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d5ac03aae4
Right now - if there's an error during DnsWriter.publish*, all the publish from before that error will be committed, while all the publish after that error will not. More than that - in some writers partial publishes can be committed, depending on implementation. This defines a new contract that publish* are only committed when .commit is called. That way any error will simply mean no publish is committed. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=165708063
65 lines
1.9 KiB
Java
65 lines
1.9 KiB
Java
// Copyright 2017 The Nomulus 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.dns.writer;
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import static com.google.common.base.Preconditions.checkState;
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import com.google.common.base.Joiner;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.logging.Logger;
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import javax.inject.Inject;
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/**
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* {@link DnsWriter} that doesn't actually update records in a DNS server.
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*
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* <p>All this class does is write its displeasure to the logs.
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*/
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public final class VoidDnsWriter implements DnsWriter {
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/**
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* The name of the pricing engine, as used in {@code Registry.dnsWriter}. Remember to change
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* the value on affected Registry objects to prevent runtime failures.
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*/
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public static final String NAME = "VoidDnsWriter";
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private static final Logger logger = Logger.getLogger(VoidDnsWriter.class.getName());
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private boolean committed = false;
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private final Set<String> names = new HashSet<>();
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@Inject
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public VoidDnsWriter() {}
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@Override
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public void publishDomain(String domainName) {
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names.add(domainName);
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}
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@Override
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public void publishHost(String hostName) {
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names.add(hostName);
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}
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@Override
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public void commit() {
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checkState(!committed, "commit() has already been called");
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committed = true;
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logger.warning("Ignoring DNS zone updates! No DnsWriterFactory implementation specified!\n"
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+ Joiner.on('\n').join(names));
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}
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}
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