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1   /**
2    * This file Copyright (c) 2011-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.cms.util;
35  
36  import info.magnolia.cms.core.Content;
37  import info.magnolia.cms.core.HierarchyManager;
38  import info.magnolia.cms.core.NodeData;
39  import info.magnolia.context.MgnlContext;
40  
41  import java.io.Serializable;
42  
43  import javax.jcr.RepositoryException;
44  
45  import org.slf4j.Logger;
46  import org.slf4j.LoggerFactory;
47  
48  /**
49   * Stores a path and will re-fetch the node data in {@link #getWrappedNodeData()} if the session is closed.
50   *
51   * @deprecated since 5.6 - without replacement.
52   */
53  @Deprecated
54  public class LazyNodeDataWrapper extends NodeDataWrapper implements Serializable {
55      private static final Logger log = LoggerFactory.getLogger(LazyNodeDataWrapper.class);
56  
57      private String repository;
58  
59      private String path;
60  
61      private transient NodeData nodeData;
62  
63      public LazyNodeDataWrapper(NodeData nodeData) {
64          try {
65              this.setRepository(nodeData.getParent().getWorkspace().getName());
66          } catch (RepositoryException e) {
67              throw new RuntimeException(e);
68          }
69          this.setPath(nodeData.getHandle());
70          this.nodeData = nodeData;
71      }
72  
73      @Override
74      public NodeData getWrappedNodeData() {
75          try {
76              // DHM.getNodeData() can still return null and the var itself is transient and won't survive serialization
77              if (nodeData == null || (nodeData.isExist() && !nodeData.getJCRProperty().getSession().isLive())) {
78                  nodeData = getHierarchyManager().getNodeData(getPath());
79              }
80          } catch (RepositoryException e) {
81              log.error("can't reinitialize node {}", getPath(), e);
82          }
83          return nodeData;
84      }
85  
86      @Override
87      public HierarchyManager getHierarchyManager() {
88          try {
89              return HierarchyManagerUtil.asHierarchyManager(MgnlContext.getSystemContext().getJCRSession(getRepository()));
90          } catch (RepositoryException e) {
91              throw new RuntimeException(e);
92          }
93      }
94  
95      protected void setPath(String uuid) {
96          this.path = uuid;
97      }
98  
99      protected String getPath() {
100         return path;
101     }
102 
103     protected void setRepository(String repository) {
104         this.repository = repository;
105     }
106 
107     protected String getRepository() {
108         return repository;
109     }
110 
111     @Override
112     protected Content wrap(Content content) {
113         return new LazyContentWrapper(content);
114     }
115 }