| ProcessingResource.java |
1 /*
2 * ProcessingResource.java
3 *
4 * Copyright (c) 1998-2004, 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, 11/Feb/2000
12 *
13 * $Id: ProcessingResource.java,v 1.13 2004/07/21 17:10:02 akshay Exp $
14 */
15
16 package gate;
17
18 import gate.creole.ResourceInstantiationException;
19
20 /** Models all sorts of processing resources.
21 * Because <CODE>run()</CODE> doesn't throw exceptions, we
22 * have a <CODE>check()</CODE> that will re-throw any exception
23 * that was caught when <CODE>run()</CODE> was invoked.
24 */
25 public interface ProcessingResource extends Resource, Executable
26 {
27
28 /**
29 * Reinitialises the processing resource. After calling this method the
30 * resource should be in the state it is after calling init.
31 * If the resource depends on external resources (such as rules files) then
32 * the resource will re-read those resources. If the data used to create
33 * the resource has changed since the resource has been created then the
34 * resource will change too after calling reInit().
35 */
36 public void reInit() throws ResourceInstantiationException;
37 } // interface ProcessingResource
38