/// <summary>
/// Loads ArrayTrie from an arbitrary <see cref="Stream"/>.
/// <paramref name="sourceStream"/> is closed and
/// disposed once this method completes.
/// </summary>
/// <param name="sourceStream">
/// A <see cref="Stream"/> containing the model.
/// </param>
/// <param name="numberOfElementsInChunk">
/// Number of elements (2 int32) in read buffer.
/// Default is 2048 (16K buffer size)</param>
public void Load(Stream sourceStream, int numberOfElementsInChunk = 2048)
{
const int int32Size = sizeof(int);
const int elementSize = int32Size * 2;
var fileSizeInBytes = sourceStream.Length;
var numberOfElements = fileSizeInBytes / elementSize;
#if NO_SUPPORT_VERY_BIG_OBJECT
array = new VarBigArray<sunit_t>(numberOfElements);
#else
array = new sunit_t[numberOfElements];
#endif
using (var sr = new StreamReader(sourceStream))
using (var br = new BinaryReader(sr.BaseStream))
{
var buffersize = elementSize * numberOfElementsInChunk;
var buffer = new byte[elementSize * numberOfElementsInChunk];
var index = 0;
for (long j = 0; j <= numberOfElements / numberOfElementsInChunk; j++)
{
var numberOfReadBytes = br.Read(buffer, 0, buffersize);
if (numberOfReadBytes == buffersize)
{
for (int i = 0; i < numberOfElementsInChunk; i++, index++)
{
var base1 = BitConverter.ToInt32(buffer, elementSize * i);
var check = BitConverter.ToInt32(buffer, (elementSize * i) + int32Size);
array[index] = new sunit_t(base1, check);
}
}
else
{
for (int i = 0; i < numberOfReadBytes / elementSize; i++)
{
var base1 = BitConverter.ToInt32(buffer, elementSize * i);
var check = BitConverter.ToInt32(buffer, (elementSize * i) + int32Size);
array[index++] = new sunit_t(base1, check);
}
break;
}
}
}
}
public void Load(String fileName)
{
StreamReader sr = new StreamReader(fileName);
BinaryReader br = new BinaryReader(sr.BaseStream);
FileInfo fi = new FileInfo(fileName);
int i = 0;
#if NO_SUPPORT_VERY_BIG_OBJECT
array = new VarBigArray<sunit_t>(fi.Length / 8);
#else
array = new sunit_t[fi.Length / 8];
#endif
for (i = 0; i < array.LongLength; i++)
{
int base1 = br.ReadInt32();
int check = br.ReadInt32();
array[i] = new sunit_t(base1, check);
}
br.Close();
}
