Trait/Object

org.locationtech.geomesa.arrow.io

SimpleFeatureArrowFileReader

Related Docs: object SimpleFeatureArrowFileReader | package io

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trait SimpleFeatureArrowFileReader extends Closeable

For reading simple features from an arrow file written by SimpleFeatureArrowFileWriter.

Expects arrow streaming format (no footer). Can handle multiple 'files' in a single input stream

Linear Supertypes
Closeable, AutoCloseable, AnyRef, Any
Known Subclasses
CachingSimpleFeatureArrowFileReader, StreamingSimpleFeatureArrowFileReader
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  1. SimpleFeatureArrowFileReader
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Abstract Value Members

  1. abstract def close(): Unit

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    Definition Classes
    Closeable → AutoCloseable
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    @throws( classOf[java.io.IOException] )

  2. abstract def dictionaries: Map[String, ArrowDictionary]

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    Dictionaries from the file.

    Dictionaries from the file. Note: this may change as features are read, if there are multiple logical 'files' in the input stream. This method is exposed for completeness, but generally would not be needed since dictionary values are automatically decoded into the returned simple features.

    returns

    current dictionaries, keyed by attribute

  3. abstract def features(filter: Filter = Filter.INCLUDE): Iterator[ArrowSimpleFeature] with Closeable

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    Reads features from the underlying arrow file

    Reads features from the underlying arrow file

    filter

    filter to apply

  4. abstract def sft: SimpleFeatureType

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    The simple feature type for the file.

    The simple feature type for the file. Note: this may change as features are read, if there are multiple logical 'files' in the input stream. By convention, we keep a single file with a single sft, but that is not enforced.

    returns

    current simple feature type

  5. abstract def vectors: Seq[SimpleFeatureVector]

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Concrete Value Members

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

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  2. final def ##(): Int

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

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  4. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )

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

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toString(): String

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  17. final def wait(): Unit

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

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

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Inherited from Closeable

Inherited from AutoCloseable

Inherited from AnyRef

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