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com.here.platform.data.processing.driver.impl.executors

MapGroupToRefTreeWrapper1ToN

class MapGroupToRefTreeWrapper1ToN[T] extends MapGroupToRefTreeWrapperBase[T] with CompileOut1ToNFn[T]

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Inherited
  1. MapGroupToRefTreeWrapper1ToN
  2. CompileOut1ToNFn
  3. MapGroupToRefTreeWrapperBase
  4. CompileInFnWithRefs
  5. RefTreeCompiler
  6. CompileOutFn
  7. OutputOptPartitioner
  8. OutputLayers
  9. CompileInFn
  10. ResolveInFn
  11. Serializable
  12. Serializable
  13. InputOptPartitioner
  14. InputLayers
  15. AnyRef
  16. Any
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Visibility
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Instance Constructors

  1. new MapGroupToRefTreeWrapper1ToN(compiler: MapGroupCompiler[T] with CompileOut1ToNFn[T])(implicit arg0: ClassTag[T])

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  6. def compileInFn(in: (InKey, InMeta), refs: Map[InKey, InMeta]): Iterable[(OutKey, T)]

    Calculates the dependent output partitions and intermediate results from a single input partition.

    Calculates the dependent output partitions and intermediate results from a single input partition.

    in

    the input partition to process

    refs

    All references that are required to process the input partition

    returns

    All the impacted output partitions com.here.platform.data.processing.compiler.OutKey and intermediate data of type T for this partition. It may contain more than one element per output key. compileOutFn will only be called for outKeys which have at least one intermediate value from this phase. Other outKeys will be automatically deleted.

    Definition Classes
    MapGroupToRefTreeWrapperBaseCompileInFnWithRefs
  7. final val compileInFnDefined: Unit

    Must be overridden as final by all subclasses, to block the mixin of different interfaces in the same compiler class.

    Must be overridden as final by all subclasses, to block the mixin of different interfaces in the same compiler class.

    Definition Classes
    CompileInFnWithRefs
  8. def compileOutFn(outKey: OutKey, intermediate: Iterable[T]): Map[OutKey, Payload]

    Compiles a single output partition.

    Compiles a single output partition.

    outKey

    the key of the output partition to generate

    intermediate

    non-empty scala.Iterable of intermediate data as provided by compileInFn which is required to compile the output partition. This collection will have multiple entries of the same value in case the same value was returned for this outKey by multiple compileInFn executions (for different input keys). outKeys which do not have any intermediate values assigned from the compileInFn calls get deleted automatically.

    returns

    output keys and their com.here.platform.data.processing.blobstore.Payload for each partition that contains data. Any old data for keys returned by compileOutMapping but not returned here will be automatically deleted from the catalog.

    Definition Classes
    MapGroupToRefTreeWrapper1ToNCompileOut1ToNFn
  9. final def compileOutFnDefined(): Unit

    Must be overridden as final by all subclasses, to block the mixin of different interfaces in the same compiler class and to assure that at least one child interface is mixed in.

    Must be overridden as final by all subclasses, to block the mixin of different interfaces in the same compiler class and to assure that at least one child interface is mixed in.

    Attributes
    protected
    Definition Classes
    CompileOut1ToNFnCompileOutFn
  10. def compileOutMapping(outKey: OutKey): Set[OutKey]

    Defines which output keys the compile out function will generate for a given output key of the intermediate data.

    Defines which output keys the compile out function will generate for a given output key of the intermediate data.

    outKey

    the output key in the intermediate data

    returns

    Set of output keys that will be generated. Usually should contain outKey as well, unless the compileOutFn will not generate output with that key.

    Definition Classes
    MapGroupToRefTreeWrapper1ToNCompileOut1ToNFn
  11. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  13. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  14. val flatInLayers: Seq[(Id, Id)]
    Definition Classes
    MapGroupToRefTreeWrapperBase
  15. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  16. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @native()
  17. def inLayers: Map[Id, Set[Id]]

    Represents layers of the input catalogs that you should query and provide to the compiler.

