PersistableRelationStore (DataNucleus Core 6.0.1-SNAPSHOT API)

All Superinterfaces:

Store
```
public interface PersistableRelationStore
extends Store
```
Representation of the relation between two persistable objects. Provides the connectivity to the datastore allowing the relation to be managed separately. In an RDBMS sense, this is for an N-1 unidirectional join table relation, and represents the join table entry.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`add(DNStateManager sm1, DNStateManager sm2)`	Method to add the relation between the provided objects.
`boolean`	`remove(DNStateManager sm1)`	Method to remove the relation from the provided object.
`boolean`	`update(DNStateManager sm1, DNStateManager sm2)`	Method to update the relation for the first object to relate to the second object.

Methods inherited from interface org.datanucleus.store.types.scostore.Store
getOwnerMemberMetaData, getStoreManager

- Method Detail
  - add
```
boolean add(DNStateManager sm1,
            DNStateManager sm2)
```
    Method to add the relation between the provided objects.
    
    Parameters:
    
    sm1 - Object 1 StateManager
    
    sm2 - Object 2 StateManager
    
    Returns:
    
    Whether the relation was added
  - remove
```
boolean remove(DNStateManager sm1)
```
    Method to remove the relation from the provided object.
    
    Parameters:
    
    sm1 - Object 1 StateManager
    
    Returns:
    
    Whether the relation was removed
  - update
```
boolean update(DNStateManager sm1,
               DNStateManager sm2)
```
    Method to update the relation for the first object to relate to the second object. This removes any previous relation from this object and replaces it with the new relation.
    
    Parameters:
    
    sm1 - Object 1 StateManager
    
    sm2 - Object 2 StateManager
    
    Returns:
    
    Whether the relation was replaced