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public class InitialStage
extends Stage
The initial stage of a query, responsible for dropping the no-variables-bound seed
binding domain into the remaining stages of the query pipeline.
Author:
kers
Field Summary
Fields inherited from class com.hp.hpl.jena.graph.query.Stage
stillOpen
Constructor Summary
Constructors
Constructor and Description
InitialStage (int count)
The value passed in is the computed width of the result array(s); this
is used to allocate the seeding node array.
Method Summary
Methods
Modifier and Type
Method and Description
void
close ()
Pipe
deliver (Pipe result)
To deliver value into the Pipe result, we drop in a binding array of the correct
width in which all the elements are null, then we close the pipe.
Method Detail
close
public void close()
Overrides:
close
in class Stage
deliver
public Pipe deliver(Pipe result)
To deliver value into the Pipe result, we drop in a binding array of the correct
width in which all the elements are null, then we close the pipe. Everything else
is spawned by the following stages.
Specified by:
deliver
in class Stage
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