2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import java.beans.PropertyChangeEvent;
24 import java.beans.PropertyChangeListener;
26 import java.io.IOException;
27 import java.util.Hashtable;
28 import java.util.IdentityHashMap;
29 import java.util.Iterator;
31 import javax.swing.JInternalFrame;
33 import jalview.bin.Cache;
34 import jalview.bin.Console;
35 import jalview.datamodel.AlignmentI;
36 import jalview.datamodel.ColumnSelection;
37 import jalview.datamodel.HiddenColumns;
38 import jalview.datamodel.SequenceGroup;
39 import jalview.datamodel.SequenceI;
40 import jalview.io.VamsasAppDatastore;
41 import jalview.structure.SelectionListener;
42 import jalview.structure.SelectionSource;
43 import jalview.structure.StructureSelectionManager;
44 import jalview.structure.VamsasListener;
45 import jalview.structure.VamsasSource;
46 import jalview.util.MessageManager;
47 import jalview.viewmodel.AlignmentViewport;
48 import uk.ac.vamsas.client.ClientHandle;
49 import uk.ac.vamsas.client.IClient;
50 import uk.ac.vamsas.client.IClientDocument;
51 import uk.ac.vamsas.client.InvalidSessionDocumentException;
52 import uk.ac.vamsas.client.UserHandle;
53 import uk.ac.vamsas.client.VorbaId;
54 import uk.ac.vamsas.client.picking.IMessageHandler;
55 import uk.ac.vamsas.client.picking.IPickManager;
56 import uk.ac.vamsas.client.picking.Message;
57 import uk.ac.vamsas.client.picking.MouseOverMessage;
58 import uk.ac.vamsas.client.picking.SelectionMessage;
59 import uk.ac.vamsas.objects.core.Entry;
60 import uk.ac.vamsas.objects.core.Input;
61 import uk.ac.vamsas.objects.core.Pos;
62 import uk.ac.vamsas.objects.core.Seg;
68 public class VamsasApplication implements SelectionSource, VamsasSource
70 IClient vclient = null;
72 ClientHandle app = null;
74 UserHandle user = null;
76 Desktop jdesktop = null; // our jalview desktop reference
78 private boolean inInitialUpdate = true;
80 // Cache.preferences for vamsas client session arena
81 // preferences for check for default session at startup.
82 // user and organisation stuff.
83 public VamsasApplication(Desktop jdesktop, File sessionPath,
87 // we should create a session URI from the sessionPath and pass it to
88 // the clientFactory - but the vamsas api doesn't cope with that yet.
89 this.jdesktop = jdesktop;
90 initClientSession(null, sessionPath, sessionName);
93 private static uk.ac.vamsas.client.IClientFactory getClientFactory()
96 return new uk.ac.vamsas.client.simpleclient.SimpleClientFactory();
100 * Start a new vamsas session
104 public VamsasApplication(Desktop jdesktop)
106 this.jdesktop = jdesktop;
107 initClientSession(null, null);
111 * init a connection to the session at the given url
116 public VamsasApplication(Desktop jdesktop, String sessionUrl)
118 this.jdesktop = jdesktop;
119 initClientSession(sessionUrl, null);
123 * @throws IOException
124 * or other if clientfactory instantiation failed.
125 * @return list of current sessions or null if no session exists.
