Adding sources for load profile time series.

CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Attributes `housingType` and `numberInhabitants` for `ThermalHouse`s [#1253](https://github.com/ie3-institute/PowerSystemDataModel/issues/1253)
 - Added domestic hot water storage model [#1257](https://github.com/ie3-institute/PowerSystemDataModel/issues/1257)
 - Validation for BDEW load profile values [#1243](https://github.com/ie3-institute/PowerSystemDataModel/issues/1243)
+- Added load profiles sources [#1106](https://github.com/ie3-institute/PowerSystemDataModel/issues/1106)
 
 ### Fixed
 - Removing opened `SwitchInput` during connectivity check [#1221](https://github.com/ie3-institute/PowerSystemDataModel/issues/1221)

docs/readthedocs/io/csvfiles.md

@@ -94,11 +94,13 @@ Csv id coordinate sources can have two different ways to represent their coordin
    * - Model
      - File Name
    * - individual time series
-     - *prefix_* its *_columnScheme_UUID_suffix*
+     - *prefix_* its *_columnScheme_UUID* *_suffix*
    * - load profile input
-     - *prefix_* rts *_profileKey_UUID_suffix*
+     - *prefix_* lpts *_profileKey* *_suffix*
 ```
 
+#### Individual Time Series
+
 Let's spend a few more words on the individual time series:
 Those files are meant to carry different types of content - one might give information about wholesale market prices,
 the other is a record of power values provided by a real system.
@@ -154,6 +156,27 @@ The following keys are supported until now:
 
 ```
 
+
+##### Load Profile Time Series
+
+The following profiles are supported until now:
+```{list-table}
+   :widths: auto
+   :class: wrapping
+   :header-rows: 1
+
+   * - Key
+     - Information
+     - Supported head line.
+   * - e.g.: H0
+     - BDEW standard load profiles ([source](https://www.bdew.de/energie/standardlastprofile-strom/))
+     - Permissible head line: ``SuSa,SuSu,SuWd,TrSa,TrSu,TrWd,WiSa,WiSu,WiWd,quarterHour``
+   * - random
+     - A random load proile based on: ``Kays - Agent-based simulation environment for improving the planning of distribution grids``
+     - Permissible head line: ``kSa,kSu,kWd,mySa,mySu,myWd,sigmaSa,sigmaSu,sigmaWd,quarterHour``
+
+```
+
 ### Results
 
 ```{list-table}

docs/readthedocs/models/input/additionaldata/timeseries.md

@@ -55,4 +55,9 @@ The following different values are available:
    * - `WeatherValue`
      - Combination of irradiance, temperature and wind information
 
+   * - `BdewLoadValues`
+     - Values for combination of seasons and day types
+
+   * - `RandomLoadValues`
+     - Parameters for a probability density function to draw random power consumptions
 ```

src/main/java/edu/ie3/datamodel/io/csv/CsvLoadProfileMetaInformation.java

@@ -0,0 +1,55 @@
+/*
+ * © 2024. TU Dortmund University,
+ * Institute of Energy Systems, Energy Efficiency and Energy Economics,
+ * Research group Distribution grid planning and operation
+*/
+package edu.ie3.datamodel.io.csv;
+
+import edu.ie3.datamodel.io.naming.timeseries.LoadProfileMetaInformation;
+import java.nio.file.Path;
+import java.util.Objects;
+
+public class CsvLoadProfileMetaInformation extends LoadProfileMetaInformation {
+  private final Path fullFilePath;
+
+  public CsvLoadProfileMetaInformation(String profile, Path fullFilePath) {
+    super(profile);
+    this.fullFilePath = fullFilePath;
+  }
+
+  public CsvLoadProfileMetaInformation(
+      LoadProfileMetaInformation metaInformation, Path fullFilePath) {
+    this(metaInformation.getProfile(), fullFilePath);
+  }
+
+  public Path getFullFilePath() {
+    return fullFilePath;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) return true;
+    if (!(o instanceof CsvLoadProfileMetaInformation that)) return false;
+    if (!super.equals(o)) return false;
+    return fullFilePath.equals(that.fullFilePath);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(super.hashCode(), fullFilePath);
+  }
+
+  @Override
+  public String toString() {
+    return "CsvLoadProfileMetaInformation{"
+        + "uuid='"
+        + getUuid()
+        + '\''
+        + ", profile='"
+        + getProfile()
+        + '\''
+        + "fullFilePath="
+        + fullFilePath
+        + '}';
+  }
+}

