRef, KeyValuePair<long, BytesRef>>(comparator); //new TreeMap<>(comparator);
IDictionary<BytesRef, long> sortedWithoutPayload = new SortedDictionary<BytesRef, long>(comparator); //new TreeMap<>(comparator);
IDictionary<BytesRef, KeyValuePair<long, ISet<BytesRef>>> sortedWithContext = new SortedDictionary<BytesRef, KeyValuePair<long, ISet<BytesRef>>>(comparator); //new TreeMap<>(comparator);
IDictionary<BytesRef, KeyValuePair<long, KeyValuePair<BytesRef, ISet<BytesRef>>>> sortedWithPayloadAndContext = new SortedDictionary<BytesRef, KeyValuePair<long, KeyValuePair<BytesRef, ISet<BytesRef>>>>(comparator); //new TreeMap<>(comparator);
Input[] unsorted = new Input[num];
Input[] unsortedWithoutPayload = new Input[num];
Input[] unsortedWithContexts = new Input[num];
Input[] unsortedWithPayloadAndContext = new Input[num];
ISet<BytesRef> ctxs;
for (int i = 0; i < num; i++)
{
BytesRef key2;
BytesRef payload;
ctxs = new HashSet<BytesRef>();
do
{
key2 = new BytesRef(TestUtil.RandomUnicodeString(random));
payload = new BytesRef(TestUtil.RandomUnicodeString(random));
for (int j = 0; j < AtLeast(2); j++)
{
ctxs.add(new BytesRef(TestUtil.RandomUnicodeString(random)));
}
} while (sorted.ContainsKey(key2));
long value = random.Next();
sortedWithoutPayload.Put(key2, value);
sorted.Put(key2, new KeyValuePair<long, BytesRef>(value, payload));
sortedWithContext.Put(key2, new KeyValuePair<long, ISet<BytesRef>>(value, ctxs));
sortedWithPayloadAndContext.Put(key2, new KeyValuePair<long, KeyValuePair<BytesRef, ISet<BytesRef>>>(value, new KeyValuePair<BytesRef, ISet<BytesRef>>(payload, ctxs)));
unsorted[i] = new Input(key2, value, payload);
unsortedWithoutPayload[i] = new Input(key2, value);
unsortedWithContexts[i] = new Input(key2, value, ctxs);
unsortedWithPayloadAndContext[i] = new Input(key2, value, payload, ctxs);
}
// test the sorted iterator wrapper with payloads
IInputIterator wrapper = new SortedInputIterator(new InputArrayIterator(unsorted), comparator);
IEnumerator<KeyValuePair<BytesRef, KeyValuePair<long, BytesRef>>> expected = sorted.GetEnumerator();
while (expected.MoveNext())
{
KeyValuePair<BytesRef, KeyValuePair<long, BytesRef>> entry = expected.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
assertEquals(entry.Value.Value, wrapper.Payload);
}
assertNull(wrapper.Next());
// test the sorted iterator wrapper with contexts
wrapper = new SortedInputIterator(new InputArrayIterator(unsortedWithContexts), comparator);
IEnumerator<KeyValuePair<BytesRef, KeyValuePair<long, ISet<BytesRef>>>> actualEntries = sortedWithContext.GetEnumerator();
while (actualEntries.MoveNext())
{
KeyValuePair<BytesRef, KeyValuePair<long, ISet<BytesRef>>> entry = actualEntries.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
ISet<BytesRef> actualCtxs = entry.Value.Value;
assertEquals(actualCtxs, wrapper.Contexts);
}
assertNull(wrapper.Next());
// test the sorted iterator wrapper with contexts and payload
wrapper = new SortedInputIterator(new InputArrayIterator(unsortedWithPayloadAndContext), comparator);
IEnumerator<KeyValuePair<BytesRef, KeyValuePair<long, KeyValuePair<BytesRef, ISet<BytesRef>>>>> expectedPayloadContextEntries = sortedWithPayloadAndContext.GetEnumerator();
while (expectedPayloadContextEntries.MoveNext())
{
KeyValuePair<BytesRef, KeyValuePair<long, KeyValuePair<BytesRef, ISet<BytesRef>>>> entry = expectedPayloadContextEntries.Current;
assertEquals(entry.Key, wrapper.Next());
assertEquals(Convert.ToInt64(entry.Value.Key), wrapper.Weight);
ISet<BytesRef> actualCtxs = entry.Value.Value.Value;
assertEquals(actualCtxs, wrapper.Contexts);
BytesRef actualPayload = entry.Value.Value.Key;
assertEquals(actualPayload, wrapper.Payload);
}
assertNull(wrapper.Next());
// test the unsorted iterator wrapper with payloads
wrapper = new UnsortedInputIterator(new InputArrayIterator(unsorted));
IDictionary<BytesRef, KeyValuePair<long, BytesRef>> actual = new SortedDictionary<BytesRef, KeyValuePair<long, BytesRef>>(); //new TreeMap<>();
BytesRef key;
while ((key = wrapper.Next()) != null)
{
long value = wrapper.Weight;
BytesRef payload = wrapper.Payload;
actual.Put(BytesRef.DeepCopyOf(key), new KeyValuePair<long, BytesRef>(value, BytesRef.DeepCopyOf(payload)));
}
assertEquals(sorted, actual);
// test the sorted iterator wrapper without payloads
IInputIterator wrapperWithoutPayload = new SortedInputIterator(new InputArrayIterator(unsortedWithoutPayload), comparator);
IEnumerator<KeyValuePair<BytesRef, long>> expectedWithoutPayload = sortedWithoutPayload.GetEnumerator();
while (expectedWithoutPayload.MoveNext())
{
KeyValuePair<BytesRef, long> entry = expectedWithoutPayload.Current;
assertEquals(entry.Key, wrapperWithoutPayload.Next());
assertEquals(Convert.ToInt64(entry.Value), wrapperWithoutPayload.Weight);
assertNull(wrapperWithoutPayload.Payload);
}
assertNull(wrapperWithoutPayload.Next());
// test the unsorted iterator wrapper without payloads
wrapperWithoutPayload = new UnsortedInputIterator(new InputArrayIterator(unsortedWithoutPayload));
IDictionary<BytesRef, long> actualWithoutPayload = new SortedDictionary<BytesRef, long>(); //new TreeMap<>();
while ((key = wrapperWithoutPayload.Next()) != null)
{
long value = wrapperWithoutPayload.Weight;
assertNull(wrapperWithoutPayload.Payload);
actualWithoutPayload.Put(BytesRef.DeepCopyOf(key), value);
}
assertEquals(sortedWithoutPayload, actualWithoutPayload);
}