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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.
71 lines
2.8 KiB
Java
71 lines
2.8 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.poll;
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import static com.google.domain.registry.model.eppoutput.Result.Code.SuccessWithAckMessage;
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import static com.google.domain.registry.model.eppoutput.Result.Code.SuccessWithNoMessages;
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import static com.google.domain.registry.model.ofy.ObjectifyService.ofy;
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import static com.google.domain.registry.util.CollectionUtils.forceEmptyToNull;
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import com.google.domain.registry.flows.EppException;
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import com.google.domain.registry.flows.EppException.ParameterValueSyntaxErrorException;
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import com.google.domain.registry.model.eppoutput.EppOutput;
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import com.google.domain.registry.model.poll.MessageQueueInfo;
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import com.google.domain.registry.model.poll.PollMessage;
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import com.googlecode.objectify.Key;
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import java.util.List;
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/**
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* An EPP flow for requesting poll messages.
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*
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* @error {@link PollRequestFlow.UnexpectedMessageIdException}
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*/
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public class PollRequestFlow extends PollFlow {
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@Override
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public final EppOutput run() throws EppException {
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if (command.getMessageId() != null) {
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throw new UnexpectedMessageIdException();
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}
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List<Key<PollMessage>> pollMessageKeys = getMessageQueueKeysInOrder();
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// Retrieve the oldest message from the queue that still exists -- since the query is eventually
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// consistent, it may return keys to some entities that no longer exist.
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for (Key<PollMessage> key : pollMessageKeys) {
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PollMessage pollMessage = ofy().load().key(key).now();
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if (pollMessage != null) {
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return createOutput(
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SuccessWithAckMessage,
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MessageQueueInfo.create(
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pollMessage.getEventTime(),
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pollMessage.getMsg(),
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pollMessageKeys.size(),
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PollMessage.EXTERNAL_KEY_CONVERTER.convert(key)),
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forceEmptyToNull(pollMessage.getResponseData()),
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forceEmptyToNull(pollMessage.getResponseExtensions()));
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}
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}
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return createOutput(SuccessWithNoMessages);
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}
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/** Unexpected message id. */
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static class UnexpectedMessageIdException extends ParameterValueSyntaxErrorException {
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public UnexpectedMessageIdException() {
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super("Unexpected message id");
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}
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}
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}
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