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1 /* 2 * Controller.java 3 * 4 * Copyright (c) 1998-2001, The University of Sheffield. 5 * 6 * This file is part of GATE (see http://gate.ac.uk/), and is free 7 * software, licenced under the GNU Library General Public License, 8 * Version 2, June 1991 (in the distribution as file licence.html, 9 * and also available at http://gate.ac.uk/gate/licence.html). 10 * 11 * Hamish Cunningham, 9/Nov/2000 12 * 13 * $Id: Controller.java,v 1.8 2001/10/29 13:37:29 valyt Exp $ 14 */ 15 16 package gate; 17 18 import java.util.*; 19 import java.io.*; 20 21 import gate.util.*; 22 import gate.creole.*; 23 24 /** Models the execution of groups of ProcessingResources. 25 */ 26 public interface Controller extends Resource, Executable, 27 NameBearer, FeatureBearer 28 { 29 /** 30 * Returns all the {@link gate.ProcessingResource}s contained by this 31 * controller. 32 * The actual type of collection returned depends on the controller type. 33 */ 34 public Collection getPRs(); 35 36 37 /** 38 * Populates this controller from a collection of {@link ProcessingResource}s 39 * (optional operation). 40 * 41 * Controllers that are serializable must implement this method needed by GATE 42 * to restore their contents. 43 * @throws UnsupportedOperationException if the <tt>setPRs</tt> method 44 * is not supported by this controller. 45 */ 46 public void setPRs(Collection PRs); 47 48 49 } // interface Controller 50
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