How to use

clear

method

in

org.rhq.core.domain.util.PageList

public void setValues(ArrayList<E> values) {
  this.clear();
  this.addAll(values);
}

public PageList<Subject> findSubjectsByCriteria(Subject subject, SubjectCriteria criteria) {
  CriteriaQueryGenerator generator = new CriteriaQueryGenerator(subject, criteria);
  CriteriaQueryRunner<Subject> queryRunner = new CriteriaQueryRunner<Subject>(criteria, generator, entityManager);
  PageList<Subject> subjects = queryRunner.execute();
  boolean canViewUsers = (authorizationManager.isSystemSuperuser(subject)
    || authorizationManager.hasGlobalPermission(subject, Permission.MANAGE_SECURITY) || authorizationManager
    .hasGlobalPermission(subject, Permission.VIEW_USERS));
  if (!canViewUsers) {
    if (subjects.contains(subject)) {
      Subject attachedSubject = subjects.get(subjects.indexOf(subject));
      subjects.clear();
      subjects.add(attachedSubject);
    } else {
      subjects.clear();
    }
    subjects.setTotalSize(subjects.size());
  }
  return subjects;
}