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Registers the prefetched tuples within an indexed buffer for further access through the tuple identifier used for indexing. This registering occurs while tuple collection they belong to is traversed by the application.
Method Summary | |
void |
addPrefetchTuple()
Adds to this cache a prefetched tuple that is the one which currently traversed within the associated tuple collection. |
void |
close()
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Tuple |
getTuple(java.lang.Object index)
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TupleCollection |
getTupleCollection(java.lang.Object index)
Returns the tuple collection positionned on the tuple identified by index. |
boolean |
isClosed()
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void |
setTupleCollection(TupleCollection tc)
Associates a tuple collection to this PrefetchBuffer. |
Method Detail |
public void addPrefetchTuple() throws MedorException
MedorException
public void setTupleCollection(TupleCollection tc) throws MedorException
tc
- The associated tuple collection.
MedorException
public TupleCollection getTupleCollection(java.lang.Object index) throws MedorException
MedorException
public void close() throws MedorException
MedorException
public boolean isClosed()
public Tuple getTuple(java.lang.Object index) throws MedorException
MedorException
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