code: public void clearAndCancelActivationGroup(final String name) {
          final InternalActivationGroup activationGroup = this.activationGroups.get( name );
          if ( activationGroup != null ) {
              clearAndCancelActivationGroup( activationGroup );
          }
      }
docs: /*
  (non-Javadoc)
  
  @see org.kie.common.AgendaI#clearActivationGroup(java.lang.String)