romanov73/time-series-smoothing
1
0
Fork 0
Code Issues 4 Pull Requests 1 Projects Releases Wiki Activity

#5 -- save metadata

Browse Source
This commit is contained in:
Anton Romanov 2021-07-29 10:40:44 +04:00
parent c8c53abdec
commit e3ce7c0647
3 changed files with 25 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/main/java/ru/ulstu/db/DbFileService.java
View File

@ -72,24 +72,31 @@ public class DbFileService implements DbService {
}
@Override
public boolean addSet(String key) {
public void addSet(String key) {
TimeSeriesSet timeSeriesSet = new TimeSeriesSet(key);
if (isTimeSeriesSetExists(timeSeriesSet)) {
throw new RuntimeException(String.format("Time series set %s already exists", timeSeriesSet.getKey()));
} else {
return Paths.get(timeSeriesDbPath, timeSeriesSet.getKey()).toFile().mkdirs();
Paths.get(timeSeriesDbPath, timeSeriesSet.getKey()).toFile().mkdirs();
}
}
@Override
public boolean addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException {
public void addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException {
if (!isTimeSeriesSetExists(timeSeriesSet)) {
addSet(timeSeriesSet.getKey());
}
BufferedWriter writer = new BufferedWriter(new FileWriter(Paths.get(getSetPath(timeSeriesSet).getAbsolutePath(), timeSeries.getName() + ".csv").toFile()));
writer.write(new UtilService().getTimeSeriesToDateValueString(timeSeries));
writer.close();
return true;
createMetaFile(timeSeriesSet, timeSeries);
}
private void createMetaFile(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException {
TimeSeriesMeta timeSeriesMeta = new TimeSeriesMeta(timeSeries);
new ObjectMapper()
.writeValue(Paths.get(getSetPath(timeSeriesSet).getAbsolutePath(), timeSeries.getName() + ".csv.meta")
.toFile(), timeSeriesMeta);
}
@Override
@ -138,7 +145,7 @@ public class DbFileService implements DbService {
}
private List<File> getTimeSeriesMetaFiles(TimeSeriesSet timeSeriesSet) {
return Arrays.asList(getSetPath(timeSeriesSet).listFiles(f -> f.getName().endsWith(".meta")));
return Arrays.asList(getSetPath(timeSeriesSet).listFiles(f -> f.getName().endsWith(".csv.meta")));
}
private File getTimeSeriesFile(TimeSeriesSet timeSeriesSet, String timeSeriesKey) {

4
src/main/java/ru/ulstu/db/DbService.java
View File

@ -20,9 +20,9 @@ public interface DbService {
TimeSeries getTimeSeries(TimeSeriesSet timeSeriesSet, String timeSeriesKey) throws IOException;
boolean addSet(String key);
void addSet(String key);
boolean addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException;
void addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException;
void deleteTimeSeries(TimeSeriesSet set, String timeSeriesKey) throws IOException;

11
src/main/java/ru/ulstu/db/model/TimeSeriesMeta.java
View File

@ -6,11 +6,22 @@
package ru.ulstu.db.model;
import ru.ulstu.datamodel.ts.TimeSeries;
public class TimeSeriesMeta {
private String key;
private int size;
private boolean hasDateTime;
public TimeSeriesMeta() {
}
public TimeSeriesMeta(TimeSeries timeSeries) {
this.key = timeSeries.getName();
this.hasDateTime = timeSeries.getValues().stream().anyMatch(v -> v.getDate() != null);
this.size = timeSeries.getLength();
}
public String getKey() {
return key;
}