src/org/gel/mauve/tree/IstIterator.java

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package org.gel.mauve.tree;

import java.util.Iterator;

class IstIterator implements Iterator {
        IstNode node;

        IntervalSequenceTree ist;

        IstIterator (IntervalSequenceTree ist, IstNode node) {
                this.ist = ist;
                this.node = node;
        }

        // Returns true if the iteration has more elements.
        public boolean hasNext () {
                return ist.increment (node) != null;
        }

        // Returns the next element in the iteration.
        public Object next () {
                node = ist.increment (node);
                return node.getKey ();
        }

        // Removes from the underlying collection the last element returned by the
        // iterator (optional operation).
        public void remove () {

        }
}

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