code: @Override
      public String setDatastreamState(String pid,
                                       String dsID,
                                       String dsState,
                                       String logMessage) {
          LOG.info("Executing operation setDatastreamState");
          assertInitialized();
          try {
              MessageContext ctx = context.getMessageContext();
              return DateUtility.convertDateToString(m_management
                      .setDatastreamState(ReadOnlyContext.getSoapContext(ctx),
                                          pid,
                                          dsID,
                                          dsState,
                                          logMessage));
          } catch (Throwable th) {
              LOG.error("Error setting datastream state", th);
              throw CXFUtility.getFault(th);
          }
      }
docs: /*
  (non-Javadoc)
  @see org.fcrepo.server.management.FedoraAPIMMTOM#setDatastreamState(java.
  lang.String pid ,)String dsID ,)String dsState ,)String logMessage )*