ReferenceChangeTracker (Apache Jackrabbit 2.21.26-beta API)

java.lang.Object
- org.apache.jackrabbit.jcr2spi.util.ReferenceChangeTracker

```
public class ReferenceChangeTracker
extends Object
```
Simple helper class that can be used to keep track of uuid mappings (e.g. if the uuid of an imported or copied node is mapped to a new uuid) and processed (e.g. imported or copied) reference properties that might need correcting depending on the uuid mappings.

Constructor Summary

Constructors
Constructor Description

ReferenceChangeTracker()
Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clear()`	Resets all internal state.
`QValue`	`getMappedReference(QValue oldReference, QValueFactory factory)`	Returns the new UUID to which `oldUUID` has been mapped or `null` if no such mapping exists.
`Iterator<PropertyState>`	`getReferences()`
`void`	`mappedUUIDs(String oldUUID, String newUUID)`	Store the given uuid mapping for later lookup using `#adjustReferences(UpdatableItemStateManager, ItemStateValidator)`.
`void`	`processedReference(PropertyState refPropertyState)`	Store the given reference property for later resolution.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ReferenceChangeTracker
```
public ReferenceChangeTracker()
```
    Creates a new instance.
- Method Detail
  - clear
```
public void clear()
```
    Resets all internal state.
  - mappedUUIDs
```
public void mappedUUIDs(String oldUUID,
                        String newUUID)
```
    Store the given uuid mapping for later lookup using #adjustReferences(UpdatableItemStateManager, ItemStateValidator).
    
    Parameters:
    
    oldUUID -
    
    newUUID -
  - getMappedReference
```
public QValue getMappedReference(QValue oldReference,
                                 QValueFactory factory)
```
    Returns the new UUID to which oldUUID has been mapped or null if no such mapping exists.
    
    Parameters:
    
    oldReference - old uuid represented by the given QValue.
    
    factory -
    
    Returns:
    
    mapped new QValue of the reference value or null if no such mapping exists
    
    See Also:
    
    mappedUUIDs(String,String)
  - processedReference
```
public void processedReference(PropertyState refPropertyState)
```
    Store the given reference property for later resolution.
    
    Parameters:
    
    refPropertyState - reference property state
  - getReferences
```
public Iterator<PropertyState> getReferences()
```