private void InitTermBuffer()
{
if (termBuffer == null)
{
termBuffer = new char[ArrayUtil.GetNextSize(MIN_BUFFER_SIZE)];
termLength = 0;
}
}
public override int GetHashCode()
{
InitTermBuffer();
int code = termLength;
code = code * 31 + startOffset;
code = code * 31 + endOffset;
code = code * 31 + flags;
code = code * 31 + positionIncrement;
code = code * 31 + type.GetHashCode();
code = (payload == null?code:code * 31 + payload.GetHashCode());
code = code * 31 + ArrayUtil.HashCode(termBuffer, 0, termLength);
return(code);
}
/// <summary>Allocates a buffer char[] of at least newSize, without preserving the existing content.
/// its always used in places that set the content
/// </summary>
/// <param name="newSize">minimum size of the buffer
/// </param>
private void GrowTermBuffer(int newSize)
{
if (termBuffer == null)
{
// The buffer is always at least MIN_BUFFER_SIZE
termBuffer = new char[ArrayUtil.GetNextSize(newSize < MIN_BUFFER_SIZE?MIN_BUFFER_SIZE:newSize)];
}
else
{
if (termBuffer.Length < newSize)
{
// Not big enough; create a new array with slight
// over allocation:
termBuffer = new char[ArrayUtil.GetNextSize(newSize)];
}
}
}
/// <summary>Grows the termBuffer to at least size newSize, preserving the
/// existing content. Note: If the next operation is to change
/// the contents of the term buffer use
/// <see cref="SetTermBuffer(char[], int, int)" />,
/// <see cref="SetTermBuffer(String)" />, or
/// <see cref="SetTermBuffer(String, int, int)" />
/// to optimally combine the resize with the setting of the termBuffer.
/// </summary>
/// <param name="newSize">minimum size of the new termBuffer
/// </param>
/// <returns> newly created termBuffer with length >= newSize
/// </returns>
public virtual char[] ResizeTermBuffer(int newSize)
{
if (termBuffer == null)
{
termBuffer = new char[ArrayUtil.GetNextSize(newSize < MIN_BUFFER_SIZE ? MIN_BUFFER_SIZE : newSize)];
}
else
{
if (termBuffer.Length < newSize)
{
// Not big enough; create a new array with slight
// over allocation and preserve content
var newCharBuffer = new char[ArrayUtil.GetNextSize(newSize)];
Array.Copy(termBuffer, 0, newCharBuffer, 0, termBuffer.Length);
termBuffer = newCharBuffer;
}
}
return(termBuffer);
}
internal PerDoc GetPerDoc()
{
lock (this)
{
if (freeCount == 0)
{
allocCount++;
if (allocCount > docFreeList.Length)
{
// Grow our free list up front to make sure we have
// enough space to recycle all outstanding PerDoc
// instances
System.Diagnostics.Debug.Assert(allocCount == 1 + docFreeList.Length);
docFreeList = new PerDoc[ArrayUtil.GetNextSize(allocCount)];
}
return(new PerDoc(this));
}
else
{
return(docFreeList[--freeCount]);
}
}
}
public virtual void TestParseInt()
{
int test;
try
{
test = ArrayUtil.ParseInt32("".ToCharArray());
Assert.IsTrue(false);
}
#pragma warning disable 168
catch (FormatException e)
#pragma warning restore 168
{
//expected
}
try
{
test = ArrayUtil.ParseInt32("foo".ToCharArray());
Assert.IsTrue(false);
}
#pragma warning disable 168
catch (FormatException e)
#pragma warning restore 168
{
//expected
}
try
{
test = ArrayUtil.ParseInt32(Convert.ToString(long.MaxValue).ToCharArray());
Assert.IsTrue(false);
}
#pragma warning disable 168
catch (FormatException e)
#pragma warning restore 168
{
//expected
}
try
{
test = ArrayUtil.ParseInt32("0.34".ToCharArray());
Assert.IsTrue(false);
}
#pragma warning disable 168
catch (FormatException e)
#pragma warning restore 168
{
//expected
}
try
{
test = ArrayUtil.ParseInt32("1".ToCharArray());
Assert.IsTrue(test == 1, test + " does not equal: " + 1);
test = ArrayUtil.ParseInt32("-10000".ToCharArray());
Assert.IsTrue(test == -10000, test + " does not equal: " + -10000);
test = ArrayUtil.ParseInt32("1923".ToCharArray());
Assert.IsTrue(test == 1923, test + " does not equal: " + 1923);
test = ArrayUtil.ParseInt32("-1".ToCharArray());
Assert.IsTrue(test == -1, test + " does not equal: " + -1);
test = ArrayUtil.ParseInt32("foo 1923 bar".ToCharArray(), 4, 4);
Assert.IsTrue(test == 1923, test + " does not equal: " + 1923);
}
catch (FormatException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
Assert.IsTrue(false);
}
}
public override Sorter NewSorter(Entry[] arr)
{
return(new ArrayInPlaceMergeSorter <Entry>(arr, ArrayUtil.GetNaturalComparer <Entry>()));
}
public override int[] Init()
{
return(bytesStart = new int[ArrayUtil.Oversize(m_initSize, RamUsageEstimator.NUM_BYTES_INT32)]);
}
public override int[] Grow()
{
Debug.Assert(bytesStart != null);
return(bytesStart = ArrayUtil.Grow(bytesStart, bytesStart.Length + 1));
}
public override Sorter NewSorter(Entry[] arr)
{
return(new ArrayIntroSorter <Entry>(arr, ArrayUtil.naturalComparator <Entry>()));
}
/// <summary>
/// Used to grow the reference array.
