org.apache.mahout.math.indexeddataset

Writer

trait Writer[T] extends AnyRef

Writer trait is abstract in the sense that the writer method must be supplied by an extending trait, which also defines the type to be written.

T

type of object to write, usually a matrix type thing.

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Abstract Value Members

  1. abstract val mc: DistributedContext

  2. abstract val sort: Boolean

  3. abstract val writeSchema: Schema

  4. abstract def writer(mc: DistributedContext, writeSchema: Schema, dest: String, collection: T, sort: Boolean): Unit

    Override to provide writer method

    Override to provide writer method

    mc

    context used to do distributed write

    writeSchema

    map with params to control format and execution of the write

    dest

    root directory to write to

    collection

    usually a matrix like collection to write

    sort

    flags whether to sort the rows by value descending

    Attributes
    protected

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

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

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

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

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

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  22. def writeTo(collection: T, dest: String): Unit

    Call this method to perform the write, usually no need to override.

    Call this method to perform the write, usually no need to override.

    collection

    what to write

    dest

    root directory to write to

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