1 package org
.argeo
.slc
.repo
.core
;
6 import javax
.jcr
.RepositoryException
;
7 import javax
.jcr
.Session
;
8 import javax
.jcr
.observation
.Event
;
9 import javax
.jcr
.observation
.EventIterator
;
10 import javax
.jcr
.observation
.EventListener
;
12 import org
.argeo
.api
.cms
.CmsLog
;
13 import org
.argeo
.jcr
.JcrUtils
;
14 import org
.argeo
.slc
.SlcException
;
15 import org
.argeo
.slc
.repo
.NodeIndexer
;
17 /** Maintains the metadata of a workspace, using listeners */
18 public class WorkspaceIndexer
{
19 private final static CmsLog log
= CmsLog
.getLog(WorkspaceIndexer
.class);
21 private final Session adminSession
;
22 private IndexingListener artifactListener
;
23 /** order may be important */
24 private final List
<NodeIndexer
> nodeIndexers
;
26 public WorkspaceIndexer(Session adminSession
, List
<NodeIndexer
> nodeIndexers
) {
27 this.adminSession
= adminSession
;
28 this.nodeIndexers
= nodeIndexers
;
30 artifactListener
= new IndexingListener();
33 .getObservationManager()
34 .addEventListener(artifactListener
, Event
.NODE_ADDED
, "/",
35 true, null, null, true);
36 } catch (RepositoryException e
) {
37 throw new SlcException("Cannot initialize repository backend", e
);
43 adminSession
.getWorkspace().getObservationManager()
44 .removeEventListener(artifactListener
);
45 } catch (RepositoryException e
) {
46 log
.error("Cannot close workspace indexer "
47 + adminSession
.getWorkspace().getName(), e
);
51 class IndexingListener
implements EventListener
{
53 public void onEvent(EventIterator events
) {
54 while (events
.hasNext()) {
55 Event event
= events
.nextEvent();
57 String newNodePath
= event
.getPath();
59 for (NodeIndexer nodeIndexer
: nodeIndexers
) {
61 if (nodeIndexer
.support(newNodePath
)) {
63 newNode
= adminSession
.getNode(newNodePath
);
64 nodeIndexer
.index(newNode
);
66 } catch (RuntimeException e
) {
73 } catch (RepositoryException e
) {
74 throw new SlcException("Cannot process event " + event
, e
);
76 JcrUtils
.discardQuietly(adminSession
);