| ProcessingResource |

    1   /*
    2    *  ProcessingResource.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, 11/Feb/2000
    12   *
    13   *  $Id: ProcessingResource.java,v 1.10 2001/09/26 18:23:05 valyt Exp $
    14   */
    15
    16  package gate;
    17
    18  import java.util.*;
    19
    20  import gate.util.*;
    21  import gate.creole.*;
    22
    23  /** Models all sorts of processing resources.
    24    * Because <CODE>run()</CODE> doesn't throw exceptions, we
    25    * have a <CODE>check()</CODE> that will re-throw any exception
    26    * that was caught when <CODE>run()</CODE> was invoked.
    27    */
    28  public interface ProcessingResource extends Resource, Executable
    29  {
    30
    31    /**
    32     * Reinitialises the processing resource. After calling this method the
    33     * resource should be in the state it is after calling init.
    34     * If the resource depends on external resources (such as rules files) then
    35     * the resource will re-read those resources. If the data used to create
    36     * the resource has changed since the resource has been created then the
    37     * resource will change too after calling reInit().
    38     */
    39    public void reInit() throws ResourceInstantiationException;
    40
    41    /**
    42     * Checks whether this PR has been interrupted since the lsat time its
    43     * {@link execute()} method was called.
    44     */
    45    public boolean isInterrupted();
    46
    47    /**
    48     * Notifies this PR that it should stop its execution as soon as possible.
    49     */
    50    public void interrupt();
    51
    52  } // interface ProcessingResource
    53

| ProcessingResource |