127 public static String[] getSessionList() throws Exception
129 return getClientFactory().getCurrentSessions();
133 * initialise, possibly with either a valid session url or a file for a new
137 * null or a valid session url
138 * @param vamsasDocument
139 * null or a valid vamsas document file
140 * @return false if no vamsas connection was made
142 private void initClientSession(String sess, File vamsasDocument)
144 initClientSession(sess, vamsasDocument, null);
147 private boolean initClientSession(String sess, File vamsasDocument,
148 String newDocSessionName)
152 // Only need to tell the library what the application is here
153 app = getJalviewHandle();
154 uk.ac.vamsas.client.IClientFactory clientfactory = getClientFactory();
155 if (vamsasDocument != null)
159 throw new Error(MessageManager.getString(
160 "error.implementation_error_cannot_import_vamsas_doc"));
164 if (newDocSessionName != null)
166 vclient = clientfactory.openAsNewSessionIClient(app,
167 vamsasDocument, newDocSessionName);
171 vclient = clientfactory.openAsNewSessionIClient(app,
174 } catch (InvalidSessionDocumentException e)
176 JvOptionPane.showInternalMessageDialog(Desktop.desktop,
178 MessageManager.getString(
179 "label.vamsas_doc_couldnt_be_opened_as_new_session"),
181 .getString("label.vamsas_document_import_failed"),
182 JvOptionPane.ERROR_MESSAGE);
188 // join existing or create a new session
191 vclient = clientfactory.getNewSessionIClient(app);
195 vclient = clientfactory.getIClient(app, sess);
198 // set some properties for our VAMSAS interaction
200 user = vclient.getUserHandle();
202 } catch (Exception e)
204 Console.error("Couldn't instantiate vamsas client !", e);
210 private void setVclientConfig()
218 if (vclient instanceof uk.ac.vamsas.client.simpleclient.SimpleClient)
220 uk.ac.vamsas.client.simpleclient.SimpleClientConfig cfg = ((uk.ac.vamsas.client.simpleclient.SimpleClient) vclient)
221 .getSimpleClientConfig();
222 cfg._validatemergedroots = false;
223 cfg._validateupdatedroots = true; // we may write rubbish otherwise.
228 "Probable SERIOUS VAMSAS client incompatibility - carrying on regardless",
230 } catch (Exception e)
233 "Probable VAMSAS client incompatibility - carrying on regardless",
239 * make the appHandle for Jalview
243 private ClientHandle getJalviewHandle()
245 return new ClientHandle("jalview.bin.Jalview",
246 Cache.getProperty("VERSION"));
251 * @return true if we are registered in a vamsas session
253 public boolean inSession()
255 return (vclient != null);
259 * called to connect to session inits handlers, does an initial document
262 public void initial_update()
267 "Implementation error! Vamsas Operations when client not initialised and connected");
269 addDocumentUpdateHandler();
270 addStoreDocumentHandler();
272 inInitialUpdate = true;
273 Console.debug("Jalview loading the Vamsas Session for the first time.");
274 dealWithDocumentUpdate(false); // we don't push an update out to the
275 inInitialUpdate = false;
277 Console.debug("... finished update for the first time.");
281 * Update all windows after a vamsas datamodel change. this could go on the
285 protected void updateJalviewGui()
287 JInternalFrame[] frames = jdesktop.getAllFrames();
297 for (int i = frames.length - 1; i > -1; i--)
299 if (frames[i] instanceof AlignFrame)
301 AlignFrame af = (AlignFrame) frames[i];
302 af.alignPanel.alignmentChanged();
305 } catch (Exception e)
308 "Exception whilst refreshing jalview windows after a vamsas document update.",
313 public void push_update()
315 Thread udthread = new Thread(new Runnable()
321 Console.info("Jalview updating to the Vamsas Session.");
323 dealWithDocumentUpdate(true);
324 Console.info("Jalview finished updating to the Vamsas Session.");
332 * leave a session, prompting the user to save if necessary
334 public void end_session()
339 private boolean promptUser = true;
342 * leave a session, optionally prompting the user to save if necessary
345 * when true enable prompting by this application
348 public void end_session(boolean promptUser)
352 throw new Error("Jalview not connected to Vamsas session");
354 Console.info("Jalview disconnecting from the Vamsas Session.");
359 boolean ourprompt = this.promptUser;
360 this.promptUser = promptUser;
361 vclient.finalizeClient();
362 Console.info("Jalview has left the session.");
