logDebug( "Cannot find last explicit diagnosis."
if ( _logger.isDebugEnabled() ) _logger.debug( "Cannot find last explicit diagnosis."
    ImplicitDiagnosisTrigger createImplictDiagnosis( String sensor_name,                                                      long time )            throws BelievabilityException    {        BelievabilityDiagnosis last_diag                = (BelievabilityDiagnosis)                 _last_explicit_diagnosis.get( sensor_name );        if ( last_diag == null )        {            logDebug( "Cannot find last explicit diagnosis."                      + "No implicit diagnosis for :" + _asset_id );            return null;        }        // Try to make as close a copy as we can to the original        // diagnosis, only with a different time.        //        return new ImplicitDiagnosisTrigger( _asset_id,                                             last_diag.getSensorName(),                                             last_diag.getSensorValue(),                                             last_diag.getStateDimensionName(),                                             time );    } // method createImplictDiagnosis