@Override
public Void call() throws Exception {
try {
final AtomicReference<Provider<ReviewDb>> dbRef = Atomics.newReference();
RequestContext newCtx =
new RequestContext() {
@Override
public Provider<ReviewDb> getReviewDbProvider() {
Provider<ReviewDb> db = dbRef.get();
if (db == null) {
try {
db = Providers.of(schemaFactory.open());
} catch (OrmException e) {
ProvisionException pe = new ProvisionException("error opening ReviewDb");
pe.initCause(e);
throw pe;
}
dbRef.set(db);
}
return db;
}
@Override
public CurrentUser getCurrentUser() {
throw new OutOfScopeException("No user during ChangeIndexer");
}
};
RequestContext oldCtx = context.setContext(newCtx);
try {
ChangeData cd = changeDataFactory.create(newCtx.getReviewDbProvider().get(), id);
for (ChangeIndex i : getWriteIndexes()) {
i.replace(cd);
}
return null;
} finally {
context.setContext(oldCtx);
Provider<ReviewDb> db = dbRef.get();
if (db != null) {
db.get().close();
}
}
} catch (Exception e) {
log.error(String.format("Failed to index change %d", id.get()), e);
throw e;
}
}
/**
* Synchronously index a change.
*
* @param cd change to index.
*/
public void index(ChangeData cd) throws IOException {
for (ChangeIndex i : getWriteIndexes()) {
i.replace(cd);
}
}