| /* |
| * 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.ratis.server.impl; |
| |
| import org.apache.ratis.protocol.ClientInvocationId; |
| import org.apache.ratis.server.DataStreamMap; |
| import org.apache.ratis.statemachine.StateMachine.DataStream; |
| import org.apache.ratis.util.JavaUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.function.Function; |
| |
| class DataStreamMapImpl implements DataStreamMap { |
| public static final Logger LOG = LoggerFactory.getLogger(DataStreamMapImpl.class); |
| |
| private final String name; |
| private final ConcurrentMap<ClientInvocationId, CompletableFuture<DataStream>> map = new ConcurrentHashMap<>(); |
| |
| DataStreamMapImpl(Object name) { |
| this.name = name + "-" + JavaUtils.getClassSimpleName(getClass()); |
| } |
| |
| @Override |
| public CompletableFuture<DataStream> remove(ClientInvocationId invocationId) { |
| return map.remove(invocationId); |
| } |
| |
| @Override |
| public CompletableFuture<DataStream> computeIfAbsent(ClientInvocationId invocationId, |
| Function<ClientInvocationId, CompletableFuture<DataStream>> newDataStream) { |
| return map.computeIfAbsent(invocationId, newDataStream); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| } |