GrammarTreeNode.java

package edu.isi.karma.cleaning;


public interface GrammarTreeNode {
	public String toProgram();
	public GrammarTreeNode mergewith(GrammarTreeNode a );
	public String getNodeType();
	public double getScore();
	public String getrepString(); // return a string represent the type info of the grammar tree node
	public void createTotalOrderVector(); // use the predefined partial order to creat a total order vector
	public void emptyState();
	public long size();
}