IdUpgrader (InterMine 5.0.0 API)

All Known Implementing Classes:

PkQueryIdUpgrader
```
public interface IdUpgrader
```
Bag object id upgrader - find old objects in a new ObjectStore.

Author:

Kim Rutherford

Field Summary

Fields
Modifier and Type Field Description

static IdUpgrader ERROR_UPGRADER
An upgrader that always fails.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`doUpgrade()`	Return true if upgrade should be performed
`java.util.Set<java.lang.Integer>`	`getNewIds(InterMineObject oldObject, ObjectStore os)`	For the given object from an old ObjectStore, find the corresponding InterMineObjects in a new ObjectStore.

- Field Detail
  - ERROR_UPGRADER
```
static final IdUpgrader ERROR_UPGRADER
```
    An upgrader that always fails. For use when upgrading shouldn't be happening.
- Method Detail
  - getNewIds
```
java.util.Set<java.lang.Integer> getNewIds(InterMineObject oldObject,
                                           ObjectStore os)
```
    For the given object from an old ObjectStore, find the corresponding InterMineObjects in a new ObjectStore. Primary keys are used to find the objects.
    
    Parameters:
    
    oldObject - the template object
    
    os - ObjectStore used to resolve objects
    
    Returns:
    
    the set of new InterMineObjects
  - doUpgrade
```
boolean doUpgrade()
```
    Return true if upgrade should be performed
    
    Returns:
    
    true if upgrade should be performed