Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. The following is a list of qualities that may be returned or set on a ValueObject <code java> /** Impossible quality caused by a connector loop (connector will be disabled) */ static public final int QUALITY_IMPOSSIBLE = -1; /** The best data quality. */ static public final int QUALITY_GOOD = 0; static public final int QUALITY_PROPERTYONLY = 300;//used in PropetyValueObject static public final int QUALITY_WARNING = 1000; //used only in ActiveBeanDelegate static public final int QUALITY_EGU_EXCEEDED = 1002;//used in OPC /** This is used when an active control has not "settled" on a value */ static public final int QUALITY_TRANSITIONAL = 1003; //used in Slider and Knob /** When writing to some servers (notably PLCs) the value will be returned with this quality. It is * an indicator that the value has been received by the server, but confirmation that it has been correctly * (or incorrectly) written to the real device has not been received. The situation should resolve somewhat * rapidly moving to another quality (eg GOOD). */ static public final int QUALITY_WRITE_IN_PROGRESS = 1004;//used in init of ActiveBeanDelegate /** This is a quality that is between good and bad, but still defined as unknown. */ static public final int QUALITY_UNKNOWN = 1500; //used nowhere /** This value is sent as the server is removing a listener. */ static public final int QUALITY_LAST_USABLE = 1600; //used in PLC and OPC and SimpleDataSource /** This is used for any control or data source that has a problem, * or when a server just starts up and the data value has not yet been initialized. */ static public final int QUALITY_BAD = 2000; static public final int QUALITY_DEVICE_FAILURE = 2001;//used in Modbus and OPC /** This may be used for servers that connect to devices and the connection is lost. */ static public final int QUALITY_COMM_FAILURE = 2002;//used in Modbus and OPC static public final int QUALITY_OUT_OF_SERVICE = 2003;//used in OPC static public final int QUALITY_EVALUATION_EXPIRED = 2004;//used when an evaluation is finished static public final int QUALITY_REMOTE_PROXY_INIT = 2100;//used in Trending /** The worst (highest number) quality. This is used for testing mainly, * or can be used to ensure all qualities are passed. */ static public final int QUALITY_WORST = 99999; /** Widely used. This is the quality assigned to the value associated with any graphic when the value object/graphic * is first created. A value with quality QUALITY_INITIAL will never be passed through a connector. */ static public final int QUALITY_INITIAL = 2200; /** When a Connector is removed from a graphic, or some fundamental change occurs that causes the existing * value to be invalid then the quality is changed to SOURCE_REMOVED. */ static public final int QUALITY_SOURCE_REMOVED = 2210; /** Indicate the that data is not real data, but simulated. */ public static final int QUALITY_SIMULATED = 1010; </code> valueobject_qualities.txt Last modified: 2020/05/14 18:43by wikiadmin