public class UniqueStream extends TupleStream
Constructor and Description |
---|
UniqueStream(TupleStream tupleStream,
Comparator<Tuple> comp) |
Modifier and Type | Method and Description |
---|---|
List<TupleStream> |
children() |
void |
close() |
int |
getCost() |
void |
open() |
Tuple |
read() |
void |
setStreamContext(StreamContext context) |
public UniqueStream(TupleStream tupleStream, Comparator<Tuple> comp)
public void setStreamContext(StreamContext context)
setStreamContext
in class TupleStream
public List<TupleStream> children()
children
in class TupleStream
public void open() throws IOException
open
in class TupleStream
IOException
public void close() throws IOException
close
in class TupleStream
IOException
public Tuple read() throws IOException
read
in class TupleStream
IOException
public int getCost()
getCost
in class TupleStream
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