363 this.promptUser = ourprompt; // restore default value
368 "JV Client leaving a session that's its not joined yet.");
370 joinedSession = false;
376 } catch (Exception e)
378 Console.error("Vamsas Session finalization threw exceptions!", e);
382 public void updateJalview(IClientDocument cdoc)
384 Console.debug("Jalview updating from sesion document ..");
386 VamsasAppDatastore vds = new VamsasAppDatastore(cdoc, vobj2jv, jv2vobj,
387 baseProvEntry(), alRedoState);
390 vds.updateToJalview();
391 } catch (Exception e)
393 Console.error("Failed to update Jalview from vamsas document.", e);
399 vds.updateJalviewFromAppdata();
400 // Comment this out to repeatedly read in data from JalviewAppData
401 // firstUpdate=false;
403 } catch (Exception e)
406 "Exception when updating Jalview settings from Appdata.", e);
408 Console.debug(".. finished updating from sesion document.");
412 boolean firstUpdate = false;
414 private void ensureJvVamsas()
418 jv2vobj = new IdentityHashMap();
419 vobj2jv = new Hashtable();
420 alRedoState = new Hashtable();
426 * jalview object binding to VorbaIds
428 IdentityHashMap jv2vobj = null;
430 Hashtable vobj2jv = null;
432 Hashtable alRedoState = null;
434 boolean errorsDuringUpdate = false;
436 boolean errorsDuringAppUpdate = false;
439 * update the document accessed through doc. A backup of the current object
443 * @return number of views stored in document (updated and new views)
445 public int updateVamsasDocument(IClientDocument doc)
449 errorsDuringUpdate = false;
450 errorsDuringAppUpdate = false;
451 backup_objectMapping();
452 VamsasAppDatastore vds = new VamsasAppDatastore(doc, vobj2jv, jv2vobj,
453 baseProvEntry(), alRedoState);
454 // wander through frames
455 JInternalFrame[] frames = Desktop.desktop.getAllFrames();
461 Hashtable skipList = new Hashtable();
462 Hashtable viewset = new Hashtable();
467 for (int i = frames.length - 1; i > -1; i--)
469 if (frames[i] instanceof AlignFrame)
471 AlignFrame af = (AlignFrame) frames[i];
472 if (!viewset.containsKey(af.getViewport().getSequenceSetId()))
474 // update alignment and root from frame.
475 boolean stored = false;
478 stored = vds.storeVAMSAS(af.getViewport(), af.getTitle());
479 } catch (Exception e)
481 errorsDuringUpdate = true;
482 Console.error("Exception synchronizing " + af.getTitle() + " "
483 + (af.getViewport().getViewName() == null ? ""
484 : " view " + af.getViewport().getViewName())
485 + " to document.", e);
489 { // record skip in skipList
490 skipList.put(af.getViewport().getSequenceSetId(), af);
495 // could try to eliminate sequenceSetId from skiplist ..
496 // (skipList.containsKey(af.getViewport().getSequenceSetId()))
497 // remember sequenceSetId so we can skip all the other views on
499 viewset.put(af.getViewport().getSequenceSetId(), af);
505 // for (int i = frames.length - 1; i > -1; i--)
507 // if (frames[i] instanceof AlignFrame)
509 // AlignFrame af = (AlignFrame) frames[i];
510 Iterator aframes = viewset.values().iterator();
511 while (aframes.hasNext())
513 AlignFrame af = (AlignFrame) aframes.next();
514 // add any AlignedCodonFrame mappings on this alignment to any other.
515 vds.storeSequenceMappings(af.getViewport(), af.getTitle());
517 } catch (Exception e)
519 Console.error("Exception synchronizing Views to Document :", e);
520 errorsDuringUpdate = true;
525 if (viewset.size() > 0)
527 // Alignment views were synchronized, so store their state in the
529 // The skipList ensures we don't write out any alignments not actually
531 vds.setSkipList(skipList);
532 vds.updateJalviewClientAppdata();
534 } catch (Exception e)
536 Console.error("Client Appdata Write exception", e);
537 errorsDuringAppUpdate = true;
543 private Entry baseProvEntry()
545 uk.ac.vamsas.objects.core.Entry pentry = new uk.ac.vamsas.objects.core.Entry();
546 pentry.setUser(user.getFullName());
547 pentry.setApp(app.getClientUrn());
548 pentry.setDate(new java.util.Date());
549 pentry.setAction("created");
554 * do a vamsas document update or update jalview from the vamsas document
557 * true to update from jalview to the vamsas document
558 * @return total number of stored alignments in the document after the update
560 protected int dealWithDocumentUpdate(boolean fromJalview)
563 // called by update handler for document update.
