This is the second phase of a three phase migration to remove
ReferenceUnions. As of the end of this phase, ReferenceUnions are no longer read
from in any active code paths, but are still written to in case a rollback to
the previous version is necessary. The third and final phase will remove the
ReferenceUnions entirely.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=136388057
It is important to get at least this one commit in before the public Nomulus
release so that none of our public users will have to go through this data
migration (although we will have to).
The migration strategy is as follows:
1. Dual-write to non-ReferenceUnion fields in addition to the current
ReferenceUnion fields in use, and add new indexes (this commit). Deploy.
2. Run the ResaveAllEppResourcesAction backfill [].
3. Switch all code over to using the new fields. Dual-write is still in effect,
except it is now copying over the values of the new fields to the old
fields. Switch over all BigQuery reporting scripts to use the new
fields. Deploy.
4. Remove all of the old code and indexes. Deploy.
5. (Optional, at our leisure) Re-run the ResaveAllEppResourcesAction backfill
[] to delete the old obsolete fields.
Note that this migration strategy is rollback-safe at every step -- new data is
not read until it has already been written out in the previous step, and old
data is not removed immediately following a step in which it was still being
read, so the previous step is safe to roll back to.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=136196988
There was a circular reference when hydrating a domain with a
subordinate host, since the host references the domain. To fix
this, I redid @DoNotHydrate to be the way it should have been,
rather than the hack I had originally submitted. I also beefed
up the unit tests of the epp resource types to check for cycles.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135792416
It is replaced by loadByForeignKey(), which does the same thing that
loadByUniqueId() did for contacts, hosts, and domains, and also
loadDomainApplication(), which loads domain application by ROID. This eliminates
the ugly mode-switching of attemping to load by other foreign key or ROID.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133980156
This change replaces all Ref objects in the code with Key objects. These are
stored in datastore as the same object (raw datastore keys), so this is not
a model change.
Our best practices doc says to use Keys not Refs because:
* The .get() method obscures what's actually going on
- Much harder to visually audit the code for datastore loads
- Hard to distinguish Ref<T> get()'s from Optional get()'s and Supplier get()'s
* Implicit ofy().load() offers much less control
- Antipattern for ultimate goal of making Ofy injectable
- Can't control cache use or batch loading without making ofy() explicit anyway
* Serialization behavior is surprising and could be quite dangerous/incorrect
- Can lead to serialization errors. If it actually worked "as intended",
it would lead to a Ref<> on a serialized object being replaced upon
deserialization with a stale copy of the old value, which could potentially
break all kinds of transactional expectations
* Having both Ref<T> and Key<T> introduces extra boilerplate everywhere
- E.g. helper methods all need to have Ref and Key overloads, or you need to
call .key() to get the Key<T> for every Ref<T> you want to pass in
- Creating a Ref<T> is more cumbersome, since it doesn't have all the create()
overloads that Key<T> has, only create(Key<T>) and create(Entity) - no way to
create directly from kind+ID/name, raw Key, websafe key string, etc.
(Note that Refs are treated specially by Objectify's @Load method and Keys are not;
we don't use that feature, but it is the one advantage Refs have over Keys.)
The direct impetus for this change is that I am trying to audit our use of memcache,
and the implicit .get() calls to datastore were making that very hard.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=131965491
ReferenceUnion is a hack to work around the mismatch between how
we store references (by roid) and how they are represented in EPP
(by foreign key). If it ever needed to exist (not entirely clear...)
it should have remained tightly scoped within the domain commands
and resources. Instead it has leaked everywhere in the project,
causing lots of boilerplate. This CL hides all of that behind
standard Refs, and should be followed by work to remove ReferenceUnion
completely.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122424416
The dark lord Gosling designed the Java package naming system so that
ownership flows from the DNS system. Since we own the domain name
registry.google, it seems only appropriate that we should use
google.registry as our package name.
This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.
2016-05-13 18:55:08 -04:00
Renamed from javatests/com/google/domain/registry/model/domain/DomainApplicationTest.java (Browse further)
