DDProviderDataObject


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  package org.netbeans.modules.j2ee.dd.impl.common;
20  
21  import org.openide.filesystems.FileLock;
22  import org.netbeans.modules.j2ee.dd.api.common.RootInterface;
23  
24  import java.io.IOException  ;
25  import java.io.Reader  ;
26  
27  /**
28   * @author pfiala
29   */
30  public interface DDProviderDataObject {
31      /**
32       * Provides Reader to save binary data.
33       * @return the Reader
34       * @throws IOException
35       */
36      Reader   createReader() throws IOException  ;
37  
38      /**
39       * Locks binary data if possible.
40       * @return the data lock
41       */
42      FileLock getDataLock();
43  
44      /**
45       * Writes data from model to the cache and saves the data if needed.
46       * @param model
47       * @param dataLock
48       */
49      void writeModel(RootInterface model, FileLock dataLock);
50  
51      /**
52       * Obtains data lock, writes data from model to the cache and saves the data if needed.
53       * Finally releases the lock.
54       * @param model
55       */
56      void writeModel(RootInterface model) throws IOException  ;
57  }
58
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