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java.lang.Objectcom.hp.hpl.jena.graph.query.Stage
public abstract class Stage
a processing stage in the query pipeline. Each stage gets connected to its predecessor in the pipeline, and mangles the contents before handing them on to the next stage.
Constructor Summary | |
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Stage()
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Method Summary | |
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void |
close()
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Stage |
connectFrom(Stage s)
connect this stage to its supplier; return this for chaining. |
abstract Pipe |
deliver(Pipe sink)
execute the pipeline and pump the results into _sink_; this is asynchronous. |
static Stage |
initial(int count)
construct a new initial stage for the pipeline |
boolean |
isClosed()
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Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Stage()
Method Detail |
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public static Stage initial(int count)
public Stage connectFrom(Stage s)
public boolean isClosed()
public void close()
public abstract Pipe deliver(Pipe sink)
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