| /* |
| * Copyright 2014-2015 Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.store.trivial; |
| |
| import com.google.common.collect.Sets; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onosproject.net.packet.OutboundPacket; |
| import org.onosproject.net.packet.PacketEvent; |
| import org.onosproject.net.packet.PacketEvent.Type; |
| import org.onosproject.net.packet.PacketRequest; |
| import org.onosproject.net.packet.PacketStore; |
| import org.onosproject.net.packet.PacketStoreDelegate; |
| import org.onosproject.store.AbstractStore; |
| |
| |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * Simple single instance implementation of the packet store. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class SimplePacketStore |
| extends AbstractStore<PacketEvent, PacketStoreDelegate> |
| implements PacketStore { |
| |
| private Set<PacketRequest> requests = Sets.newConcurrentHashSet(); |
| |
| @Override |
| public void emit(OutboundPacket packet) { |
| notifyDelegate(new PacketEvent(Type.EMIT, packet)); |
| } |
| |
| @Override |
| public boolean requestPackets(PacketRequest request) { |
| return requests.add(request); |
| } |
| |
| @Override |
| public boolean cancelPackets(PacketRequest request) { |
| return requests.remove(request); |
| } |
| |
| @Override |
| public Set<PacketRequest> existingRequests() { |
| return Collections.unmodifiableSet(requests); |
| } |
| |
| } |