TimestampVersionStrategy (OpenJPA Parent POM 4.1.1 API)

java.lang.Object
- org.apache.openjpa.jdbc.meta.strats.AbstractStrategy
- - org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy
  - - org.apache.openjpa.jdbc.meta.strats.ColumnVersionStrategy
    - - org.apache.openjpa.jdbc.meta.strats.TimestampVersionStrategy

All Implemented Interfaces:

Serializable, Strategy, VersionStrategy

Direct Known Subclasses:

NanoPrecisionTimestampVersionStrategy
```
public class TimestampVersionStrategy
extends ColumnVersionStrategy
```
Uses a timestamp for optimistic versioning.

Author:

Abe White

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static String ALIAS
- Fields inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy
  vers

Constructor Summary

Constructors
Constructor Description

TimestampVersionStrategy()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getAlias()`	Return the alias of this strategy.
`Map`	`getBulkUpdateValues()`
`protected int`	`getJavaType()`	Return the code from `JavaTypes` for the version values this strategy uses.
`protected Object`	`nextVersion(Object version)`	Return the next version given the current one, which may be null.

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.ColumnVersionStrategy
checkVersion, compare, compare, compareVersion, delete, getJavaType, insert, load, load, map, select, update

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy
afterLoad, setVersion

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractStrategy
customDelete, customInsert, customUpdate, initialize, isCustomDelete, isCustomInsert, isCustomUpdate

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

Methods inherited from interface org.apache.openjpa.jdbc.meta.Strategy
customDelete, customInsert, customUpdate, initialize, isCustomDelete, isCustomInsert, isCustomUpdate

- Field Detail
  - ALIAS
```
public static final String ALIAS
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - TimestampVersionStrategy
```
public TimestampVersionStrategy()
```
- Method Detail
  - getAlias
```
public String getAlias()
```
    Description copied from interface: Strategy
    
    Return the alias of this strategy. For custom strategies, return the full class name.
    
    Specified by:
    
    getAlias in interface Strategy
    
    Overrides:
    
    getAlias in class AbstractStrategy
  - getJavaType
```
protected int getJavaType()
```
    Description copied from class: ColumnVersionStrategy
    
    Return the code from JavaTypes for the version values this strategy uses. This method is only used during mapping installation.
    
    Specified by:
    
    getJavaType in class ColumnVersionStrategy
  - nextVersion
```
protected Object nextVersion(Object version)
```
    Description copied from class: ColumnVersionStrategy
    
    Return the next version given the current one, which may be null.
    
    Specified by:
    
    nextVersion in class ColumnVersionStrategy
  - getBulkUpdateValues
```
public Map getBulkUpdateValues()
```
    Specified by:
    
    getBulkUpdateValues in interface VersionStrategy
    
    Overrides:
    
    getBulkUpdateValues in class AbstractVersionStrategy
    
    Returns:
    
    a Map specifying how to update each version column during a bulk update.