Packages

trait DataLoader[Id, +T] extends AnyRef

An abstract loader type.

Id

Key type used to load data with this loader.

T

The type of data loaded.

Annotations
@deprecated
Deprecated

(Since version SDK 2.54) Use methods based on OptimizedMapLayers instead.

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AnyRef, Any
Known Subclasses
AbstractDataLoaderDecorator, AbstractTileLoaderDecorator, TileLoader, TransformingTileLoader, CachingDataLoader, CachingTileLoader, LRUCachingDataLoader, LRUCachingTileLoader
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Abstract Value Members

  1. abstract def catalogHrn: HRN
  2. abstract def catalogVersion: Long
  3. abstract def get(partition: Id): Option[T]

    Gets data for a single partition.

    Gets data for a single partition.

    partition

    The partition to retrieve the data for

    returns

    The data of the successfully loaded partition, or None

  4. abstract def getAll(partitions: Iterable[Id]): Iterable[(Id, Option[T])]

    Gets data for partitions.

    Gets data for partitions.

    partitions

    The partitions to retrieve the data for

    returns

    The data associated with the successfully loaded partitions, or None

  5. abstract def layerName: String
  6. abstract def partitionIds: Iterator[Id]

    Gets the partition IDs available from this loader.

    Gets the partition IDs available from this loader.

    This will only return partition IDs for which the DataLoader#get method will return a non-empty value.

  7. abstract def partitioning: LayerPartitioning

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