code: /* This file is part of the Joshua Machine Translation System.
   * 
   * Joshua 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.jhu.thrax.util.io;
  
  import java.io.IOException;
  import java.util.Iterator;
  
  /**
   * Common interface for Reader type objects.
   *
   * @author wren ng thornton <wren@users.sourceforge.net>
   * @version $LastChangedDate: 2009-03-26 15:06:57 -0400 (Thu, 26 Mar 2009) $
   */
  public interface Reader<E> extends Iterable<E>, Iterator<E> {
  
      /** Close the reader, freeing all resources. */
      void close() throws IOException;
  
      /** Determine if the reader is ready to read a line. */
      boolean ready() throws IOException;
  
      /** Read a "line" and return an object representing it. */
      E readLine() throws IOException;
  }
  