src/main/java/edu/ie3/datamodel/io/source/LoadProfileSource.java

@@ -0,0 +1,130 @@
+/*
+ * © 2024. 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;
+
+import static edu.ie3.datamodel.models.profile.LoadProfile.RandomLoadProfile.RANDOM_LOAD_PROFILE;
+
+import edu.ie3.datamodel.exceptions.FactoryException;
+import edu.ie3.datamodel.exceptions.SourceException;
+import edu.ie3.datamodel.io.csv.CsvLoadProfileMetaInformation;
+import edu.ie3.datamodel.io.factory.timeseries.BdewLoadProfileFactory;
+import edu.ie3.datamodel.io.factory.timeseries.LoadProfileData;
+import edu.ie3.datamodel.io.factory.timeseries.LoadProfileFactory;
+import edu.ie3.datamodel.io.factory.timeseries.RandomLoadProfileFactory;
+import edu.ie3.datamodel.io.source.csv.CsvDataSource;
+import edu.ie3.datamodel.io.source.csv.CsvLoadProfileSource;
+import edu.ie3.datamodel.models.profile.BdewStandardLoadProfile;
+import edu.ie3.datamodel.models.profile.LoadProfile;
+import edu.ie3.datamodel.models.timeseries.repetitive.LoadProfileEntry;
+import edu.ie3.datamodel.models.timeseries.repetitive.LoadProfileTimeSeries;
+import edu.ie3.datamodel.models.timeseries.repetitive.RandomLoadProfileTimeSeries;
+import edu.ie3.datamodel.models.value.PValue;
+import edu.ie3.datamodel.models.value.Value;
+import edu.ie3.datamodel.models.value.load.BdewLoadValues;
+import edu.ie3.datamodel.models.value.load.LoadValues;
+import edu.ie3.datamodel.models.value.load.RandomLoadValues;
+import edu.ie3.datamodel.utils.Try;
+import java.time.ZonedDateTime;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import javax.measure.quantity.Energy;
+import javax.measure.quantity.Power;
+import tech.units.indriya.ComparableQuantity;
+
+public abstract class LoadProfileSource<P extends LoadProfile, V extends LoadValues>
+    extends EntitySource {
+  protected final Class<V> entryClass;
+  protected final LoadProfileFactory<P, V> entryFactory;
+
+  protected LoadProfileSource(Class<V> entryClass, LoadProfileFactory<P, V> entryFactory) {
+    this.entryClass = entryClass;
+    this.entryFactory = entryFactory;
+  }
+
+  /**
+   * Build a list of type {@code E}, whereas the underlying {@link Value} does not need any
+   * additional information.
+   *
+   * @param fieldToValues Mapping from field id to values
+   * @return {@link Try} of simple time based value
+   */
+  protected Try<LoadProfileEntry<V>, FactoryException> createEntries(
+      Map<String, String> fieldToValues) {
+    LoadProfileData<V> factoryData = new LoadProfileData<>(fieldToValues, entryClass);
+    return entryFactory.get(factoryData);
+  }
+
+  public abstract LoadProfileTimeSeries<V> getTimeSeries();
+
+  /**
+   * Method to return all time keys after a given timestamp.
+   *
+   * @param time given time
+   * @return a list of time keys
+   */
+  public abstract List<ZonedDateTime> getTimeKeysAfter(ZonedDateTime time);
+
+  /**
+   * Method to get the value for a given time.
+   *
+   * @param time for which a value is needed
+   * @return an optional
+   * @throws SourceException if an exception occurred
+   */
+  public abstract Optional<PValue> getValue(ZonedDateTime time) throws SourceException;
+
+  /** Returns the load profile of this source. */
+  public abstract P getLoadProfile();
+
+  /** Returns the maximal power value of the time series */
+  public abstract Optional<ComparableQuantity<Power>> getMaxPower();
+
+  /** Returns the load profile energy scaling for this load profile time series. */
+  public abstract Optional<ComparableQuantity<Energy>> getLoadProfileEnergyScaling();
+
+  /**
+   * Method to read in the build-in {@link BdewStandardLoadProfile}s.
+   *
+   * @return a map: load profile to load profile source
+   */
+  public static Map<
+          BdewStandardLoadProfile, CsvLoadProfileSource<BdewStandardLoadProfile, BdewLoadValues>>
+      getBdewLoadProfiles() throws SourceException {
+    CsvDataSource buildInSource = getBuildInSource(LoadProfileSource.class, "/load");
+
+    BdewLoadProfileFactory factory = new BdewLoadProfileFactory();
+
+    return buildInSource
+        .getCsvLoadProfileMetaInformation(BdewStandardLoadProfile.values())
+        .values()
+        .stream()
+        .map(
+            metaInformation ->
+                new CsvLoadProfileSource<>(
+                    buildInSource, metaInformation, BdewLoadValues.class, factory))
+        .collect(Collectors.toMap(CsvLoadProfileSource::getLoadProfile, Function.identity()));
+  }
+
+  /**
+   * Method to read in the build-in {@link RandomLoadProfileTimeSeries}.
+   *
+   * @return the random load profile source
+   */
+  public static CsvLoadProfileSource<LoadProfile.RandomLoadProfile, RandomLoadValues>
+      getRandomLoadProfile() throws SourceException {
+    CsvDataSource buildInSource = getBuildInSource(LoadProfileSource.class, "/load");
+
+    CsvLoadProfileMetaInformation metaInformation =
+        buildInSource.getCsvLoadProfileMetaInformation(RANDOM_LOAD_PROFILE).values().stream()
+            .findAny()
+            .orElseThrow();
+    return new CsvLoadProfileSource<>(
+        buildInSource, metaInformation, RandomLoadValues.class, new RandomLoadProfileFactory());
+  }
+}

