Class

org.locationtech.geomesa.index.iterators.ArrowScan

BatchReducer

Related Doc: package ArrowScan

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class BatchReducer extends FeatureReducer

Reduce function for batches with a common schema.

First feature contains metadata for arrow file and dictionary batch, subsequent features contain record batches, final feature contains EOF indicator

Linear Supertypes
FeatureReducer, SerializableState, AnyRef, Any
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Inherited
  1. BatchReducer
  2. FeatureReducer
  3. SerializableState
  4. AnyRef
  5. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new BatchReducer()

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  2. new BatchReducer(sft: SimpleFeatureType, dictionaries: Map[String, ArrowDictionary], encoding: SimpleFeatureEncoding, batchSize: Int, sort: Option[(String, Boolean)])

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    sft

    simple feature type

    dictionaries

    dictionaries

    encoding

    encoding

    batchSize

    batch size

    sort

    sort

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. def apply(features: CloseableIterator[SimpleFeature]): CloseableIterator[SimpleFeature]

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    Reduce the results of a scan

    Reduce the results of a scan

    features

    features

    Definition Classes
    BatchReducer → FeatureReducer

  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  6. def canEqual(other: Any): Boolean

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  7. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  8. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  9. def equals(other: Any): Boolean

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    Definition Classes
    BatchReducer → AnyRef → Any

  10. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  11. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any

  12. def hashCode(): Int

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    Definition Classes
    BatchReducer → AnyRef → Any

  13. def init(state: Map[String, String]): Unit

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    Initialize an instance after deserialization

    Initialize an instance after deserialization

    state

    state

    Definition Classes
    BatchReducer → SerializableState

  14. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  15. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  16. final def notify(): Unit

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    Definition Classes
    AnyRef

  17. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  18. def state: Map[String, String]

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    The state used to serialize this instance

    The state used to serialize this instance

    Definition Classes
    BatchReducer → SerializableState

  19. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  20. def toString(): String

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    Definition Classes
    AnyRef → Any

  21. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  22. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  23. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from FeatureReducer

Inherited from SerializableState

Inherited from AnyRef

Inherited from Any

Ungrouped