Enhancing the LoadProfileSource to return the resolution

Author: staudtMarius

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Enhanced check for invalid field names in sources [#1383](https://github.com/ie3-institute/PowerSystemDataModel/issues/1383)
 - Enhancing value retrieval in `TimeSeriesSource` [1280](https://github.com/ie3-institute/PowerSystemDataModel/issues/1280)
+- Enhancing the `LoadProfileSource` to return the resolution [1288](https://github.com/ie3-institute/PowerSystemDataModel/issues/1288)
 
 ### Fixed
 

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

@@ -88,6 +88,17 @@ protected Try<LoadProfileEntry<V>, FactoryException> createEntries(
   /** Returns the load profile energy scaling for this load profile time series. */
   public abstract Optional<ComparableQuantity<Energy>> getLoadProfileEnergyScaling();
 
+  /**
+   * Returns the resolution for the given {@link LoadProfile}.
+   *
+   * @param loadProfile given load profile
+   * @return the resolution in seconds.
+   */
+  public static long getResolution(LoadProfile loadProfile) {
+    // currently all registered profiles and all sources use 15 minutes intervals
+    return 900L;
+  }
+
   /**
    * Method to read in the build-in {@link BdewStandardLoadProfile}s.
    *