com.intenthq.pucket

PucketCompanion

trait PucketCompanion extends AnyRef

Trait for using with Pucket implementations' companion objects describes functions for creating, or finding puckets on a filesystem

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Type Members

  1. abstract type DescriptorType[T <: HigherType]

  2. abstract type HigherType

  3. abstract type V

Abstract Value Members

  1. abstract def apply[T <: HigherType](path: Path, fs: FileSystem, other: V, blockSize: Int): \/[Throwable, Pucket[T]]

    Find an existing pucket on the filesystem

    Find an existing pucket on the filesystem

    T

    the expected type of the pucket data

    path

    the path to the pucket

    fs

    hadoop filesystem instance

    other

    the implementing object's parameter for verifying the found pucket matches expect format

    blockSize

    the size of a parquet block before memory is flushed

    returns

    an error if any of the validation fails or the pucket

  2. abstract def create[T <: HigherType](path: Path, fs: FileSystem, descriptor: DescriptorType[T], blockSize: Int): \/[Throwable, Pucket[T]]

    Create a new pucket

    Create a new pucket

    T

    the type of the pucket data

    path

    the path to the pucket

    fs

    hadoop filesystem instance

    descriptor

    a descriptor to create a new pucket with

    blockSize

    the size of a parquet block before memory is flushed

    returns

    an error if any of the validation fails or the new pucket

  3. abstract def findOrCreate[T <: HigherType](path: Path, fs: FileSystem, descriptor: DescriptorType[T], blockSize: Int): \/[Throwable, Pucket[T]]

    Find an existing pucket or create one if it does not exist

    Find an existing pucket or create one if it does not exist

    T

    the expected type of the pucket data

    path

    the path to the pucket

    fs

    hadoop filesystem instance

    descriptor

    a descriptor to create a new pucket with or validate an existing pucket against

    blockSize

    the size of a parquet block before memory is flushed

    returns

    an error if any of the validation fails or the pucket

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