org.apache.openjpa.jdbc.meta.strats
Class NanoPrecisionTimestampVersionStrategy

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
                  org.apache.openjpa.jdbc.meta.strats.NanoPrecisionTimestampVersionStrategy

All Implemented Interfaces:

Serializable, Strategy, VersionStrategy

public class NanoPrecisionTimestampVersionStrategy
extends TimestampVersionStrategy

Uses a timestamp for optimistic versioning with nanosecond precision.

Author:

Albert Lee

See Also:

Serialized Form

Field Summary

static String

ALIAS

Fields inherited from class org.apache.openjpa.jdbc.meta.strats.AbstractVersionStrategy

vers

Constructor Summary

NanoPrecisionTimestampVersionStrategy()

Method Summary

String	getAlias() Return the alias of this strategy.
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.TimestampVersionStrategy

getBulkUpdateValues, getJavaType

Methods inherited from class org.apache.openjpa.jdbc.meta.strats.ColumnVersionStrategy

checkVersion, compare, compare, compareVersion, delete, getJavaType, insert, 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

NanoPrecisionTimestampVersionStrategy

public NanoPrecisionTimestampVersionStrategy()

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 TimestampVersionStrategy

nextVersion

protected Object nextVersion(Object version)

Description copied from class: ColumnVersionStrategy

Return the next version given the current one, which may be null.

Overrides:

nextVersion in class TimestampVersionStrategy