com.twitter.scalding

FileSource

abstract class FileSource extends SchemedSource with LocalSourceOverride with HfsTapProvider

This is a base class for File-based sources

Linear Supertypes
HfsTapProvider, LocalSourceOverride, SchemedSource, Source, Serializable, AnyRef, Any
Known Subclasses
CodecSource, Csv, DailyPrefixSuffixMostRecentSource, DailyPrefixSuffixSource, DailySuffixCsv, DailySuffixMostRecentCsv, DailySuffixMostRecentSource, DailySuffixSource, DailySuffixTsv, DailySuffixTypedTsv, FixedPathSource, FixedPathTypedDelimited, FixedTypedText, HourlySuffixCsv, HourlySuffixMostRecentSource, HourlySuffixSource, HourlySuffixTsv, HourlySuffixTypedTsv, MostRecentGoodSource, MostRecentTypedText, MultipleDelimitedFiles, MultipleSequenceFiles, MultipleTextLineFiles, MultipleTsvFiles, MultipleWritableSequenceFiles, OffsetTextLine, Osv, SequenceFile, SuccessFileSource, TextLine, TimePathTypedText, TimePathedSource, TimeSeqPathedSource, Tsv, TypedSequenceFile, WritableSequenceFile
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Inherited
  1. FileSource
  2. HfsTapProvider
  3. LocalSourceOverride
  4. SchemedSource
  5. Source
  6. Serializable
  7. AnyRef
  8. Any
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Visibility
  1. Public
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Instance Constructors

  1. new FileSource()

Abstract Value Members

  1. abstract def hdfsPaths: Iterable[String]

  2. abstract def localPaths: Iterable[String]

    A path to use for the local tap.

    A path to use for the local tap.

    Definition Classes
    LocalSourceOverride

Concrete Value Members

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

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

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

    Definition Classes
    Any

  6. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  7. def checkFlowDefNotNull()(implicit flowDef: FlowDef, mode: Mode): Unit

    Attributes
    protected
    Definition Classes
    Source

  8. def clone(): AnyRef

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

  9. def createHdfsReadTap(hdfsMode: Hdfs): Tap[JobConf, _, _]

    Attributes
    protected

  10. def createHfsTap(scheme: Scheme[JobConf, RecordReader[_, _], OutputCollector[_, _], _, _], path: String, sinkMode: SinkMode): Hfs

    Definition Classes
    HfsTapProvider

  11. def createLocalTap(sinkMode: SinkMode): Tap[JobConf, _, _]

    Creates a local tap.

    Creates a local tap.

    sinkMode

    The mode for handling output conflicts.

    Definition Classes
    LocalSourceOverride

  12. def createTap(readOrWrite: AccessMode)(implicit mode: Mode): Tap[_, _, _]

    Subclasses of Source MUST override this method.

    Subclasses of Source MUST override this method. They may call out to TestTapFactory for making Taps suitable for testing.

    Definition Classes
    FileSource → Source

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

    Definition Classes
    AnyRef

  14. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  15. def finalize(): Unit

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

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

    Definition Classes
    AnyRef → Any

  17. def goodHdfsPaths(hdfsMode: Hdfs): Iterable[String]

    Attributes
    protected

  18. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  19. def hdfsReadPathsAreGood(conf: Configuration): Boolean

    Attributes
    protected

  20. def hdfsScheme: Scheme[JobConf, RecordReader[_, _], OutputCollector[_, _], _, _]

    The scheme to use if the source is on hdfs.

    The scheme to use if the source is on hdfs.

    Definition Classes
    SchemedSource

  21. def hdfsWritePath: String

  22. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  23. def localScheme: Scheme[Properties, InputStream, OutputStream, _, _]

    The scheme to use if the source is local.

    The scheme to use if the source is local.

    Definition Classes
    SchemedSource

  24. def localWritePath: String

    Definition Classes
    LocalSourceOverride

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

    Definition Classes
    AnyRef

  26. final def notify(): Unit

    Definition Classes
    AnyRef

  27. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  28. def pathIsGood(p: String, conf: Configuration): Boolean

    Determines if a path is 'valid' for this source.

    Determines if a path is 'valid' for this source. In strict mode all paths must be valid. In non-strict mode, all invalid paths will be filtered out.

    Subclasses can override this to validate paths.

    The default implementation is a quick sanity check to look for missing or empty directories. It is necessary but not sufficient -- there are cases where this will return true but there is in fact missing data.

    TODO: consider writing a more in-depth version of this method in TimePathedSource that looks for TODO: missing days / hours etc.

    Attributes
    protected

  29. def read(implicit flowDef: FlowDef, mode: Mode): Pipe

    Definition Classes
    Source

  30. val sinkMode: SinkMode

    Definition Classes
    SchemedSource

  31. def sourceId: String

    This is a name the refers to this exact instance of the source (put another way, if s1.

    This is a name the refers to this exact instance of the source (put another way, if s1.sourceId == s2.sourceId, the job should work the same if one is replaced with the other

    Definition Classes
    Source

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

    Definition Classes
    AnyRef

  33. def toString(): String

    Definition Classes
    AnyRef → Any

  34. def transformForRead(pipe: Pipe): Pipe

    Attributes
    protected
    Definition Classes
    Source

  35. def transformForWrite(pipe: Pipe): Pipe

    Attributes
    protected
    Definition Classes
    Source

  36. def transformInTest: Boolean

    The mock passed in to scalding.

    The mock passed in to scalding.JobTest may be considered as a mock of the Tap or the Source. By default, as of 0.9.0, it is considered as a Mock of the Source. If you set this to true, the mock in TestMode will be considered to be a mock of the Tap (which must be transformed) and not the Source.

    Definition Classes
    Source

  37. def validateTaps(mode: Mode): Unit

    Definition Classes
    FileSource → Source

  38. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  41. def writeFrom(pipe: Pipe)(implicit flowDef: FlowDef, mode: Mode): Pipe

    write the pipe but return the input so it can be chained into the next operation

    write the pipe but return the input so it can be chained into the next operation

    Definition Classes
    Source

Deprecated Value Members

  1. def readAtSubmitter[T](implicit mode: Mode, conv: TupleConverter[T]): Stream[T]

    Definition Classes
    Source
    Annotations
    @deprecated
    Deprecated

    (Since version 0.9.0) replace with Mappable.toIterator

Inherited from HfsTapProvider

Inherited from LocalSourceOverride

Inherited from SchemedSource

Inherited from Source

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

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