564 Console.debug("Updating jalview from changed vamsas document.");
568 long time = System.currentTimeMillis();
569 IClientDocument cdoc = vclient.getClientDocument();
570 if (Console.isDebugEnabled())
572 Console.debug("Time taken to get ClientDocument = "
573 + (System.currentTimeMillis() - time));
574 time = System.currentTimeMillis();
578 storedviews += updateVamsasDocument(cdoc);
579 if (Console.isDebugEnabled())
582 "Time taken to update Vamsas Document from jalview\t= "
583 + (System.currentTimeMillis() - time));
584 time = System.currentTimeMillis();
586 cdoc.setVamsasRoots(cdoc.getVamsasRoots());
587 if (Console.isDebugEnabled())
589 Console.debug("Time taken to set Document Roots\t\t= "
590 + (System.currentTimeMillis() - time));
591 time = System.currentTimeMillis();
597 if (Console.isDebugEnabled())
600 "Time taken to update Jalview from vamsas document Roots\t= "
601 + (System.currentTimeMillis() - time));
602 time = System.currentTimeMillis();
606 vclient.updateDocument(cdoc);
607 if (Console.isDebugEnabled())
609 Console.debug("Time taken to update Session Document\t= "
610 + (System.currentTimeMillis() - time));
611 time = System.currentTimeMillis();
614 } catch (Exception ee)
616 System.err.println("Exception whilst updating :");
617 ee.printStackTrace(System.err);
618 // recover object map backup, since its probably corrupted with references
619 // to Vobjects that don't exist anymore.
620 recover_objectMappingBackup();
623 Console.debug("Finished updating from document change.");
628 private void addDocumentUpdateHandler()
630 final VamsasApplication client = this;
631 vclient.addDocumentUpdateHandler(new PropertyChangeListener()
634 public void propertyChange(PropertyChangeEvent evt)
636 Console.debug("Dealing with document update event.");
637 client.dealWithDocumentUpdate(false);
638 Console.debug("finished dealing with event.");
641 Console.debug("Added Jalview handler for vamsas document updates.");
644 private void addStoreDocumentHandler()
646 final VamsasApplication client = this;
647 vclient.addVorbaEventHandler(
648 uk.ac.vamsas.client.Events.DOCUMENT_REQUESTTOCLOSE,
649 new PropertyChangeListener()
652 public void propertyChange(PropertyChangeEvent evt)
654 if (client.promptUser)
657 "Asking user if the vamsas session should be stored.");
658 int reply = JvOptionPane.showInternalConfirmDialog(
660 "The current VAMSAS session has unsaved data - do you want to save it ?",
661 "VAMSAS Session Shutdown",
662 JvOptionPane.YES_NO_OPTION,
663 JvOptionPane.QUESTION_MESSAGE);
665 if (reply == JvOptionPane.YES_OPTION)
667 Console.debug("Prompting for vamsas store filename.");
668 Desktop.instance.vamsasSave_actionPerformed(null);
669 Console.debug("Finished attempt at storing document.");
672 "finished dealing with REQUESTTOCLOSE event.");
677 "Ignoring store document request (promptUser==false)");
681 Console.debug("Added Jalview handler for vamsas document updates.");
684 public void disableGui(boolean b)
686 // JAL-3311 TODO: remove this class!
687 // Desktop.instance.setVamsasUpdate(b);
690 Hashtable _backup_vobj2jv;
692 IdentityHashMap _backup_jv2vobj;
695 * make a backup of the object mappings (vobj2jv and jv2vobj)
697 public void backup_objectMapping()
699 _backup_vobj2jv = new Hashtable(vobj2jv);
700 _backup_jv2vobj = new IdentityHashMap(jv2vobj);
704 * recover original object mappings from the object mapping backup if document
708 * if backup_objectMapping was not called.
