| /* |
| * Copyright 2014-2016 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.utils; |
| |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.core.Application; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.incubator.net.intf.Interface; |
| import org.onosproject.net.key.DeviceKey; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Element; |
| import org.onosproject.net.ElementId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.group.Group; |
| import org.onosproject.net.region.Region; |
| import org.onosproject.net.statistic.TypedFlowEntryWithLoad; |
| import org.onosproject.net.topology.TopologyCluster; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Various comparators. |
| */ |
| public final class Comparators { |
| |
| // Ban construction |
| private Comparators() { |
| } |
| |
| public static final Comparator<ApplicationId> APP_ID_COMPARATOR = new Comparator<ApplicationId>() { |
| @Override |
| public int compare(ApplicationId id1, ApplicationId id2) { |
| return id1.id() - id2.id(); |
| } |
| }; |
| |
| public static final Comparator<Application> APP_COMPARATOR = new Comparator<Application>() { |
| @Override |
| public int compare(Application app1, Application app2) { |
| return app1.id().id() - app2.id().id(); |
| } |
| }; |
| |
| public static final Comparator<ElementId> ELEMENT_ID_COMPARATOR = new Comparator<ElementId>() { |
| @Override |
| public int compare(ElementId id1, ElementId id2) { |
| return id1.toString().compareTo(id2.toString()); |
| } |
| }; |
| |
| public static final Comparator<Element> ELEMENT_COMPARATOR = new Comparator<Element>() { |
| @Override |
| public int compare(Element e1, Element e2) { |
| return e1.id().toString().compareTo(e2.id().toString()); |
| } |
| }; |
| |
| public static final Comparator<FlowRule> FLOW_RULE_COMPARATOR = new Comparator<FlowRule>() { |
| @Override |
| public int compare(FlowRule f1, FlowRule f2) { |
| // Compare table IDs in ascending order |
| int tableCompare = f1.tableId() - f2.tableId(); |
| if (tableCompare != 0) { |
| return tableCompare; |
| } |
| // Compare priorities in descending order |
| int priorityCompare = f2.priority() - f1.priority(); |
| return (priorityCompare == 0) |
| ? Long.valueOf(f1.id().value()).compareTo(f2.id().value()) |
| : priorityCompare; |
| } |
| }; |
| |
| public static final Comparator<Group> GROUP_COMPARATOR = new Comparator<Group>() { |
| @Override |
| public int compare(Group g1, Group g2) { |
| return Long.valueOf(g1.id().id()).compareTo(Long.valueOf(g2.id().id())); |
| } |
| }; |
| |
| public static final Comparator<Port> PORT_COMPARATOR = new Comparator<Port>() { |
| @Override |
| public int compare(Port p1, Port p2) { |
| long delta = p1.number().toLong() - p2.number().toLong(); |
| return delta == 0 ? 0 : (delta < 0 ? -1 : +1); |
| } |
| }; |
| |
| public static final Comparator<TopologyCluster> CLUSTER_COMPARATOR = new Comparator<TopologyCluster>() { |
| @Override |
| public int compare(TopologyCluster c1, TopologyCluster c2) { |
| return c1.id().index() - c2.id().index(); |
| } |
| }; |
| |
| public static final Comparator<ControllerNode> NODE_COMPARATOR = new Comparator<ControllerNode>() { |
| @Override |
| public int compare(ControllerNode ci1, ControllerNode ci2) { |
| return ci1.id().toString().compareTo(ci2.id().toString()); |
| } |
| }; |
| |
| public static final Comparator<ConnectPoint> CONNECT_POINT_COMPARATOR = new Comparator<ConnectPoint>() { |
| @Override |
| public int compare(ConnectPoint o1, ConnectPoint o2) { |
| int compareId = ELEMENT_ID_COMPARATOR.compare(o1.elementId(), o2.elementId()); |
| return (compareId != 0) ? |
| compareId : |
| Long.signum(o1.port().toLong() - o2.port().toLong()); |
| } |
| }; |
| |
| public static final Comparator<Interface> INTERFACES_COMPARATOR = (intf1, intf2) -> |
| CONNECT_POINT_COMPARATOR.compare(intf1.connectPoint(), intf2.connectPoint()); |
| |
| public static final Comparator<TypedFlowEntryWithLoad> TYPEFLOWENTRY_WITHLOAD_COMPARATOR = |
| new Comparator<TypedFlowEntryWithLoad>() { |
| @Override |
| public int compare(TypedFlowEntryWithLoad fe1, TypedFlowEntryWithLoad fe2) { |
| long delta = fe1.load().rate() - fe2.load().rate(); |
| return delta == 0 ? 0 : (delta > 0 ? -1 : +1); |
| } |
| }; |
| |
| public static final Comparator<DeviceKey> DEVICE_KEY_COMPARATOR = new Comparator<DeviceKey>() { |
| @Override |
| public int compare(DeviceKey deviceKey1, DeviceKey deviceKey2) { |
| return deviceKey1.deviceKeyId().id().toString().compareTo(deviceKey2.deviceKeyId().id().toString()); |
| } |
| }; |
| |
| public static final Comparator<Region> REGION_COMPARATOR = new Comparator<Region>() { |
| @Override |
| public int compare(Region region1, Region region2) { |
| return region1.id().toString().compareTo(region2.id().toString()); |
| } |
| }; |
| } |