    Represents layers of the input catalogs that you should query and provide to the compiler. These layers are grouped by input catalog and identified by catalog ID and layer ID.

    Definition Classes
    MapGroupToRefTreeWrapperBaseInputLayers
  18. def inPartitioner(parallelism: Int): Option[Partitioner[InKey]]

    Specifies the partitioner to use when querying the input catalogs.

    Specifies the partitioner to use when querying the input catalogs. If no partitioner is provided, by returning None from this function, then the Executor uses the default partitioner.

    parallelism

    The number of partitions the partitioner should partition the catalog into, this should match the parallelism of the Spark RDD containing the input partitions.

    returns

    The optional input partitioner with the parallelism specified.

    Definition Classes
    MapGroupToRefTreeWrapperBaseInputOptPartitioner
  19. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  20. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  21. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  22. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @native()
  23. final val outCatalogId: Id

    Identifier for the output catalog.

    Identifier for the output catalog.

    Definition Classes
    OutputLayers
  24. def outLayers: Set[Id]

    Layers to be produced by the compiler.

    Layers to be produced by the compiler.

    Definition Classes
    MapGroupToRefTreeWrapperBaseOutputLayers
  25. def outPartitioner(parallelism: Int): Option[Partitioner[OutKey]]

    Specifies the partitioner to use when querying the output catalog and producing output data.

    Specifies the partitioner to use when querying the output catalog and producing output data. If no partitioner is provided, by returning None from this function, then the Executor uses the default partitioner.

    parallelism

    The number of partitions the partitioner should partition the catalog into, this should match the parallelism of the Spark RDD containing the output partitions.

    returns

    The optional output partitioner with the parallelism specified.

    Definition Classes
    MapGroupToRefTreeWrapperBaseOutputOptPartitioner
  26. def preservesPartitioning: Boolean

    Defines if all output keys generated by compileOutMapping are in the same Spark partition as the input parameter outKey.

    Defines if all output keys generated by compileOutMapping are in the same Spark partition as the input parameter outKey. This can be guaranteed by using a com.here.platform.data.processing.spark.partitioner.PartitionNamePartitioner and in this case true should be returned

    When this is set to true the result of compileOutFn will not be repartitioned, allowing a common stage with the upload functionality of the driver task.

    Definition Classes
    MapGroupToRefTreeWrapper1ToNCompileOut1ToNFn
  27. def refStructure: RefTree

    The refStructure defines the maximum reference tree of the source layers.

    The refStructure defines the maximum reference tree of the source layers.

    Definition Classes
    MapGroupToRefTreeWrapperBaseRefTreeCompiler
    See also

    com.here.platform.data.processing.compiler.reftree.RefTree for details.

  28. val refTree: RefTree
    Definition Classes
    MapGroupToRefTreeWrapperBase
  29. def resolveFn(src: (InKey, InMeta)): Map[RefName, Set[InKey]]

    Resolves the list of partitions in all the reference target layers based on the a source partition.

    Resolves the list of partitions in all the reference target layers based on the a source partition. The returned com.here.platform.data.processing.compiler.reftree.RefTree.RefName values for the references must be aligned with the values in the com.here.platform.data.processing.compiler.RefTreeCompiler.refStructure.

    src

    the source partition key and metadata

    Definition Classes
    MapGroupToRefTreeWrapperBaseResolveInFn
  30. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  31. def toString(): String
    Definition Classes
    AnyRef → Any
  32. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  33. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  34. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()

Inherited from CompileOut1ToNFn[T]

Inherited from MapGroupToRefTreeWrapperBase[T]

Inherited from CompileInFnWithRefs[T]

Inherited from RefTreeCompiler[T]

Inherited from CompileOutFn[T]

Inherited from OutputOptPartitioner

Inherited from OutputLayers

Inherited from CompileInFn[T]

Inherited from ResolveInFn

Inherited from Serializable

Inherited from Serializable

Inherited from InputOptPartitioner

Inherited from InputLayers

Inherited from AnyRef

Inherited from Any

Ungrouped