google-nomulus/java/google/registry/dns/writer/DnsWriter.java
mcilwain cdadb54acd Refer to Datastore everywhere correctly by its capitalized form
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=147479683
2017-02-17 12:12:12 -05:00

56 lines
2.3 KiB
Java

// Copyright 2017 The Nomulus 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.dns.writer;
/**
* Transaction object for sending an atomic batch of updates for a single zone to the DNS server.
*
* <p>Here's an example of how you would publish updates for a domain and host:
* <pre>
* &#064;Inject Provider&lt;DnsWriter&gt; dnsWriter;
* try (DnsWriter writer = dnsWriter.get()) {
* writer.publishDomain(domainName);
* writer.publishHost(hostName);
* }
* </pre>
*/
public interface DnsWriter extends AutoCloseable {
/**
* Loads {@code domainName} from Datastore and publishes its NS/DS records to the DNS server.
* Replaces existing records for the exact name supplied with an NS record for each name server
* and a DS record for each delegation signer stored in the registry for the supplied domain name.
* If the domain is deleted or is in a "non-publish" state then any existing records are deleted.
*
* @param domainName the fully qualified domain name, with no trailing dot
*/
void publishDomain(String domainName);
/**
* Loads {@code hostName} from Datastore and publishes its A/AAAA glue records to the DNS server,
* if it is used as an in-bailiwick nameserver. Orphaned glue records are prohibited. Replaces
* existing records for the exact name supplied, with an A or AAAA record (as appropriate) for
* each address stored in the registry, for the supplied host name. If the host is deleted then
* the existing records are deleted. Assumes that this method will only be called for in-bailiwick
* hosts. The registry does not have addresses for other hosts.
*
* @param hostName the fully qualified host name, with no trailing dot
*/
void publishHost(String hostName);
/** Commits the updates to the DNS server atomically. */
@Override
void close();
}