CommitOrderType (EclipseLink Core 3.0.3-RC2 API)

java.lang.Object
- org.eclipse.persistence.config.CommitOrderType

```
public class CommitOrderType
extends Object
```
Commit order type persistence property values.
JPA persistence property Usage:
properties.add(PersistenceUnitProperties.PERSISTENCE_CONTEXT_COMMIT_ORDER, CommitOrderType.Changes);
Property values are case-insensitive. Defines the ordering of updates and deletes of a set of the same entity type during a commit or flush operation. The commit order of entities is defined by their foreign key constraints, and then sorted alphabetically.\
By default the commit of a set of the same entity type is not ordered.
Entity type commit order can be modified using a DescriptorCustomizer and the ClassDescriptor.addConstraintDependency() API. Commit order can also be controlled using the EntityManager.flush() API.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`Changes`	Updates are ordered by the object's changes, then by id.
`static String`	`DEFAULT`
`static String`	`Id`	Updates and deletes are ordered by the object's id.
`static String`	`None`	No ordering is done.

Constructor Summary

Constructors
Constructor Description

CommitOrderType()

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

- Field Detail
  - Id
```
public static final String Id
```
    Updates and deletes are ordered by the object's id. This can help avoid deadlocks on highly concurrent systems.
    
    See Also:
    
    Constant Field Values
  - Changes
```
public static final String Changes
```
    Updates are ordered by the object's changes, then by id. This can improve batch writing efficiency.
    
    See Also:
    
    Constant Field Values
  - None
```
public static final String None
```
    No ordering is done.
    
    See Also:
    
    Constant Field Values
  - DEFAULT
```
public static final String DEFAULT
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - CommitOrderType
```
public CommitOrderType()
```