| /* |
| * Copyright 2014 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.device.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.DefaultAnnotations.union; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.SparseAnnotations; |
| import org.onosproject.net.device.DefaultDeviceDescription; |
| import org.onosproject.net.device.DefaultPortDescription; |
| import org.onosproject.net.device.DeviceDescription; |
| import org.onosproject.net.device.PortDescription; |
| import org.onosproject.store.Timestamp; |
| import org.onosproject.store.impl.Timestamped; |
| |
| /* |
| * Collection of Description of a Device and Ports, given from a Provider. |
| */ |
| class DeviceDescriptions { |
| |
| private volatile Timestamped<DeviceDescription> deviceDesc; |
| |
| private final ConcurrentMap<PortNumber, Timestamped<PortDescription>> portDescs; |
| |
| public DeviceDescriptions(Timestamped<DeviceDescription> desc) { |
| this.deviceDesc = checkNotNull(desc); |
| this.portDescs = new ConcurrentHashMap<>(); |
| } |
| |
| public Timestamp getLatestTimestamp() { |
| Timestamp latest = deviceDesc.timestamp(); |
| for (Timestamped<PortDescription> desc : portDescs.values()) { |
| if (desc.timestamp().compareTo(latest) > 0) { |
| latest = desc.timestamp(); |
| } |
| } |
| return latest; |
| } |
| |
| public Timestamped<DeviceDescription> getDeviceDesc() { |
| return deviceDesc; |
| } |
| |
| public Timestamped<PortDescription> getPortDesc(PortNumber number) { |
| return portDescs.get(number); |
| } |
| |
| public Map<PortNumber, Timestamped<PortDescription>> getPortDescs() { |
| return Collections.unmodifiableMap(portDescs); |
| } |
| |
| /** |
| * Puts DeviceDescription, merging annotations as necessary. |
| * |
| * @param newDesc new DeviceDescription |
| */ |
| public void putDeviceDesc(Timestamped<DeviceDescription> newDesc) { |
| Timestamped<DeviceDescription> oldOne = deviceDesc; |
| Timestamped<DeviceDescription> newOne = newDesc; |
| if (oldOne != null) { |
| SparseAnnotations merged = union(oldOne.value().annotations(), |
| newDesc.value().annotations()); |
| newOne = new Timestamped<DeviceDescription>( |
| new DefaultDeviceDescription(newDesc.value(), merged), |
| newDesc.timestamp()); |
| } |
| deviceDesc = newOne; |
| } |
| |
| /** |
| * Puts PortDescription, merging annotations as necessary. |
| * |
| * @param newDesc new PortDescription |
| */ |
| public void putPortDesc(Timestamped<PortDescription> newDesc) { |
| Timestamped<PortDescription> oldOne = portDescs.get(newDesc.value().portNumber()); |
| Timestamped<PortDescription> newOne = newDesc; |
| if (oldOne != null) { |
| SparseAnnotations merged = union(oldOne.value().annotations(), |
| newDesc.value().annotations()); |
| newOne = new Timestamped<PortDescription>( |
| new DefaultPortDescription(newDesc.value(), merged), |
| newDesc.timestamp()); |
| } |
| portDescs.put(newOne.value().portNumber(), newOne); |
| } |
| } |