| /* |
| * 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. |
| */ |
| #include "MemberListForVersionStamp.hpp" |
| |
| #include "util/Log.hpp" |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| MemberListForVersionStamp::MemberListForVersionStamp() { m_memberCounter = 0; } |
| |
| MemberListForVersionStamp::~MemberListForVersionStamp() {} |
| |
| // Two hash maps are needed in this class as we have two primary keys on which |
| // we want a search - integer counter and the hash key of the member. |
| // Add function searches whether the member is already added to the hash maps. |
| // If yes, return the integer counter. If not, add it to both the hash maps. |
| // This function is protected using readers/writer lock |
| uint16_t MemberListForVersionStamp::add( |
| std::shared_ptr<DSMemberForVersionStamp> member) { |
| WriteGuard guard(m_mapLock); |
| std::unordered_map<std::string, DistributedMemberWithIntIdentifier>::iterator |
| it = m_members2.find(member->getHashKey()); |
| if (it != m_members2.end()) return (*it).second.m_identifier; |
| DistributedMemberWithIntIdentifier dmwithIntId(member, ++m_memberCounter); |
| m_members1[m_memberCounter] = member; |
| m_members2[member->getHashKey()] = dmwithIntId; |
| LOGDEBUG( |
| "Adding a new member to the member list maintained for version stamps " |
| "member Ids. HashKey: %s MemberCounter: %d", |
| member->getHashKey().c_str(), m_memberCounter); |
| return m_memberCounter; |
| } |
| |
| // This function is protected using readers/writer lock |
| std::shared_ptr<DSMemberForVersionStamp> MemberListForVersionStamp::getDSMember( |
| uint16_t memberId) { |
| ReadGuard guard(m_mapLock); |
| std::unordered_map<uint32_t, |
| std::shared_ptr<DSMemberForVersionStamp>>::iterator it = |
| m_members1.find(memberId); |
| if (it != m_members1.end()) return (*it).second; |
| return nullptr; |
| } |
| |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |