Package software.xdev.spring.data.eclipse.store.repository.support.copier.version

Class VersionManager<T>

java.lang.Object

software.xdev.spring.data.eclipse.store.repository.support.copier.version.VersionManager<T>

Type Parameters:

T - type of entity

public class VersionManager<T>
extends Object

Manages the versions of one type of entity

Constructor Summary

Constructors

Constructor	Description
VersionManager(Class<T> entityClass, EntityVersionIncrementer<T> entityVersionIncrementer)

Method Summary

Modifier and Type	Method	Description
void	ensureSameVersion(T workingCopy, T original)	Checks if the two entities are valid for merge.
void	incrementVersion(T entity)	Increments the version of given entity

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

VersionManager

public VersionManager(Class<T> entityClass,
 EntityVersionIncrementer<T> entityVersionIncrementer)

Method Details

incrementVersion

public void incrementVersion(T entity)

Increments the version of given entity

Parameters:

entity - to increment the version in

ensureSameVersion

public void ensureSameVersion(T workingCopy,
 T original)

Checks if the two entities are valid for merge. If they have the same version, everything is ok. But if the workingCopy-version is null or different from the original-version, an Exception is thrown.