src/main/java/edu/ie3/datamodel/io/source/TimeSeriesMetaInformationSource.java

@@ -7,26 +7,52 @@
 
 import edu.ie3.datamodel.io.naming.timeseries.ColumnScheme;
 import edu.ie3.datamodel.io.naming.timeseries.IndividualTimeSeriesMetaInformation;
+import edu.ie3.datamodel.io.naming.timeseries.LoadProfileMetaInformation;
+import edu.ie3.datamodel.models.profile.LoadProfile;
+import java.util.Collections;
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 
 /** Source for all available time series with their {@link UUID} and {@link ColumnScheme} */
-public interface TimeSeriesMetaInformationSource {
+public abstract class TimeSeriesMetaInformationSource {
+
+  protected Map<String, LoadProfileMetaInformation> loadProfileMetaInformation;
 
   /**
    * Get a mapping from time series {@link UUID} to its meta information {@link
    * IndividualTimeSeriesMetaInformation}
    *
    * @return that mapping
    */
-  Map<UUID, IndividualTimeSeriesMetaInformation> getTimeSeriesMetaInformation();
+  public abstract Map<UUID, IndividualTimeSeriesMetaInformation> getTimeSeriesMetaInformation();
 
   /**
    * Get an option on the given time series meta information
    *
    * @param timeSeriesUuid Unique identifier of the time series in question
    * @return An Option on the meta information
    */
-  Optional<IndividualTimeSeriesMetaInformation> getTimeSeriesMetaInformation(UUID timeSeriesUuid);
+  public abstract Optional<IndividualTimeSeriesMetaInformation> getTimeSeriesMetaInformation(
+      UUID timeSeriesUuid);
+
+  /**
+   * Gat a mapping from load profile to {@link LoadProfileMetaInformation}.
+   *
+   * @return that mapping
+   */
+  public Map<String, LoadProfileMetaInformation> getLoadProfileMetaInformation() {
+    return Collections.unmodifiableMap(loadProfileMetaInformation);
+  }
+
+  /**
+   * Get an option on the given time series meta information
+   *
+   * @param loadProfile load profile of the time series in question
+   * @return An Option on the meta information
+   */
+  public Optional<LoadProfileMetaInformation> getLoadProfileMetaInformation(
+      LoadProfile loadProfile) {
+    return Optional.ofNullable(loadProfileMetaInformation.get(loadProfile.getKey()));
+  }
 }

