/// <summary>
/// If key provided matches that of this Composite, give JoinCollector
/// iterator over values it may emit.
/// </summary>
/// <exception cref="System.IO.IOException"/>
public virtual void Accept(CompositeRecordReader.JoinCollector jc, K key)
{
// No values from static EMPTY class
if (HasNext() && 0 == cmp.Compare(key, Key()))
{
FillJoinCollector(CreateKey());
jc.Add(id, GetDelegate());
return;
}
jc.Add(id, Empty);
}
/// <summary>
/// Add an iterator to the collector at the position occupied by this
/// RecordReader over the values in this stream paired with the key
/// provided (ie register a stream of values from this source matching K
/// with a collector).
/// </summary>
/// <exception cref="System.IO.IOException"/>
public virtual void Accept(CompositeRecordReader.JoinCollector i, K key)
{
// JoinCollector comes from parent, which has
// no static type for the slot this sits in
vjoin.Clear();
if (0 == cmp.Compare(key, khead))
{
do
{
vjoin.Add(vhead);
}while (Next() && 0 == cmp.Compare(key, khead));
}
i.Add(id, vjoin);
}