| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.cluster.Member; |
| import org.onosproject.core.Application; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.intf.Interface; |
| import org.onosproject.incubator.net.virtual.TenantId; |
| import org.onosproject.incubator.net.virtual.VirtualDevice; |
| import org.onosproject.incubator.net.virtual.VirtualNetwork; |
| import org.onosproject.incubator.net.virtual.VirtualPort; |
| 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.key.DeviceKey; |
| import org.onosproject.net.region.Region; |
| import org.onosproject.net.statistic.FlowEntryWithLoad; |
| import org.onosproject.net.topology.TopologyCluster; |
| import org.onosproject.ui.model.topo.UiTopoLayout; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Various comparators. |
| */ |
| public final class Comparators { |
| |
| // Ban construction |
| private Comparators() { |
| } |
| |
| public static final Comparator<ApplicationId> APP_ID_COMPARATOR = |
| (id1, id2) -> id1.id() - id2.id(); |
| |
| public static final Comparator<Application> APP_COMPARATOR = |
| (app1, app2) -> app1.id().id() - app2.id().id(); |
| |
| public static final Comparator<ElementId> ELEMENT_ID_COMPARATOR = |
| (id1, id2) -> id1.toString().compareTo(id2.toString()); |
| |
| public static final Comparator<Element> ELEMENT_COMPARATOR = |
| (e1, e2) -> e1.id().toString().compareTo(e2.id().toString()); |
| |
| public static final Comparator<FlowRule> FLOW_RULE_COMPARATOR = |
| (f1, 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<FlowEntryWithLoad> FLOWENTRY_WITHLOAD_COMPARATOR = |
| (fe1, fe2) -> { |
| long delta = fe1.load().rate() - fe2.load().rate(); |
| return delta == 0 ? 0 : (delta > 0 ? -1 : +1); |
| }; |
| |
| public static final Comparator<Group> GROUP_COMPARATOR = |
| (g1, g2) -> Long.valueOf(g1.id().id()).compareTo((long) g2.id().id()); |
| |
| public static final Comparator<Port> PORT_COMPARATOR = |
| (p1, p2) -> { |
| long delta = p1.number().toLong() - p2.number().toLong(); |
| return delta == 0 ? 0 : (delta < 0 ? -1 : +1); |
| }; |
| |
| public static final Comparator<TopologyCluster> CLUSTER_COMPARATOR = |
| (c1, c2) -> c1.id().index() - c2.id().index(); |
| |
| public static final Comparator<ControllerNode> NODE_COMPARATOR = |
| (ci1, ci2) -> ci1.id().toString().compareTo(ci2.id().toString()); |
| |
| public static final Comparator<Member> MEMBERSHIP_COMPARATOR = |
| (ci1, ci2) -> ci1.nodeId().toString().compareTo(ci2.nodeId().toString()); |
| |
| public static final Comparator<ConnectPoint> CONNECT_POINT_COMPARATOR = |
| (o1, 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<DeviceKey> DEVICE_KEY_COMPARATOR = |
| (dk1, dk2) -> dk1.deviceKeyId().id().compareTo(dk2.deviceKeyId().id()); |
| |
| public static final Comparator<Region> REGION_COMPARATOR = |
| (r1, r2) -> r1.id().toString().compareTo(r2.id().toString()); |
| |
| public static final Comparator<UiTopoLayout> LAYOUT_COMPARATOR = |
| (l1, l2) -> l1.id().toString().compareTo(l2.id().toString()); |
| |
| public static final Comparator<TenantId> TENANT_ID_COMPARATOR = |
| (t1, t2) -> t1.id().compareTo(t2.id()); |
| |
| public static final Comparator<VirtualNetwork> VIRTUAL_NETWORK_COMPARATOR = |
| (v1, v2) -> { |
| int compareId = v1.tenantId().toString().compareTo(v2.tenantId().toString()); |
| return (compareId != 0) ? compareId : Long.signum(v1.id().id() - v2.id().id()); |
| }; |
| |
| public static final Comparator<VirtualDevice> VIRTUAL_DEVICE_COMPARATOR = |
| (v1, v2) -> v1.id().toString().compareTo(v2.id().toString()); |
| |
| public static final Comparator<VirtualPort> VIRTUAL_PORT_COMPARATOR = |
| (v1, v2) -> v1.number().toString().compareTo(v2.number().toString()); |
| } |