src/main/java/edu/ie3/datamodel/io/source/csv/CsvDataSource.java

@@ -8,12 +8,15 @@
 import edu.ie3.datamodel.exceptions.SourceException;
 import edu.ie3.datamodel.io.connectors.CsvFileConnector;
 import edu.ie3.datamodel.io.csv.CsvIndividualTimeSeriesMetaInformation;
+import edu.ie3.datamodel.io.csv.CsvLoadProfileMetaInformation;
 import edu.ie3.datamodel.io.naming.FileNamingStrategy;
 import edu.ie3.datamodel.io.naming.TimeSeriesMetaInformation;
 import edu.ie3.datamodel.io.naming.timeseries.ColumnScheme;
 import edu.ie3.datamodel.io.naming.timeseries.IndividualTimeSeriesMetaInformation;
+import edu.ie3.datamodel.io.naming.timeseries.LoadProfileMetaInformation;
 import edu.ie3.datamodel.io.source.DataSource;
 import edu.ie3.datamodel.models.Entity;
+import edu.ie3.datamodel.models.profile.LoadProfile;
 import edu.ie3.datamodel.utils.Try;
 import edu.ie3.datamodel.utils.Try.Failure;
 import edu.ie3.datamodel.utils.Try.Success;
@@ -25,6 +28,7 @@
 import java.nio.file.Path;
 import java.util.*;
 import java.util.function.Function;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 import java.util.stream.Stream;
@@ -118,7 +122,8 @@ public FileNamingStrategy getNamingStrategy() {
    */
   public Map<UUID, CsvIndividualTimeSeriesMetaInformation>
       getCsvIndividualTimeSeriesMetaInformation(final ColumnScheme... columnSchemes) {
-    return getIndividualTimeSeriesFilePaths().parallelStream()
+    return getTimeSeriesFilePaths(fileNamingStrategy.getIndividualTimeSeriesPattern())
+        .parallelStream()
         .map(
             filePath -> {
               /* Extract meta information from file path and enhance it with the file path itself */
@@ -136,13 +141,41 @@ public FileNamingStrategy getNamingStrategy() {
         .collect(Collectors.toMap(TimeSeriesMetaInformation::getUuid, Function.identity()));
   }
 
+  /**
+   * Receive the information for specific load profile time series. They are given back mapped to
+   * their uuid.
+   *
+   * @return A mapping from profile to the load profile time series meta information
+   */
+  public Map<String, CsvLoadProfileMetaInformation> getCsvLoadProfileMetaInformation(
+      LoadProfile... profiles) {
+    return getTimeSeriesFilePaths(fileNamingStrategy.getLoadProfileTimeSeriesPattern())
+        .parallelStream()
+        .map(
+            filePath -> {
+              /* Extract meta information from file path and enhance it with the file path itself */
+              LoadProfileMetaInformation metaInformation =
+                  fileNamingStrategy.loadProfileTimeSeriesMetaInformation(filePath.toString());
+              return new CsvLoadProfileMetaInformation(
+                  metaInformation, FileNamingStrategy.removeFileNameEnding(filePath.getFileName()));
+            })
+        .filter(
+            metaInformation ->
+                profiles == null
+                    || profiles.length == 0
+                    || Stream.of(profiles)
+                        .anyMatch(profile -> profile.getKey().equals(metaInformation.getProfile())))
+        .collect(Collectors.toMap(LoadProfileMetaInformation::getProfile, Function.identity()));
+  }
+
   /**
    * Returns a set of relative paths strings to time series files, with respect to the base folder
    * path
    *
+   * @param pattern for matching the time series
    * @return A set of relative paths to time series files, with respect to the base folder path
    */
-  protected Set<Path> getIndividualTimeSeriesFilePaths() {
+  protected Set<Path> getTimeSeriesFilePaths(Pattern pattern) {
     Path baseDirectory = connector.getBaseDirectory();
     try (Stream<Path> pathStream = Files.walk(baseDirectory)) {
       return pathStream
@@ -151,10 +184,7 @@ protected Set<Path> getIndividualTimeSeriesFilePaths() {
               path -> {
                 Path withoutEnding =
                     Path.of(FileNamingStrategy.removeFileNameEnding(path.toString()));
-                return fileNamingStrategy
-                    .getIndividualTimeSeriesPattern()
-                    .matcher(withoutEnding.toString())
-                    .matches();
+                return pattern.matcher(withoutEnding.toString()).matches();
               })
           .collect(Collectors.toSet());
     } catch (IOException e) {