| /* |
| * Copyright 2015-present 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.net.config.basics; |
| |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.LinkKey; |
| import org.onosproject.net.config.SubjectFactory; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Set of subject factories for potential configuration subjects. |
| */ |
| public final class SubjectFactories { |
| |
| // Construction forbidden |
| private SubjectFactories() { |
| } |
| |
| // Required for resolving application identifiers |
| private static CoreService coreService; |
| |
| public static final SubjectFactory<ApplicationId> APP_SUBJECT_FACTORY = |
| new SubjectFactory<ApplicationId>(ApplicationId.class, "apps") { |
| @Override |
| public ApplicationId createSubject(String key) { |
| return coreService.registerApplication(key); |
| } |
| @Override |
| public String subjectKey(ApplicationId subject) { |
| return subject.name(); |
| } |
| }; |
| |
| public static final SubjectFactory<DeviceId> DEVICE_SUBJECT_FACTORY = |
| new SubjectFactory<DeviceId>(DeviceId.class, "devices") { |
| @Override |
| public DeviceId createSubject(String key) { |
| return DeviceId.deviceId(key); |
| } |
| }; |
| |
| public static final SubjectFactory<ConnectPoint> CONNECT_POINT_SUBJECT_FACTORY = |
| new SubjectFactory<ConnectPoint>(ConnectPoint.class, "ports") { |
| @Override |
| public ConnectPoint createSubject(String key) { |
| return ConnectPoint.deviceConnectPoint(key); |
| } |
| @Override |
| public String subjectKey(ConnectPoint subject) { |
| return key(subject); |
| } |
| }; |
| |
| public static final SubjectFactory<HostId> HOST_SUBJECT_FACTORY = |
| new SubjectFactory<HostId>(HostId.class, "hosts") { |
| @Override |
| public HostId createSubject(String key) { |
| return HostId.hostId(key); |
| } |
| }; |
| |
| public static final SubjectFactory<LinkKey> LINK_SUBJECT_FACTORY = |
| new SubjectFactory<LinkKey>(LinkKey.class, "links") { |
| @Override |
| public LinkKey createSubject(String key) { |
| String[] cps = key.split("-"); |
| checkArgument(cps.length == 2, "Incorrect link key format: %s", key); |
| return LinkKey.linkKey(ConnectPoint.deviceConnectPoint(cps[0]), |
| ConnectPoint.deviceConnectPoint(cps[1])); |
| } |
| @Override |
| public String subjectKey(LinkKey subject) { |
| return key(subject.src()) + "-" + key(subject.dst()); |
| } |
| }; |
| |
| /** |
| * Provides reference to the core service, which is required for |
| * application subject factory. |
| * |
| * @param service core service reference |
| */ |
| public static void setCoreService(CoreService service) { |
| coreService = service; |
| } |
| |
| private static String key(ConnectPoint subject) { |
| return subject.deviceId() + "/" + subject.port(); |
| } |
| |
| } |