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5012893c1d
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.
87 lines
4 KiB
Java
87 lines
4 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.domain.registry.flows.host;
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import static com.google.domain.registry.model.EppResourceUtils.queryDomainsUsingResource;
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import static com.google.domain.registry.model.ofy.ObjectifyService.ofy;
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import com.google.common.base.Predicate;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.Iterables;
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import com.google.domain.registry.config.RegistryEnvironment;
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import com.google.domain.registry.flows.EppException;
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import com.google.domain.registry.flows.ResourceAsyncDeleteFlow;
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import com.google.domain.registry.flows.async.AsyncFlowUtils;
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import com.google.domain.registry.flows.async.DeleteEppResourceAction;
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import com.google.domain.registry.flows.async.DeleteHostResourceAction;
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import com.google.domain.registry.model.domain.DomainBase;
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import com.google.domain.registry.model.domain.ReferenceUnion;
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import com.google.domain.registry.model.host.HostCommand.Delete;
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import com.google.domain.registry.model.host.HostResource;
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import com.google.domain.registry.model.host.HostResource.Builder;
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import com.google.domain.registry.model.reporting.HistoryEntry;
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import com.googlecode.objectify.Key;
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/**
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* An EPP flow that deletes a host resource.
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*
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* @error {@link com.google.domain.registry.flows.ResourceAsyncDeleteFlow.ResourceToDeleteIsReferencedException}
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* @error {@link com.google.domain.registry.flows.ResourceFlowUtils.ResourceNotOwnedException}
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* @error {@link com.google.domain.registry.flows.ResourceMutateFlow.ResourceToMutateDoesNotExistException}
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* @error {@link com.google.domain.registry.flows.SingleResourceFlow.ResourceStatusProhibitsOperationException}
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*/
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public class HostDeleteFlow extends ResourceAsyncDeleteFlow<HostResource, Builder, Delete> {
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/** In {@link #isLinkedForFailfast}, check this (arbitrary) number of resources from the query. */
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private static final int FAILFAST_CHECK_COUNT = 5;
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@Override
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protected boolean isLinkedForFailfast(final ReferenceUnion<HostResource> ref) {
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// Query for the first few linked domains, and if found, actually load them. The query is
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// eventually consistent and so might be very stale, but the direct load will not be stale,
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// just non-transactional. If we find at least one actual reference then we can reliably
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// fail. If we don't find any, we can't trust the query and need to do the full mapreduce.
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return Iterables.any(
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ofy().load().keys(
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queryDomainsUsingResource(
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HostResource.class, ref.getLinked(), now, FAILFAST_CHECK_COUNT)).values(),
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new Predicate<DomainBase>() {
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@Override
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public boolean apply(DomainBase domain) {
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return domain.getNameservers().contains(ref);
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}});
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}
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/** Enqueues a host resource deletion on the mapreduce queue. */
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@Override
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protected final void enqueueTasks() throws EppException {
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AsyncFlowUtils.enqueueMapreduceAction(
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DeleteHostResourceAction.class,
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ImmutableMap.of(
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DeleteEppResourceAction.PARAM_RESOURCE_KEY,
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Key.create(existingResource).getString(),
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DeleteEppResourceAction.PARAM_REQUESTING_CLIENT_ID,
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getClientId(),
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DeleteEppResourceAction.PARAM_IS_SUPERUSER,
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Boolean.toString(superuser)),
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RegistryEnvironment.get().config().getAsyncDeleteFlowMapreduceDelay());
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}
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@Override
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protected final HistoryEntry.Type getHistoryEntryType() {
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return HistoryEntry.Type.HOST_PENDING_DELETE;
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}
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}
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