| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| #ifndef PULSAR_CPP_LOOKUPSERVICE_H |
| #define PULSAR_CPP_LOOKUPSERVICE_H |
| |
| #include <pulsar/Result.h> |
| #include <pulsar/Schema.h> |
| |
| #include <memory> |
| #include <ostream> |
| #include <vector> |
| |
| #include "Future.h" |
| #include "LookupDataResult.h" |
| #include "ProtoApiEnums.h" |
| |
| namespace pulsar { |
| using NamespaceTopicsPtr = std::shared_ptr<std::vector<std::string>>; |
| class TopicName; |
| using TopicNamePtr = std::shared_ptr<TopicName>; |
| class NamespaceName; |
| using NamespaceNamePtr = std::shared_ptr<NamespaceName>; |
| |
| class LookupService { |
| public: |
| struct LookupResult { |
| std::string logicalAddress; |
| std::string physicalAddress; |
| |
| friend std::ostream& operator<<(std::ostream& os, const LookupResult& lookupResult) { |
| return os << "logical address: " << lookupResult.logicalAddress |
| << ", physical address: " << lookupResult.physicalAddress; |
| } |
| }; |
| using LookupResultFuture = Future<Result, LookupResult>; |
| using LookupResultPromise = Promise<Result, LookupResult>; |
| |
| /** |
| * Call broker lookup-api to get broker which serves namespace bundle that contains the given topic. |
| * |
| * @param topicName the topic name |
| * @return a pair of addresses, representing the logical and physical addresses of the broker that serves |
| * the topic |
| */ |
| virtual LookupResultFuture getBroker(const TopicName& topicName) = 0; |
| |
| /* |
| * @param topicName - pointer to topic name |
| * |
| * Gets Partition metadata |
| */ |
| virtual Future<Result, LookupDataResultPtr> getPartitionMetadataAsync(const TopicNamePtr& topicName) = 0; |
| |
| /** |
| * @param namespace - namespace-name |
| * |
| * Returns all the topics name for a given namespace. |
| */ |
| virtual Future<Result, NamespaceTopicsPtr> getTopicsOfNamespaceAsync( |
| const NamespaceNamePtr& nsName, CommandGetTopicsOfNamespace_Mode mode) = 0; |
| |
| /** |
| * Get the SchemaInfo for a given topic and a specific schema version. |
| * |
| * @param topicName topic-name |
| * @param version the schema version byte array, if it's empty, use the latest version |
| * @return SchemaInfo |
| */ |
| virtual Future<Result, SchemaInfo> getSchema(const TopicNamePtr& topicName, |
| const std::string& version = "") = 0; |
| |
| virtual ~LookupService() {} |
| }; |
| |
| typedef std::shared_ptr<LookupService> LookupServicePtr; |
| |
| } // namespace pulsar |
| #endif // PULSAR_CPP_LOOKUPSERVICE_H |