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9a2afc7a9b
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
84 lines
2.9 KiB
Java
84 lines
2.9 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 google.registry.flows.async;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import com.googlecode.objectify.Ref;
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import google.registry.dns.DnsQueue;
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import google.registry.model.domain.DomainBase;
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import google.registry.model.host.HostResource;
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import google.registry.model.reporting.HistoryEntry;
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import google.registry.model.reporting.HistoryEntry.Type;
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import google.registry.request.Action;
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import org.joda.time.DateTime;
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import javax.inject.Inject;
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/**
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* A mapreduce to delete the specified HostResource, but ONLY if it is not referred to by any
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* existing DomainBase entity.
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*/
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@Action(path = "/_dr/task/deleteHostResource")
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public class DeleteHostResourceAction extends DeleteEppResourceAction<HostResource> {
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@Inject
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public DeleteHostResourceAction() {
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super(
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new DeleteHostResourceMapper(),
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new DeleteHostResourceReducer());
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}
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/** An async deletion mapper for {@link HostResource}. */
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public static class DeleteHostResourceMapper extends DeleteEppResourceMapper<HostResource> {
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private static final long serialVersionUID = 1941092742903217194L;
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@Override
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protected boolean isLinked(DomainBase domain, Ref<HostResource> targetResourceRef) {
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return domain.getNameservers().contains(targetResourceRef);
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}
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}
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/** An async deletion reducer for {@link HostResource}. */
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public static class DeleteHostResourceReducer extends DeleteEppResourceReducer<HostResource> {
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private static final long serialVersionUID = 555457935288867324L;
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@Override
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protected Type getHistoryType(boolean successfulDelete) {
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return successfulDelete
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? HistoryEntry.Type.HOST_DELETE
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: HistoryEntry.Type.HOST_DELETE_FAILURE;
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}
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@Override
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protected void performDeleteTasks(
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HostResource targetResource,
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HostResource deletedResource,
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DateTime deletionTime,
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HistoryEntry historyEntryForDelete) {
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if (targetResource.getSuperordinateDomain() != null) {
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DnsQueue.create().addHostRefreshTask(targetResource.getFullyQualifiedHostName());
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ofy().save().entity(
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targetResource.getSuperordinateDomain().get().asBuilder()
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.removeSubordinateHost(targetResource.getFullyQualifiedHostName())
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.build());
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}
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}
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}
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}
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