plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/model/WorkspaceElem.java

   1 package org.argeo.slc.client.ui.dist.model;
   2
   3 import javax.jcr.NodeIterator;
   4 import javax.jcr.RepositoryException;
   5 import javax.jcr.Session;
   6 import javax.jcr.query.Query;
   7
   8 import org.argeo.ArgeoException;
   9 import org.argeo.jcr.JcrUtils;
  10 import org.argeo.slc.jcr.SlcNames;
  11 import org.argeo.slc.jcr.SlcTypes;
  12
  13 /** Abstract a workspace that contains a software distribution */
  14 public class WorkspaceElem extends DistParentElem {
  15         private final RepoElem repoElem;
  16         private String workspaceName;
  17         private Session defaultSession;
  18
  19         public WorkspaceElem(WkspGroupElem parent, RepoElem repoElem,
  20                         String workspaceName) {
  21                 super(workspaceName, repoElem.inHome(), repoElem.isReadOnly());
  22                 this.repoElem = repoElem;
  23                 this.workspaceName = workspaceName;
  24                 setParent(parent);
  25         }
  26
  27         public String getWorkspaceName() {
  28                 return workspaceName;
  29         }
  30
  31         public RepoElem getRepoElem() {
  32                 return repoElem;
  33         }
  34
  35         public Boolean isConnected() {
  36                 if (defaultSession != null && defaultSession.isLive())
  37                         return true;
  38                 else
  39                         return false;
  40         }
  41
  42         public void login() {
  43                 defaultSession = repoElem.repositoryLogin(getName());
  44         }
  45
  46         public boolean hasChildren() {
  47                 try {
  48                         if (isConnected())
  49                                 return defaultSession.getRootNode().hasNodes();
  50                         else
  51                                 return false;
  52                 } catch (RepositoryException re) {
  53                         throw new ArgeoException(
  54                                         "Unexpected error while checking children node existence",
  55                                         re);
  56                 }
  57         }
  58
  59         /** Override normal behaviour to initialize display of the workspace */
  60         @Override
  61         public synchronized Object[] getChildren() {
  62                 if (isLoaded()) {
  63                         return super.getChildren();
  64                 } else {
  65                         // initialize current object
  66                         try {
  67                                 if (defaultSession == null)
  68                                         return null;
  69                                 else {
  70                                         Query groupQuery = defaultSession
  71                                                         .getWorkspace()
  72                                                         .getQueryManager()
  73                                                         .createQuery(
  74                                                                         "select * from [" + SlcTypes.SLC_GROUP_BASE
  75                                                                                         + "] as group order by group.["
  76                                                                                         + SlcNames.SLC_GROUP_BASE_ID + "]",
  77                                                                         Query.JCR_SQL2);
  78                                         NodeIterator groups = groupQuery.execute().getNodes();
  79                                         while (groups.hasNext()) {
  80                                                 addChild(new GroupBaseElem(WorkspaceElem.this, groups
  81                                                                 .nextNode()
  82                                                                 .getProperty(SlcNames.SLC_GROUP_BASE_ID)
  83                                                                 .getString()));
  84                                         }
  85                                 }
  86                                 return super.getChildren();
  87                         } catch (RepositoryException e) {
  88                                 throw new ArgeoException(
  89                                                 "Cannot initialize WorkspaceNode UI object."
  90                                                                 + getName(), e);
  91                         }
  92                 }
  93         }
  94
  95         @Override
  96         public synchronized void dispose() {
  97                 JcrUtils.logoutQuietly(defaultSession);
  98                 super.dispose();
  99         }
 100 }