public bool NextBatch(T[] batch, out int count)
{
count = 0;
while (source.NextBatch(sourceBatch, out int sbCount))
{
int start = 0;
if (skip > 0)
{
int toSkip = Math.Min(skip, sbCount);
start += toSkip;
skip -= toSkip;
}
for (int i = start; i < sbCount; i++)
{
batch[count] = sourceBatch[i];
count++;
if (count == batch.Length)
{
return(true);
}
}
}
return(count > 0);
}
public bool NextBatch(TResult[] batch, out int count)
{
if (!source.NextBatch(sourceBatch, out count))
{
return(false);
}
for (int i = 0; i < count; i++)
{
batch[i] = selector(sourceBatch[i]);
}
return(true);
}
public bool NextBatch(T[] batch, out int count)
{
count = 0;
while (take > 0 && count < batch.Length && source.NextBatch(sourceBatch, out int sbCount))
{
int toCopy = Math.Min(sbCount - count, take);
Array.Copy(sourceBatch, 0, batch, count, toCopy);
count += toCopy;
take -= toCopy;
}
return(count > 0);
}
public bool NextBatch(T[] batch, out int count)
{
count = 0;
while (source.NextBatch(sourceBatch, out int sbCount))
{
for (int i = 0; i < sbCount; i++)
{
if (predicate(sourceBatch[i]))
{
batch[count] = sourceBatch[i];
count++;
if (count == batch.Length)
{
return(true);
}
}
}
}
return(count > 0);
}