diff options
Diffstat (limited to 'src/main/java/org/onap/a1pesimulator/service/ue/RanUeHolder.java')
-rw-r--r-- | src/main/java/org/onap/a1pesimulator/service/ue/RanUeHolder.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/main/java/org/onap/a1pesimulator/service/ue/RanUeHolder.java b/src/main/java/org/onap/a1pesimulator/service/ue/RanUeHolder.java new file mode 100644 index 0000000..d31135d --- /dev/null +++ b/src/main/java/org/onap/a1pesimulator/service/ue/RanUeHolder.java @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2021 Samsung Electronics + * 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.onap.a1pesimulator.service.ue; + +import java.util.Collection; +import java.util.Map; +import java.util.Optional; +import java.util.function.Function; +import java.util.stream.Collectors; +import org.onap.a1pesimulator.data.cell.CellDetails; +import org.onap.a1pesimulator.data.ue.UserEquipment; +import org.onap.a1pesimulator.service.cell.RanCellsHolder; +import org.onap.a1pesimulator.service.distance.DistanceService; +import org.onap.a1pesimulator.util.TopologyReader; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.stereotype.Service; + +@Service +public class RanUeHolder { + + private static final Logger log = LoggerFactory.getLogger(RanUeHolder.class); + + private Map<String, UserEquipment> userEquipmentsById; + + private final TopologyReader topologyReader; + private final DistanceService distanceService; + + private final RanCellsHolder ranCellsHolder; + + public RanUeHolder(TopologyReader topologyReader, DistanceService distanceService, RanCellsHolder ranCellsHolder) { + this.topologyReader = topologyReader; + this.distanceService = distanceService; + this.ranCellsHolder = ranCellsHolder; + refresh(); + } + + public Collection<UserEquipment> getUserEquipments() { + return userEquipmentsById.values(); + } + + public Collection<UserEquipment> getUserEquipmentsConnectedToCell(String cellId) { + return userEquipmentsById.values().stream().filter(ue -> cellId.equalsIgnoreCase(ue.getCellId())) + .collect(Collectors.toList()); + } + + public Optional<UserEquipment> getUserEquipment(String id) { + return userEquipmentsById.values().stream().filter(ue -> id.equalsIgnoreCase(ue.getId())).findAny(); + } + + public void refresh() { + Collection<UserEquipment> ues = topologyReader.loadUeTopology(); + userEquipmentsById = ues.stream().filter(this::validate) + .collect(Collectors.toMap(UserEquipment::getId, Function.identity())); + } + + public boolean hasChanged() { + return topologyReader.topologyUeHasChanged(); + } + + private boolean validate(UserEquipment ue) { + CellDetails cell = ranCellsHolder.getCellById(ue.getCellId()); + boolean inRange = distanceService.isInRange(cell, ue); + if (!inRange) { + log.warn("UE {} is not in range of preferred cell {}", ue.getId(), cell.getId()); + } + return true; + } +} |