google-nomulus/java/google/registry/flows/contact/ContactDeleteFlow.java
mcilwain aa2f283f7c Convert entire project to strict lexicographical import sort ordering
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127234970
2016-07-13 15:59:53 -04:00

89 lines
3.9 KiB
Java

// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package google.registry.flows.contact;
import static google.registry.model.EppResourceUtils.queryDomainsUsingResource;
import static google.registry.model.ofy.ObjectifyService.ofy;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.Ref;
import google.registry.config.RegistryEnvironment;
import google.registry.flows.EppException;
import google.registry.flows.ResourceAsyncDeleteFlow;
import google.registry.flows.async.AsyncFlowUtils;
import google.registry.flows.async.DeleteContactResourceAction;
import google.registry.flows.async.DeleteEppResourceAction;
import google.registry.model.contact.ContactCommand.Delete;
import google.registry.model.contact.ContactResource;
import google.registry.model.contact.ContactResource.Builder;
import google.registry.model.domain.DomainBase;
import google.registry.model.reporting.HistoryEntry;
import javax.inject.Inject;
/**
* An EPP flow that deletes a contact resource.
*
* @error {@link google.registry.flows.ResourceAsyncDeleteFlow.ResourceToDeleteIsReferencedException}
* @error {@link google.registry.flows.ResourceFlowUtils.ResourceNotOwnedException}
* @error {@link google.registry.flows.ResourceMutateFlow.ResourceToMutateDoesNotExistException}
* @error {@link google.registry.flows.SingleResourceFlow.ResourceStatusProhibitsOperationException}
*/
public class ContactDeleteFlow extends ResourceAsyncDeleteFlow<ContactResource, Builder, Delete> {
/** In {@link #isLinkedForFailfast}, check this (arbitrary) number of resources from the query. */
private static final int FAILFAST_CHECK_COUNT = 5;
@Inject ContactDeleteFlow() {}
@Override
protected boolean isLinkedForFailfast(final Ref<ContactResource> ref) {
// Query for the first few linked domains, and if found, actually load them. The query is
// eventually consistent and so might be very stale, but the direct load will not be stale,
// just non-transactional. If we find at least one actual reference then we can reliably
// fail. If we don't find any, we can't trust the query and need to do the full mapreduce.
return Iterables.any(
ofy().load().keys(
queryDomainsUsingResource(
ContactResource.class, ref, now, FAILFAST_CHECK_COUNT)).values(),
new Predicate<DomainBase>() {
@Override
public boolean apply(DomainBase domain) {
return domain.getReferencedContacts().contains(ref);
}});
}
/** Enqueues a contact resource deletion on the mapreduce queue. */
@Override
protected final void enqueueTasks() throws EppException {
AsyncFlowUtils.enqueueMapreduceAction(
DeleteContactResourceAction.class,
ImmutableMap.of(
DeleteEppResourceAction.PARAM_RESOURCE_KEY,
Key.create(existingResource).getString(),
DeleteEppResourceAction.PARAM_REQUESTING_CLIENT_ID,
getClientId(),
DeleteEppResourceAction.PARAM_IS_SUPERUSER,
Boolean.toString(isSuperuser)),
RegistryEnvironment.get().config().getAsyncDeleteFlowMapreduceDelay());
}
@Override
protected final HistoryEntry.Type getHistoryEntryType() {
return HistoryEntry.Type.CONTACT_PENDING_DELETE;
}
}