EDMRow

Owned by Former user (Deleted)

Feb 25, 2019

2 min read

edm.edom3

Interface EDMRow

All Superinterfaces:EDMContextDependent, EDMData, EDMInstance
```
public interface EDMRow
extends EDMInstance
```
This interface represents an instance related to a QueryResult or a set of properties. It can be a partial instance or full instance related to a real DBinstance, a view entity or a pure in-memory instance. It must be explicit written back.

Method Summary

All Methods Instance Methods Abstract Methods

Modifier and Type	Method and Description
`void`	`flush(java.lang.String[] attrNames, EDMSelect[] values)` Flush memory buffered attrs to DB.
`java.lang.String[]`	`getAllAttrNames()` Retrieve all attribute names for this row-instance
`EDMSelect[]`	`refresh(java.lang.String[] attrNames)` Read attribute values from database.

Methods inherited from interface edm.edom3.EDMInstance
create, createAggrAttrBN, delete, getAccessManager, getAttrBN, getAttrsBN, getInstanceReferences, getInstanceType, isInstanceOf, isKindOf, putAttrBN, putAttrsBN, putProtectedAttrBN, setAttrBN, setAttrBN, setAttrBN, setAttrBN, setAttrBN, testAttrBN, testAttrsBN

Methods inherited from interface edm.edom3.EDMData
exists, getInstanceId, getName, getOwner, isLocal, isRemote

Methods inherited from interface edm.edom3.EDMContextDependent
getContext

- Method Detail
  - getAllAttrNames
```
java.lang.String[] getAllAttrNames()
                            throws EdmiException
```
    Retrieve all attribute names for this row-instance
    Returns:the attribute valueThrows:EdmiException - if the method fails
  - refresh
```
EDMSelect[] refresh(java.lang.String[] attrNames)
             throws EdmiException
```
    Read attribute values from database. Only possible for images of persistent instances.
    Parameters:attrNames - attributes to readReturns:the updated valuesThrows:EdmiException - if the method fails
  - flush
```
void flush(java.lang.String[] attrNames,
           EDMSelect[] values)
    throws EdmiException
```
    Flush memory buffered attrs to DB. This method is overridden in generated / EB classes to adapt to actual implementation, fx update with a query.
    Parameters:attrNames - optional name list,if null all are written.values - values to write, if null use memory stored values, if not null then memory buffer is updated as well throws EdmiException if the method failsThrows:EdmiException - if the method fails