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/*
* 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.net.device.impl;
import org.onosproject.net.AnnotationKeys;
import org.onosproject.net.DefaultAnnotations;
import org.onosproject.net.Device;
import org.onosproject.net.SparseAnnotations;
import org.onosproject.net.config.ConfigOperator;
import org.onosproject.net.config.basics.BasicDeviceConfig;
import org.onosproject.net.device.DefaultDeviceDescription;
import org.onosproject.net.device.DeviceDescription;
import org.slf4j.Logger;
import java.util.Objects;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Implementations of merge policies for various sources of device configuration
* information. This includes applications, provides, and network configurations.
*/
public final class BasicDeviceOperator implements ConfigOperator {
protected static final double DEFAULT_COORD = -1.0;
private static final Logger log = getLogger(BasicDeviceOperator.class);
private BasicDeviceOperator() {
}
/**
* Generates a DeviceDescription containing fields from a DeviceDescription and
* a DeviceConfig.
*
* @param bdc the device config entity from network config
* @param descr a DeviceDescription
* @return DeviceDescription based on both sources
*/
public static DeviceDescription combine(BasicDeviceConfig bdc, DeviceDescription descr) {
if (bdc == null || descr == null) {
return descr;
}
Device.Type type = descr.type();
if (bdc.type() != null && bdc.type() != type) {
type = bdc.type();
}
SparseAnnotations sa = combine(bdc, descr.annotations());
return new DefaultDeviceDescription(descr.deviceUri(), type, descr.manufacturer(),
descr.hwVersion(), descr.swVersion(),
descr.serialNumber(), descr.chassisId(), sa);
}
/**
* Generates an annotation from an existing annotation and DeviceConfig.
*
* @param bdc the device config entity from network config
* @param an the annotation
* @return annotation combining both sources
*/
public static SparseAnnotations combine(BasicDeviceConfig bdc, SparseAnnotations an) {
DefaultAnnotations.Builder newBuilder = DefaultAnnotations.builder();
if (!Objects.equals(bdc.driver(), an.value(AnnotationKeys.DRIVER))) {
newBuilder.set(AnnotationKeys.DRIVER, bdc.driver());
}
if (bdc.name() != null) {
newBuilder.set(AnnotationKeys.NAME, bdc.name());
}
if (bdc.latitude() != DEFAULT_COORD) {
newBuilder.set(AnnotationKeys.LATITUDE, Double.toString(bdc.latitude()));
}
if (bdc.longitude() != DEFAULT_COORD) {
newBuilder.set(AnnotationKeys.LONGITUDE, Double.toString(bdc.longitude()));
}
if (bdc.rackAddress() != null) {
newBuilder.set(AnnotationKeys.RACK_ADDRESS, bdc.rackAddress());
}
if (bdc.owner() != null) {
newBuilder.set(AnnotationKeys.OWNER, bdc.owner());
}
if (bdc.managementAddress() != null) {
newBuilder.set(AnnotationKeys.MANAGEMENT_ADDRESS, bdc.managementAddress());
}
DefaultAnnotations newAnnotations = newBuilder.build();
return DefaultAnnotations.union(an, newAnnotations);
}
public static DeviceDescription descriptionOf(Device device) {
checkNotNull(device, "Must supply non-null Device");
return new DefaultDeviceDescription(device.id().uri(), device.type(),
device.manufacturer(), device.hwVersion(),
device.swVersion(), device.serialNumber(),
device.chassisId(), (SparseAnnotations) device.annotations());
}
}
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