710 public void recover_objectMappingBackup()
712 if (_backup_vobj2jv == null)
716 // nothing to recover so just
721 "IMPLEMENTATION ERROR: Cannot recover vamsas object mappings - no backup was made");
724 Iterator el = _backup_jv2vobj.entrySet().iterator();
727 java.util.Map.Entry mp = (java.util.Map.Entry) el.next();
728 jv2vobj.put(mp.getKey(), mp.getValue());
730 el = _backup_vobj2jv.entrySet().iterator();
733 java.util.Map.Entry mp = (java.util.Map.Entry) el.next();
734 vobj2jv.put(mp.getKey(), mp.getValue());
738 private boolean joinedSession = false;
740 private VamsasListener picker = null;
742 private SelectionListener selecter;
744 private void startSession()
750 vclient.joinSession();
751 joinedSession = true;
752 } catch (Exception e)
755 Console.error("Failed to join vamsas session.", e);
760 final IPickManager pm = vclient.getPickManager();
761 final StructureSelectionManager ssm = StructureSelectionManager
762 .getStructureSelectionManager(Desktop.instance);
763 final VamsasApplication me = this;
764 pm.registerMessageHandler(new IMessageHandler()
769 public void handleMessage(Message message)
773 // we are not in a session yet.
776 if (message instanceof MouseOverMessage)
778 MouseOverMessage mm = (MouseOverMessage) message;
779 String mstring = mm.getVorbaID() + " " + mm.getPosition();
780 if (last != null && mstring.equals(last))
784 // if (Cache.isDebugEnabled())
786 // Cache.debug("Received MouseOverMessage "+mm.getVorbaID()+"
787 // "+mm.getPosition());
789 Object jvobj = vobj2jv.get(mm.getVorbaID());
790 if (jvobj != null && jvobj instanceof SequenceI)
793 // Cache.debug("Handling Mouse over "+mm.getVorbaID()+"
794 // bound to "+jvobj+" at "+mm.getPosition());
795 // position is character position in aligned sequence
796 ssm.mouseOverVamsasSequence((SequenceI) jvobj,
797 mm.getPosition(), me);
800 if (message instanceof uk.ac.vamsas.client.picking.SelectionMessage)
802 // we only care about AlignmentSequence selections
803 SelectionMessage sm = (SelectionMessage) message;
805 System.err.println("Received\n" + sm.getRawMessage());
806 Object[] jvobjs = sm.getVorbaIDs() == null ? null
807 : new Object[sm.getVorbaIDs().length];
810 // TODO: rationalise : can only clear a selection over a
811 // referred to object
812 ssm.sendSelection(null, null, null, me);
817 for (int o = 0; o < jvobjs.length; o++)
819 jvobjs[o] = vobj2jv.get(sm.getVorbaIDs()[o]);
820 if (jvobjs[o] == null)
822 // can't cope with selections for unmapped objects
827 type = jvobjs[o].getClass();
830 if (type != jvobjs[o].getClass())
833 // discard - can't cope with selections over mixed objects
837 SequenceGroup jselection = null;
838 ColumnSelection colsel = null;
839 if (type == jalview.datamodel.Alignment.class)
841 if (jvobjs.length == 1)
843 // TODO if (sm.isNone())// send a message to select the
844 // specified columns over the
851 if (type == jalview.datamodel.Sequence.class)
855 boolean aligned = ((jalview.datamodel.Sequence) jvobjs[0])
856 .getDatasetSequence() != null;
860 jselection = new SequenceGroup();
861 jselection.addSequence(
862 seq = (jalview.datamodel.Sequence) jvobjs[0],
864 maxWidth = seq.getLength();
866 for (int c = 1; aligned && jvobjs.length > 1
867 && c < jvobjs.length; c++)
869 if (((jalview.datamodel.Sequence) jvobjs[c])
870 .getDatasetSequence() == null)
877 jselection.addSequence(
878 seq = (jalview.datamodel.Sequence) jvobjs[c],
880 if (maxWidth < seq.getLength())
882 maxWidth = seq.getLength();
890 // if cardinality is greater than one then verify all
891 // sequences are alignment sequences.
892 if (jvobjs.length == 1)
894 // find all instances of this dataset sequence in the
895 // displayed alignments containing the associated range and
901 jselection.setStartRes(0);
902 jselection.setEndRes(maxWidth);
903 // locate the alignment containing the given sequences and
904 // select the associated ranges on them.
