PersistableRelationStore (DataNucleus Core 5.2.8 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(ObjectProvider op1, ObjectProvider op2)`	Method to add the relation between the provided objects.
`boolean`	`remove(ObjectProvider op1)`	Method to remove the relation from the provided object.
`boolean`	`update(ObjectProvider op1, ObjectProvider op2)`	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(ObjectProvider op1,
            ObjectProvider op2)
```
    Method to add the relation between the provided objects.
    
    Parameters:
    
    op1 - Object 1 provider
    
    op2 - Object 2 provider
    
    Returns:
    
    Whether the relation was added
  - remove
```
boolean remove(ObjectProvider op1)
```
    Method to remove the relation from the provided object.
    
    Parameters:
    
    op1 - Object 1 provider
    
    Returns:
    
    Whether the relation was removed
  - update
```
boolean update(ObjectProvider op1,
               ObjectProvider op2)
```
    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:
    
    op1 - Object 1 provider
    
    op2 - Object 2 provider
    
    Returns:
    
    Whether the relation was replaced