Package com.here.platform.data.client.v2.adapter.javadsl

Interface DataApiVersionedAdapter

public interface DataApiVersionedAdapter
DataApiCatalogFacade is the adapter to interact with the HERE data service.

It is the single point of access used by the data-client-v2 library to interact with the HERE Data service.

  • Method Details

    • getBlob

      InputStream getBlob(String layer, String dataHandle, AdditionalField[] additionalFields)
      Retrieve the blob data as an input stream.

      Parameters:
      layer - Layer id to which the blob belongs to.
      dataHandle - Data handle identifies a specific blob so that you can get that blob's contents.
      additionalFields - Collection of retrieved additional fields which can optionally be used for example to perform extra validation (e.g. checksum).

      Returns:
      Returns an InputStream of the blob data.

    • getLayers

      Iterator<VersionedLayer> getLayers()
      Fetch layer configuration.

      Returns:
      Returns an iterator with the layer configuration.

    • getPartitions

      Iterator<Partition> getPartitions(String layer, long version, List<String> additionalFields)
      List all partitions.

      Parameters:
      layer - Layer id to which the blob belongs to.
      version - Catalog version.
      additionalFields - collection of additional fields ids to retrieve.
      Returns:
      Returns an iterator with the partitions.

    • getPartitionsById

      Iterator<Partition> getPartitionsById(String layer, long version, List<String> partitions, List<String> additionalFields)
      Get the metadata (Partition) for a list of partitions from the data service.

      Parameters:
      layer - Layer id for which we want to retrieve partition metadata.
      version - Catalog version.
      partitions - collection of partition ids to retrieve.
      additionalFields - collection of additional fields ids to retrieve.
      Returns:
      Returns the metadata for the available partitions.