StateComputer.java

package joshua.decoder.ff.state_maintenance;

import java.util.List;


import joshua.decoder.chart_parser.SourcePath;
import joshua.decoder.ff.tm.Rule;
import joshua.decoder.hypergraph.HGNode;

public interface StateComputer<D extends DPState> {
	
	/* a valid stateID can be any interger except -1
	 * */
	void    setStateID(int stateID);
	int     getStateID();
	
	D computeState(Rule rule, List<HGNode> antNodes, int spanStart, int spanEnd, SourcePath srcPath);
	
	D computeFinalState(HGNode antNode, int spanStart, int spanEnd, SourcePath srcPath);
	
}