905 if (sm.getRanges() != null)
907 int[] prange = uk.ac.vamsas.objects.utils.Range
908 .getBounds(sm.getRanges());
909 jselection.setStartRes(prange[0] - 1);
910 jselection.setEndRes(prange[1] - 1);
911 prange = uk.ac.vamsas.objects.utils.Range
912 .getIntervals(sm.getRanges());
913 colsel = new ColumnSelection();
914 for (int p = 0; p < prange.length; p += 2)
916 int d = (prange[p] <= prange[p + 1]) ? 1 : -1;
917 // try to join up adjacent columns to make a larger
919 // lower and upper bounds
920 int l = (d < 0) ? 1 : 0;
921 int u = (d > 0) ? 1 : 0;
923 if (jselection.getStartRes() > 0
924 && prange[p + l] == jselection.getStartRes())
926 jselection.setStartRes(prange[p + l] - 1);
928 if (jselection.getEndRes() <= maxWidth && prange[p
929 + u] == (jselection.getEndRes() + 2))
931 jselection.setEndRes(prange[p + u] - 1);
933 // mark all the columns in the range.
934 for (int sr = prange[p], er = prange[p + 1],
935 de = er + d; sr != de; sr += d)
937 colsel.addElement(sr - 1);
946 ssm.sendSelection(jselection, colsel, null, me);
949 for (int c = 0; c < jvobjs.length; c++)
959 picker = new VamsasListener()
961 SequenceI last = null;
966 public void mouseOverSequence(SequenceI seq, int index,
973 if (seq != last || i != index)
975 VorbaId v = (VorbaId) jv2vobj.get(seq);
978 // this should really be a trace message.
979 // Cache.debug("Mouse over " + v.getId() + " bound to "
980 // + seq + " at " + index);
983 MouseOverMessage message = new MouseOverMessage(v.getId(),
985 pm.sendMessage(message);
990 selecter = new SelectionListener()
994 public void selection(SequenceGroup seqsel,
995 ColumnSelection colsel, HiddenColumns hidden,
996 SelectionSource source)
1001 "Selection listener still active for dead session.");
1002 // not in a session.
1007 AlignmentI visal = null;
1008 if (source instanceof AlignViewport)
1010 visal = ((AlignmentViewport) source).getAlignment();
1012 SelectionMessage sm = null;
1013 if ((seqsel == null || seqsel.getSize() == 0)
1014 && (colsel == null || colsel.getSelected() == null
1015 || colsel.getSelected().size() == 0))
1017 if (source instanceof AlignViewport)
1019 // the empty selection.
1020 sm = new SelectionMessage("jalview",
1022 { ((AlignmentViewport) source)
1023 .getSequenceSetId() },
1028 // the empty selection.
1029 sm = new SelectionMessage("jalview", null, null, true);
1034 String[] vobj = new String[seqsel.getSize()];
1036 for (SequenceI sel : seqsel.getSequences(null))
1038 VorbaId v = (VorbaId) jv2vobj.get(sel);
1041 vobj[o++] = v.toString();
1044 if (o < vobj.length)
1047 vobj = new String[o];
1048 System.arraycopy(t, 0, vobj, 0, o);
1052 if (seqsel != null && colsel != null)
1054 // deparse the colsel into positions on the vamsas alignment
1056 range = new Input();
1057 if (colsel.getSelected() != null
1058 && colsel.getSelected().size() > 0
1060 && seqsel.getSize() == visal.getHeight())
1062 // gather selected columns outwith the sequence positions
1064 for (Integer ival : colsel.getSelected())
1067 p.setI(ival.intValue() + 1);
1073 Iterator<int[]> intervals = hidden
1074 .getVisContigsIterator(seqsel.getStartRes(),
1075 seqsel.getEndRes() + 1, false);
1076 while (intervals.hasNext())
1078 int[] region = intervals.next();
1080 s.setStart(region[0] + 1); // vamsas indices begin at 1,
1082 s.setEnd(region[1] + 1);
1083 s.setInclusive(true);
1088 if (vobj.length > 0)
1090 sm = new SelectionMessage("jalview", vobj, range);
1099 sm.validate(); // debug
1100 Console.debug("Selection Message\n" + sm.getRawMessage());
1107 ssm.addStructureViewerListener(picker); // better method here
1108 ssm.addSelectionListener(selecter);
1109 } catch (Exception e)
1111 Console.error("Failed to init Vamsas Picking", e);
1116 public String getCurrentSession()
1118 if (vclient != null)
1120 return (vclient.getSessionUrn());