diff options
Diffstat (limited to 'src/main/java/org/onap/a1pesimulator/service/ue/RanUeServiceImpl.java')
-rw-r--r-- | src/main/java/org/onap/a1pesimulator/service/ue/RanUeServiceImpl.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/main/java/org/onap/a1pesimulator/service/ue/RanUeServiceImpl.java b/src/main/java/org/onap/a1pesimulator/service/ue/RanUeServiceImpl.java new file mode 100644 index 0000000..da6f5bc --- /dev/null +++ b/src/main/java/org/onap/a1pesimulator/service/ue/RanUeServiceImpl.java @@ -0,0 +1,87 @@ +/* + * 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.Optional; +import java.util.stream.Collectors; +import org.onap.a1pesimulator.data.cell.CellDetails; +import org.onap.a1pesimulator.data.ue.RanUserEquipment; +import org.onap.a1pesimulator.data.ue.UserEquipment; +import org.onap.a1pesimulator.service.cell.RanCellsHolder; +import org.onap.a1pesimulator.service.distance.DistanceService; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.stereotype.Service; + +@Service +public class RanUeServiceImpl implements RanUeService { + + private static final Logger log = LoggerFactory.getLogger(RanUeServiceImpl.class); + + private final RanUeHolder ueHolder; + private final RanCellsHolder ranCellsHolder; + private final DistanceService distanceService; + + public RanUeServiceImpl(RanUeHolder ueHolder, RanCellsHolder ranCellsHolder, DistanceService distanceService) { + this.ueHolder = ueHolder; + this.ranCellsHolder = ranCellsHolder; + this.distanceService = distanceService; + } + + @Override + public Collection<UserEquipment> getUserEquipments() { + return ueHolder.getUserEquipments(); + } + + @Override + public RanUserEquipment getUes() { + Collection<UserEquipment> uesCollection = ueHolder.getUserEquipments(); + return new RanUserEquipment(uesCollection, uesCollection.size()); + } + + @Override + public Collection<UserEquipment> getUserEquipmentsConnectedToCell(String cellId) { + return ueHolder.getUserEquipmentsConnectedToCell(cellId); + } + + @Override + public Optional<UserEquipment> getUserEquipment(String id) { + Optional<UserEquipment> userEquipment = ueHolder.getUserEquipment(id); + userEquipment.ifPresent(ue -> ue.setCellsInRange(getCellsIdsInRange(ue))); + return userEquipment; + } + + @Override + public void handover(String ueId, String cellId) { + Optional<UserEquipment> userEquipment = getUserEquipment(ueId); + if (!userEquipment.isPresent()) { + log.warn("Cannot handover ue {} to cell {}, because ue does not exist!", ueId, cellId); + return; + } + userEquipment.get().setCellId(cellId); + } + + @Override + public boolean canHandover(String ueId, String cellId) { + Optional<UserEquipment> userEquipment = getUserEquipment(ueId); + return userEquipment.map(equipment -> equipment.getCellsInRange().stream().anyMatch(cellId::equalsIgnoreCase)) + .orElse(false); + } + + private Collection<String> getCellsIdsInRange(UserEquipment ue) { + return ranCellsHolder.getAllCells().stream().filter(cell -> distanceService.isInRange(cell, ue)) + .map(CellDetails::getId).collect(Collectors.toList()); + } +} |