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CsvTimeSeriesMappingSource.java
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CsvTimeSeriesMappingSource.java
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/*
* © 2021. TU Dortmund University,
* Institute of Energy Systems, Energy Efficiency and Energy Economics,
* Research group Distribution grid planning and operation
*/
package edu.ie3.datamodel.io.source.csv;
import edu.ie3.datamodel.exceptions.SourceException;
import edu.ie3.datamodel.io.naming.FileNamingStrategy;
import edu.ie3.datamodel.io.source.TimeSeriesMappingSource;
import edu.ie3.datamodel.utils.Try;
import java.nio.file.Path;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Stream;
public class CsvTimeSeriesMappingSource extends TimeSeriesMappingSource {
private final CsvDataSource dataSource;
public CsvTimeSeriesMappingSource(
String csvSep, Path gridFolderPath, FileNamingStrategy fileNamingStrategy)
throws SourceException {
this.dataSource = new CsvDataSource(csvSep, gridFolderPath, fileNamingStrategy);
// validating
Try.of(this::getSourceFields, SourceException.class)
.flatMap(
fieldsOpt ->
fieldsOpt
.map(
fields ->
mappingFactory
.validate(fields, MappingEntry.class)
.transformF(SourceException::new))
.orElse(Try.Success.empty()))
.getOrThrow();
}
@Override
public Stream<Map<String, String>> getMappingSourceData() throws SourceException {
return dataSource.buildStreamWithFieldsToAttributesMap(MappingEntry.class, true).getOrThrow();
}
@Override
public Optional<Set<String>> getSourceFields() throws SourceException {
return dataSource.getSourceFields(MappingEntry.class);
}
}