device config operator
Combination operator for device-related configuration information,
including tests.
Change-Id: I0320f7b568979063947a37cf2749daae7a1a05f1
diff --git a/core/net/src/main/java/org/onosproject/net/device/impl/BasicDeviceOperator.java b/core/net/src/main/java/org/onosproject/net/device/impl/BasicDeviceOperator.java
new file mode 100644
index 0000000..6c7a065
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/device/impl/BasicDeviceOperator.java
@@ -0,0 +1,94 @@
+/*
+ * 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 static org.slf4j.LoggerFactory.getLogger;
+
+import org.onosproject.incubator.net.config.basics.BasicDeviceConfig;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.Device;
+import org.onosproject.net.SparseAnnotations;
+import org.onosproject.net.device.DefaultDeviceDescription;
+import org.onosproject.net.device.DeviceDescription;
+import org.slf4j.Logger;
+
+/**
+ * Implementations of merge policies for various sources of device configuration
+ * information. This includes applications, provides, and network configurations.
+ */
+public final class BasicDeviceOperator extends BasicDeviceConfig {
+
+ 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) {
+ 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 (bdc.driver() != an.value(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(RACK_ADDRESS, bdc.rackAddress());
+ }
+ if (bdc.owner() != null) {
+ newBuilder.set(OWNER, bdc.owner());
+ }
+ DefaultAnnotations newAnnotations = newBuilder.build();
+ return DefaultAnnotations.union(an, newAnnotations);
+ }
+}