/// <para/>
/// In general this should not be used as it does not take the offset into account.
/// <para/>
/// @lucene.internal
/// </summary>
public void Grow(int newLength)
{
Debug.Assert(Offset == 0); // NOTE: senseless if offset != 0
bytes = ArrayUtil.Grow(bytes, newLength);
}
/// <summary>
/// Expand the <see cref="T:long[]"/> with the size given as a number of words (64 bit longs). </summary>
public virtual void EnsureCapacityWords(int numWords)
{
m_bits = ArrayUtil.Grow(m_bits, numWords);
m_wlen = numWords;
Debug.Assert((this.numBits = Math.Max(this.numBits, numWords << 6)) >= 0);
}
protected override void Swap(int i, int j)
{
ArrayUtil.Swap(arr, i, j);
}
public override Sorter NewSorter(Entry[] arr)
{
return(new ArrayTimSorter <Entry>(arr, ArrayUtil.GetNaturalComparer <Entry>(), TestUtil.NextInt(Random(), 0, arr.Length)));
}
/// <summary>
/// Create a <seealso cref="GrowableByteArrayDataOutput"/> with the given initial capacity. </summary>
public GrowableByteArrayDataOutput(int cp)
{
this.Bytes = new sbyte[ArrayUtil.Oversize(cp, 1)];
this.Length = 0;
}
private void TestCase(int itrsWithVal, int specifiedValsOnItr, bool removeDups)
{
// Build a random number of lists
IList <int> expected = new JCG.List <int>();
Random random = new J2N.Randomizer(Random.NextInt64());
int numLists = itrsWithVal + random.Next(1000 - itrsWithVal);
IList <int>[] lists = new IList <int> [numLists];
for (int i = 0; i < numLists; i++)
{
lists[i] = new JCG.List <int>();
}
int start = random.Next(1000000);
int end = start + VALS_TO_MERGE / itrsWithVal / Math.Abs(specifiedValsOnItr);
for (int i = start; i < end; i++)
{
int maxList = lists.Length;
int maxValsOnItr = 0;
int sumValsOnItr = 0;
for (int itrWithVal = 0; itrWithVal < itrsWithVal; itrWithVal++)
{
int list = random.Next(maxList);
int valsOnItr = specifiedValsOnItr < 0 ? (1 + random.Next(-specifiedValsOnItr)) : specifiedValsOnItr;
maxValsOnItr = Math.Max(maxValsOnItr, valsOnItr);
sumValsOnItr += valsOnItr;
for (int valOnItr = 0; valOnItr < valsOnItr; valOnItr++)
{
lists[list].Add(i);
}
maxList = maxList - 1;
ArrayUtil.Swap(lists, list, maxList);
}
int maxCount = removeDups ? maxValsOnItr : sumValsOnItr;
for (int count = 0; count < maxCount; count++)
{
expected.Add(i);
}
}
// Now check that they get merged cleanly
IEnumerator <int>[] itrs = new IEnumerator <int> [numLists];
for (int i = 0; i < numLists; i++)
{
itrs[i] = lists[i].GetEnumerator();
}
try
{
MergedEnumerator <int> mergedItr = new MergedEnumerator <int>(removeDups, itrs);
using IEnumerator <int> expectedItr = expected.GetEnumerator();
while (expectedItr.MoveNext())
{
Assert.IsTrue(mergedItr.MoveNext());
Assert.AreEqual(expectedItr.Current, mergedItr.Current);
}
Assert.IsFalse(mergedItr.MoveNext());
}
finally
{
IOUtils.Dispose(itrs);
}
}
