| /* |
| * 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.tuweni.plumtree; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * In-memory peer repository. |
| */ |
| public final class EphemeralPeerRepository implements PeerRepository { |
| |
| private final Set<Peer> eagerPushPeers = ConcurrentHashMap.newKeySet(); |
| private final Set<Peer> lazyPushPeers = ConcurrentHashMap.newKeySet(); |
| |
| @Override |
| public void addEager(Peer peer) { |
| eagerPushPeers.add(peer); |
| } |
| |
| @Override |
| public List<Peer> peers() { |
| List<Peer> peers = new ArrayList<>(eagerPushPeers); |
| peers.addAll(lazyPushPeers); |
| return peers; |
| } |
| |
| @Override |
| public Collection<Peer> lazyPushPeers() { |
| return lazyPushPeers; |
| } |
| |
| @Override |
| public Collection<Peer> eagerPushPeers() { |
| return eagerPushPeers; |
| } |
| |
| @Override |
| public void removePeer(Peer peer) { |
| lazyPushPeers.remove(peer); |
| eagerPushPeers.remove(peer); |
| } |
| |
| @Override |
| public boolean moveToLazy(Peer peer) { |
| eagerPushPeers.remove(peer); |
| lazyPushPeers.add(peer); |
| return true; |
| } |
| |
| @Override |
| public void moveToEager(Peer peer) { |
| lazyPushPeers.remove(peer); |
| eagerPushPeers.add(peer); |
| } |
| |
| @Override |
| public void considerNewPeer(Peer peer) { |
| if (!lazyPushPeers.contains(peer)) { |
| eagerPushPeers.add(peer); |
| } |
| |
| } |
| } |