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/*
* 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.cell;
import java.text.MessageFormat;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.TreeMap;
import java.util.function.BinaryOperator;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import lombok.Builder;
import lombok.Getter;
import lombok.Setter;
import org.onap.a1pesimulator.data.cell.CellDetails;
import org.onap.a1pesimulator.data.cell.CellList.Cell;
import org.onap.a1pesimulator.data.cell.CellList.CellData;
import org.onap.a1pesimulator.util.TopologyReader;
import org.springframework.stereotype.Service;
@Service
public class RanCellsHolder {
private Map<String, CellDetails> cellDetailsById;
private final Collection<CellInFailureMode> cellsInFailureMode = new HashSet<>();
private final TopologyReader topologyReader;
public RanCellsHolder(TopologyReader topologyReader) {
this.topologyReader = topologyReader;
refresh();
}
public Set<String> getCellIds() {
return cellDetailsById.keySet();
}
public CellDetails getCellById(String id) {
if (!cellDetailsById.containsKey(id)) {
throw new RuntimeException(MessageFormat.format("Cell not found: {0}", id));
}
return cellDetailsById.get(id);
}
public Collection<CellDetails> getCellDetailsList() {
return cellDetailsById.values();
}
public Collection<CellDetails> getAllCells() {
return cellDetailsById.values();
}
public void markCellInFailure(String id) {
cellsInFailureMode.add(CellInFailureMode.builder().id(id).build());
}
public boolean isInFailureMode(String id) {
return cellsInFailureMode.stream().anyMatch(byIdPredicate(id));
}
public void unmarkCellInFailure(String id) {
cellsInFailureMode.removeIf(byIdPredicate(id));
}
public Optional<CellInFailureMode> getCellsInFailureMode(String id) {
return cellsInFailureMode.stream().filter(byIdPredicate(id)).findFirst();
}
@Getter
@Builder
public static class CellInFailureMode {
private final String id;
@Setter
private Long sleepingModeDetectedTime;
}
public void refresh() {
List<CellData> cellDatas = topologyReader.loadCellTopology().getCellList();
cellDetailsById = cellDatas.stream().collect(Collectors.toMap(cellData -> cellData.getCell().getNodeId(),
this::toCellDetails, throwingMerger(), TreeMap::new));
}
public boolean hasChanged() {
return topologyReader.topologyCellHasChanged();
}
private <T> BinaryOperator<T> throwingMerger() {
return (u, v) -> {
throw new IllegalStateException(String.format("Duplicate key %s", u));
};
}
private CellDetails toCellDetails(CellData data) {
Cell cell = data.getCell();
return CellDetails.builder().id(cell.getNodeId()).latitude(cell.getLatitude()).longitude(cell.getLongitude())
.build();
}
public static Predicate<CellInFailureMode> byIdPredicate(String id) {
return cell -> cell.getId().equals(id);
}
}
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