/**
* Generate the next increment in the optimistic locking value according the {@link VersionType}
* contract for the version property.
*
* @param version The current version
* @param versionType The version type
* @param session The originating session
* @return The incremented optimistic locking value.
*/
@SuppressWarnings("unchecked")
public static Object increment(
Object version, VersionType versionType, SharedSessionContractImplementor session) {
final Object next = versionType.next(version, session);
if (LOG.isTraceEnabled()) {
LOG.tracef(
"Incrementing: %s to %s",
versionType.toLoggableString(version, session.getFactory()),
versionType.toLoggableString(next, session.getFactory()));
}
return next;
}
/**
* Build a loggable representation of the paths tracked here at the moment.
*
* @param session The session (used to resolve entity names)
* @return The loggable representation
*/
public String toLoggableString(SharedSessionContractImplementor session) {
final StringBuilder sb = new StringBuilder(getClass().getSimpleName()).append('[');
if (propertyPathsByTransientEntity != null) {
for (Map.Entry<Object, Set<String>> entry : propertyPathsByTransientEntity.entrySet()) {
sb.append("transientEntityName=").append(session.bestGuessEntityName(entry.getKey()));
sb.append(" requiredBy=").append(entry.getValue());
}
}
sb.append(']');
return sb.toString();
}
@Override
public void lock(
Serializable id,
Object version,
Object object,
int timeout,
SharedSessionContractImplementor session) {
if (!lockable.isVersioned()) {
throw new HibernateException(
"["
+ lockMode
+ "] not supported for non-versioned entities ["
+ lockable.getEntityName()
+ "]");
}
final EntityEntry entry = session.getPersistenceContext().getEntry(object);
// Register the EntityIncrementVersionProcess action to run just prior to transaction commit.
((EventSource) session)
.getActionQueue()
.registerProcess(new EntityIncrementVersionProcess(object, entry));
}
