| /** |
| * 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. |
| */ |
| package org.apache.pulsar.broker.service; |
| |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.pulsar.broker.systopic.SystemTopicClient.Reader; |
| import org.apache.pulsar.broker.systopic.SystemTopicClient.Writer; |
| import org.apache.pulsar.broker.systopic.TransactionBufferSystemTopicClient; |
| import org.apache.pulsar.broker.transaction.buffer.matadata.TransactionBufferSnapshot; |
| import org.apache.pulsar.common.naming.TopicName; |
| |
| public interface TransactionBufferSnapshotService { |
| |
| /** |
| * Create a transaction buffer snapshot writer. |
| * |
| * @param topicName {@link TopicName} the topic name |
| * |
| * @return {@link CompletableFuture<Writer>} return the future of writer |
| */ |
| CompletableFuture<Writer<TransactionBufferSnapshot>> createWriter(TopicName topicName); |
| |
| /** |
| * Create a transaction buffer snapshot reader. |
| * |
| * @param topicName {@link TopicName} the topic name |
| * |
| * @return {@link CompletableFuture<Writer>} return the future of reader |
| */ |
| CompletableFuture<Reader<TransactionBufferSnapshot>> createReader(TopicName topicName); |
| |
| /** |
| * Remove a topic client from cache. |
| * |
| * @param topicName {@link TopicName} the topic name |
| * @param transactionBufferSystemTopicClient {@link TransactionBufferSystemTopicClient} the topic client |
| * |
| */ |
| void removeClient(TopicName topicName, TransactionBufferSystemTopicClient transactionBufferSystemTopicClient); |
| |
| /** |
| * Close transaction buffer snapshot service. |
| */ |
| void close() throws Exception; |
| |
| } |