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/*
* Copyright 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.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();
}
}
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