jpayne@68: package kmer;
jpayne@68: 
jpayne@68: public abstract class Walker {
jpayne@68: 
jpayne@68: 	
jpayne@68: 	/** 
jpayne@68: 	 * Allows iteration through a hash map.
jpayne@68: 	 * Concurrent modification is not recommended.
jpayne@68: 	 */
jpayne@68: 	public abstract boolean next();
jpayne@68: 	
jpayne@68: 	/** Current object kmer (key) for kmer package */
jpayne@68: 	public abstract long kmer();
jpayne@68: 	
jpayne@68: 	/** Current value */
jpayne@68: 	public abstract int value();
jpayne@68: 	
jpayne@68: }