/* (non-Javadoc)
  * @see org.sakaiproject.citation.impl.BaseCitationService.Storage#saveCitation(org.sakaiproject.citation.api.Citation)
  */
 public void saveCitation(Citation edit) {
   this.m_citations.put(edit.getId(), edit);
 }
 /* (non-Javadoc)
  * @see org.sakaiproject.citation.impl.BaseCitationService.Storage#addCitation(java.lang.String)
  */
 public Citation addCitation(String mediatype) {
   Citation citation = new BasicCitation(mediatype);
   this.m_citations.put(citation.getId(), citation);
   return citation;
 }
 /* (non-Javadoc)
  * @see org.sakaiproject.citation.impl.BaseCitationService.Storage#removeCitation(org.sakaiproject.citation.api.CitationEdit)
  */
 public void removeCitation(Citation edit) {
   this.m_citations.remove(edit.getId());
 }