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/*
* 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.OchPortDescription;
import org.onosproject.net.device.OduCltPortDescription;
import org.onosproject.net.device.OmsPortDescription;
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<>(
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 = null;
switch (newDesc.value().type()) {
case OMS:
OmsPortDescription omsDesc = (OmsPortDescription) (newDesc.value());
newOne = new Timestamped<>(
new OmsPortDescription(
omsDesc, omsDesc.minFrequency(), omsDesc.maxFrequency(), omsDesc.grid(), merged),
newDesc.timestamp());
break;
case OCH:
OchPortDescription ochDesc = (OchPortDescription) (newDesc.value());
newOne = new Timestamped<>(
new OchPortDescription(
ochDesc, ochDesc.signalType(), ochDesc.isTunable(), ochDesc.lambda(), merged),
newDesc.timestamp());
break;
case ODUCLT:
OduCltPortDescription ocDesc = (OduCltPortDescription) (newDesc.value());
newOne = new Timestamped<>(
new OduCltPortDescription(
ocDesc, ocDesc.signalType(), merged),
newDesc.timestamp());
break;
default:
newOne = new Timestamped<>(
new DefaultPortDescription(newDesc.value(), merged),
newDesc.timestamp());
}
}
portDescs.put(newOne.value().portNumber(), newOne);
}
}
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