Examples of org.olat.group.context.BGContext

org.olat.group.context.BGContext
Description:
A business group context is a container for groups that are used together as a set. Eg. all groups of a course, or a class with some subgroups, or a Lehrgang / Studiengang. Group contexts can be attached many courses. The group context can contain only business groups of one specific business group type. Default group contexts can only be used for one resource (one association allowed). This is configured by the setDefaultContext() method.
Initial Date: Aug 18, 2004 @author gnaegi

    // 1. do copy learning group contexts
    BGContextManager contextManager = BGContextManagerImpl.getInstance();
    List origLgC = originalCourseGroupManager.getLearningGroupContexts();
    Iterator iter = origLgC.iterator();
    while (iter.hasNext()) {
      BGContext origContext = (BGContext) iter.next();
      if (origContext.isDefaultContext()) {
        // we found default context, copy this one
        String learningGroupContextName = CourseGroupManager.DEFAULT_NAME_LC_PREFIX + courseTitle;
        contextManager.copyAndAddBGContextToResource(learningGroupContextName, this.courseResource, origContext);
        // no need to add it to list of contexts, already done by copyAndAddBGContextToResource
      } else {
        // not a course default context but an associated context - copy only
        // reference
        contextManager.addBGContextToResource(origContext, courseResource);
        // no need to add it to list of contexts, already done by addBGContextToResource        
      }
    }
    // 2. do copy right group contexts
    List origRgC = originalCourseGroupManager.getRightGroupContexts();
    iter = origRgC.iterator();
    while (iter.hasNext()) {
      BGContext origContext = (BGContext) iter.next();
      if (origContext.isDefaultContext()) {
        // we found default context, copy this one
        String rightGroupContextName = CourseGroupManager.DEFAULT_NAME_RC_PREFIX + courseTitle;
        contextManager.copyAndAddBGContextToResource(rightGroupContextName, this.courseResource, origContext);
        // no need to add it to list of contexts, already done by copyAndAddBGContextToResource
      } else {

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    // contextManager.removeAllBGContextsFromResource(courseResource);


    List allContexts = contextManager.findBGContextsForResource(courseResource, true, true);
    Iterator iter = allContexts.iterator();
    while (iter.hasNext()) {
      BGContext context = (BGContext) iter.next();
      if (context.isDefaultContext()) {
        contextManager.deleteBGContext(context);
      } else {
        // not a default context, only unlink from this course
        contextManager.removeBGContextFromResource(context, courseResource);
      }

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  /**
   * @see org.olat.course.groupsandrights.CourseGroupManager#exportCourseLeaningGroups(java.io.File)
   */
  public void exportCourseLeaningGroups(File fExportDirectory) {
    BGContext context = findDefaultLearningContext();
    File fExportFile = new File(fExportDirectory, LEARNINGGROUPEXPORT_XML);
    BusinessGroupManagerImpl.getInstance().exportGroups(context, fExportFile);
  }

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  /**
   * @see org.olat.course.groupsandrights.CourseGroupManager#importCourseLearningGroups(java.io.File)
   */
  public void importCourseLearningGroups(File fImportDirectory) {
    File fGroupExportXML = new File(fImportDirectory, LEARNINGGROUPEXPORT_XML);
    BGContext context = findDefaultLearningContext();
    if (context == null) throw new AssertException(
        "Unable to find default context for imported course. Should have been created before calling importCourseLearningGroups()");
    BusinessGroupManagerImpl.getInstance().importGroups(context, fGroupExportXML);
  }

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  /**
   * @see org.olat.course.groupsandrights.CourseGroupManager#exportCourseRightGroups(java.io.File)
   */
  public void exportCourseRightGroups(File fExportDirectory) {
    BGContext context = findDefaultRightsContext();
    File fExportFile = new File(fExportDirectory, RIGHTGROUPEXPORT_XML);
    BusinessGroupManagerImpl.getInstance().exportGroups(context, fExportFile);
  }

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  /**
   * @see org.olat.course.groupsandrights.CourseGroupManager#importCourseRightGroups(java.io.File)
   */
  public void importCourseRightGroups(File fImportDirectory) {
    File fGroupExportXML = new File(fImportDirectory, RIGHTGROUPEXPORT_XML);
    BGContext context = findDefaultRightsContext();
    if (context == null) throw new AssertException(
        "Unable to find default context for imported course. Should have been created before calling importCourseLearningGroups()");
    BusinessGroupManagerImpl.getInstance().importGroups(context, fGroupExportXML);
  }

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    BusinessGroupManagerImpl.getInstance().importGroups(context, fGroupExportXML);
  }


  private BGContext findDefaultLearningContext() {
    List contexts = getLearningGroupContexts();
    BGContext context = null;
    for (Iterator iter = contexts.iterator(); iter.hasNext();) {
      context = (BGContext) iter.next();
      if (context.isDefaultContext()) break;
    }
    return context;
  }

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    return context;
  }


  private BGContext findDefaultRightsContext() {
    List contexts = getRightGroupContexts();
    BGContext context = null;
    for (Iterator iter = contexts.iterator(); iter.hasNext();) {
      context = (BGContext) iter.next();
      if (context.isDefaultContext()) break;
    }
    return context;
  }

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  public List getWaitingListGroupsFromAllContexts(Identity identity) {
    List allGroups = new ArrayList();
    BusinessGroupManager groupManager = BusinessGroupManagerImpl.getInstance();
    Iterator iterator = learningGroupContexts.iterator();
    while (iterator.hasNext()) {
      BGContext bgContext = (BGContext) iterator.next();
      List contextGroups = groupManager.findBusinessGroupsWithWaitingListAttendedBy(bgContext.getGroupType(), identity, bgContext);
      allGroups.addAll(contextGroups);
    }
    return allGroups;
  }

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   * @param exportDirectory  Archive files will be created in this dir.
   */
  private void archiveAllContextFor(List contextList, String fileName, File exportDirectory) {
    int contextCounter = 1;
    for (Iterator iter = contextList.iterator(); iter.hasNext();) {
      BGContext context = (BGContext) iter.next();
      if (context.isDefaultContext()) {
        BusinessGroupManagerImpl.getInstance().archiveGroups(context, new File(exportDirectory, "default_" + fileName));
      } else {
        BusinessGroupManagerImpl.getInstance().archiveGroups(context, new File(exportDirectory, "context_" + contextCounter + "_" + fileName));
        contextCounter++;
      }

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