public Enumerator(BlockIndexBase <T> index, int startOffset, int endOffset)
{
this.index = index;
this.startOffset = startOffset;
this.endOffset = endOffset;
Reset();
}
protected BlockIndexBase(IIndex <T> index)
: this()
{
if (index is BlockIndexBase <T> )
{
// Optimization for when the input list is a BlockIntegerList
BlockIndexBase <T> blockIndex = (BlockIndexBase <T>)index;
List <IIndexBlock <T> > inBlocks = blockIndex.Blocks;
int inBlocksCount = inBlocks.Count;
// For each block in 'blockIndex'
for (int i = 0; i < inBlocksCount; ++i)
{
// get the block.
IIndexBlock <T> block = inBlocks[i];
// Insert a new block in this object.
IIndexBlock <T> destBlock = InsertBlock(i, NewBlock());
// Copy the contents of the source block to the new destination block.
block.CopyTo(destBlock);
}
// Set the size of the list
Count = blockIndex.Count; //count;
}
else
{
// The case when IIntegerList type is not known
IIndexEnumerator <T> i = index.GetEnumerator();
while (i.MoveNext())
{
Add(i.Current);
}
}
// If the given list is immutable then set this list to immutable
if (index.IsReadOnly)
{
IsReadOnly = true;
}
}