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/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2006, University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.classfile;

/**
 * Iterator over the resources in an IScannableCodeBase. Note that some of the
 * methods can throw InterruptedException. This occurs when the analysis is
 * canceled by interrupting the analysis thread.
 *
 * 
 * Note that the close() method must be called when done with an
 * ICodeBaseIterator object.
 * 
 *
 * @author David Hovemeyer
 */
public interface ICodeBaseIterator {
    /**
     * Return true if there is another resource to be scanned, false otherwise.
     *
     * @return true if there is another resource to be scanned, false otherwise
     */
    public boolean hasNext() throws InterruptedException;

    /**
     * Get the ICodeBaseEntry representing the next resource in the code base.
     *
     * @return the ICodeBaseEntry representing the next resource in the code
     *         base
     * @throws InterruptedException
     */
    public ICodeBaseEntry next() throws InterruptedException;
}