ReadOnlyTimeSeriesStoreCache.java
/**
* Copyright (c) 2018, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.timeseries;
import java.util.*;
import java.util.stream.Collectors;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
public class ReadOnlyTimeSeriesStoreCache implements ReadOnlyTimeSeriesStore {
private final Map<String, DoubleTimeSeries> doubleTimeSeriesMap;
public ReadOnlyTimeSeriesStoreCache(DoubleTimeSeries... doubleTimeSeriesList) {
this(Arrays.asList(doubleTimeSeriesList));
}
public ReadOnlyTimeSeriesStoreCache(List<DoubleTimeSeries> doubleTimeSeriesList) {
Objects.requireNonNull(doubleTimeSeriesList);
doubleTimeSeriesMap = new HashMap<>(doubleTimeSeriesList.size());
for (DoubleTimeSeries doubleTimeSeries : doubleTimeSeriesList) {
doubleTimeSeriesMap.put(doubleTimeSeries.getMetadata().getName(), doubleTimeSeries);
}
}
@Override
public Set<String> getTimeSeriesNames(TimeSeriesFilter filter) {
return doubleTimeSeriesMap.keySet();
}
@Override
public boolean timeSeriesExists(String timeSeriesName) {
return doubleTimeSeriesMap.containsKey(timeSeriesName);
}
@Override
public Optional<TimeSeriesMetadata> getTimeSeriesMetadata(String timeSeriesName) {
Objects.requireNonNull(timeSeriesName);
return Optional.ofNullable(doubleTimeSeriesMap.get(timeSeriesName))
.map(TimeSeries::getMetadata);
}
@Override
public List<TimeSeriesMetadata> getTimeSeriesMetadata(Set<String> timeSeriesNames) {
Objects.requireNonNull(timeSeriesNames);
return timeSeriesNames.stream()
.map(this::getTimeSeriesMetadata)
.filter(Optional::isPresent)
.map(Optional::get)
.collect(Collectors.toList());
}
@Override
public Set<Integer> getTimeSeriesDataVersions() {
return Collections.emptySet();
}
@Override
public Set<Integer> getTimeSeriesDataVersions(String timeSeriesName) {
return Collections.emptySet();
}
@Override
public Optional<DoubleTimeSeries> getDoubleTimeSeries(String timeSeriesName, int version) {
return Optional.ofNullable(doubleTimeSeriesMap.get(timeSeriesName));
}
@Override
public List<DoubleTimeSeries> getDoubleTimeSeries(Set<String> timeSeriesNames, int version) {
return timeSeriesNames.stream()
.map(timeSeriesName -> getDoubleTimeSeries(timeSeriesName, version))
.filter(Optional::isPresent)
.map(Optional::get)
.collect(Collectors.toList());
}
@Override
public List<DoubleTimeSeries> getDoubleTimeSeries(int version) {
return new ArrayList<>(doubleTimeSeriesMap.values());
}
@Override
public Optional<StringTimeSeries> getStringTimeSeries(String timeSeriesName, int version) {
return Optional.empty();
}
@Override
public List<StringTimeSeries> getStringTimeSeries(Set<String> timeSeriesNames, int version) {
return Collections.emptyList();
}
private static UnsupportedOperationException createNotImplementedException() {
return new UnsupportedOperationException("Not implemented");
}
@Override
public void addListener(TimeSeriesStoreListener listener) {
throw createNotImplementedException();
}
@Override
public void removeListener(TimeSeriesStoreListener listener) {
throw createNotImplementedException();
}
}