QueryKeyReference (EclipseLink Core 3.0.4-RC1 API)

java.lang.Object
- org.eclipse.persistence.mappings.Association
- - org.eclipse.persistence.internal.descriptors.QueryKeyReference

All Implemented Interfaces:

Map.Entry
```
public class QueryKeyReference
extends Association
```
Purpose: Used to define variable 1-1 mapping query key field references. This is used for the deployment XML mapping.

Since:

OracleAS TopLink 10g (10.0.3)

Author:

James Sutherland

- Field Summary
  - Fields inherited from class org.eclipse.persistence.mappings.Association
    key, value
- Constructor Summary
  
  Constructors
  Constructor Description
  
  QueryKeyReference()
  Default constructor.
  
  QueryKeyReference(DatabaseField field, String queryKey)
  Create an association.
- Method Summary
  - Methods inherited from class org.eclipse.persistence.mappings.Association
    getKey, getValue, setKey, setValue
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.Map.Entry
    equals, hashCode

Constructor Detail

QueryKeyReference
```
public QueryKeyReference()
```
Default constructor.

QueryKeyReference

public QueryKeyReference(DatabaseField field,
                         String queryKey)

Create an association.