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package bjc.esodata;
import java.util.Iterator;
import java.util.function.Consumer;
/**
* Represents a 'spool' facility for gathering batches of input together to be
* processed.
*
* @author bjcul
*
* @param <T> The type of data held in the spools
*/
public interface Spooler<T> {
/**
* Register a pre-existing spool with this spooler.
*
* @param spool The spool to register
*/
public void registerSpool(Spool<T> spool);
/**
* Get a consumer belonging to a new anonymous spool.
*
* @return A new anonymous spool.
*/
public Consumer<T> getInput();
/**
* Get the output for a unprocessed spool.
*
* @return The output for a unprocessed spool.
*/
public Iterator<T> getOutput();
/**
* Get an unprocessed spool.
*
* @return An unprocessed spool
*/
public Spool<T> getSpool();
}
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