WritableSequenceFile

Instance Constructors

new WritableSequenceFile(p: String, f: Fields, sinkMode: SinkMode = cascading.tap.SinkMode.REPLACE)(implicit arg0: Manifest[K], arg1: Manifest[V])

Value Members

final def !=(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def !=(arg0: Any): Boolean

Definition Classes
Any
final def ##(): Int

Definition Classes
AnyRef → Any
final def ==(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def ==(arg0: Any): Boolean

Definition Classes
Any
def andThen[U](fn: ((K, V)) ⇒ U): typed.TypedSource[U]

Transform this TypedSource into another by mapping after.
Transform this TypedSource into another by mapping after. We don't call this map because of conflicts with Mappable, unfortunately

Definition Classes
TypedSource
final def asInstanceOf[T0]: T0

Definition Classes
Any
def checkFlowDefNotNull()(implicit flowDef: FlowDef, mode: Mode): Unit

Attributes
protected
Definition Classes
Source
def clone(): AnyRef

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( ... )
def contraMap[U](fn: (U) ⇒ (K, V)): typed.TypedSink[U]

Transform this sink into another type by applying a function first
Transform this sink into another type by applying a function first

Definition Classes
TypedSink
def converter[U >: (K, V)]: TupleConverter[U]

Because TupleConverter cannot be covariant, we need to jump through this hoop.
Because TupleConverter cannot be covariant, we need to jump through this hoop. A typical implementation might be: (implicit conv: TupleConverter[T]) and then:
override def converter[U >: T] = TupleConverter.asSuperConverter[T, U](conv)

Definition Classes
WritableSequenceFile → TypedSource
def createHdfsReadTap(hdfsMode: Hdfs): Tap[JobConf, _, _]

Attributes
protected
Definition Classes
FileSource
def createHfsTap(scheme: Scheme[JobConf, RecordReader[_, _], OutputCollector[_, _], _, _], path: String, sinkMode: SinkMode): Hfs

Definition Classes
HfsTapProvider
def createLocalTap(sinkMode: SinkMode): Tap[JobConf, _, _]

Creates a local tap.
Creates a local tap.
sinkMode
The mode for handling output conflicts.

Definition Classes
LocalTapSource → LocalSourceOverride
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
final def eq(arg0: AnyRef): Boolean

Definition Classes
AnyRef
def equals(that: Any): Boolean

Definition Classes
FixedPathSource → AnyRef → Any
val f: Fields
val fields: Fields

There are three allowed cases: fields.
There are three allowed cases: fields.size == 1 and keyType == null fields.size == 1 and valueType == null fields.size == 2 and keyType != null and valueType != null

Definition Classes
WritableSequenceFile → WritableSequenceFileScheme
def finalize(): Unit

Attributes
protected[java.lang]
Definition Classes
AnyRef
Annotations
@throws( classOf[java.lang.Throwable] )
final def getClass(): Class[_]

Definition Classes
AnyRef → Any
def goodHdfsPaths(hdfsMode: Hdfs): Iterable[String]

Attributes
protected
Definition Classes
FileSource
def hashCode(): Int

Definition Classes
FixedPathSource → AnyRef → Any
def hdfsPaths: Iterable[String]

Definition Classes
FixedPathSource → FileSource
def hdfsReadPathsAreGood(conf: Configuration): Boolean

Attributes
protected
Definition Classes
FileSource
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
WritableSequenceFileScheme → SchemedSource
def hdfsWritePath: String

Definition Classes
FixedPathSource → FileSource
final def isInstanceOf[T0]: Boolean

Definition Classes
Any
val keyType: Class[_ <: Writable]

Definition Classes
WritableSequenceFile → WritableSequenceFileScheme
def localPaths: Iterable[String]

A path to use for the local tap.
A path to use for the local tap.

Definition Classes
FixedPathSource → LocalSourceOverride
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
def localWritePath: String

Definition Classes
LocalSourceOverride
final def ne(arg0: AnyRef): Boolean

Definition Classes
AnyRef
final def notify(): Unit

Definition Classes
AnyRef
final def notifyAll(): Unit

Definition Classes
AnyRef
val p: String
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
Definition Classes
FileSource
def read(implicit flowDef: FlowDef, mode: Mode): Pipe

Definition Classes
Source
def setter[U <: (K, V)]: TupleSetter[U]

Definition Classes
WritableSequenceFile → TypedSink
def sinkFields: Fields

Definition Classes
WritableSequenceFile → TypedSink
val sinkMode: SinkMode

Definition Classes
WritableSequenceFile → SchemedSource
def sourceFields: Fields

Definition Classes
WritableSequenceFile → TypedSource
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
def stripTrailing(path: String): String

Similar in behavior to TimePathedSource.writePathFor.
Similar in behavior to TimePathedSource.writePathFor. Strip out the trailing slash star.

Attributes
protected
Definition Classes
FixedPathSource
final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes
AnyRef
def toString(): String

Definition Classes
FixedPathSource → AnyRef → Any
def transformForRead(pipe: Pipe): Pipe

Attributes
protected
Definition Classes
Source
def transformForWrite(pipe: Pipe): Pipe

Attributes
protected
Definition Classes
Source
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
def validateTaps(mode: Mode): Unit

Definition Classes
FileSource → Source
val valueType: Class[_ <: Writable]

Definition Classes
WritableSequenceFile → WritableSequenceFileScheme
final def wait(): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long, arg1: Int): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
final def wait(arg0: Long): Unit

Definition Classes
AnyRef
Annotations
@throws( ... )
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

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

Instance Constructors

new WritableSequenceFile(p: String, f: Fields, sinkMode: SinkMode = cascading.tap.SinkMode.REPLACE)(implicit arg0: Manifest[K], arg1: Manifest[V])

Value Members

final def !=(arg0: AnyRef): Boolean

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: AnyRef): Boolean

final def ==(arg0: Any): Boolean

def andThen[U](fn: ((K, V)) ⇒ U): typed.TypedSource[U]

final def asInstanceOf[T0]: T0

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

def clone(): AnyRef

def contraMap[U](fn: (U) ⇒ (K, V)): typed.TypedSink[U]

def converter[U >: (K, V)]: TupleConverter[U]

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

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

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

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

final def eq(arg0: AnyRef): Boolean

def equals(that: Any): Boolean

val f: Fields

val fields: Fields

def finalize(): Unit

final def getClass(): Class[_]

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

def hashCode(): Int

def hdfsPaths: Iterable[String]

def hdfsReadPathsAreGood(conf: Configuration): Boolean

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

def hdfsWritePath: String

final def isInstanceOf[T0]: Boolean

val keyType: Class[_ <: Writable]

def localPaths: Iterable[String]

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

def localWritePath: String

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val p: String

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

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

def setter[U <: (K, V)]: TupleSetter[U]

def sinkFields: Fields

val sinkMode: SinkMode

def sourceFields: Fields

def sourceId: String

def stripTrailing(path: String): String

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

def toString(): String

def transformForRead(pipe: Pipe): Pipe

def transformForWrite(pipe: Pipe): Pipe

def transformInTest: Boolean

def validateTaps(mode: Mode): Unit

val valueType: Class[_ <: Writable]

final def wait(): Unit

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

final def wait(arg0: Long): Unit

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

Deprecated Value Members

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

Inherited from Serializable

Inherited from Product

Inherited from Equals

Inherited from typed.TypedSource[(K, V)]

Inherited from typed.TypedSink[(K, V)]

Inherited from LocalTapSource

Inherited from WritableSequenceFileScheme

Inherited from FixedPathSource

Inherited from FileSource

Inherited from HfsTapProvider

Inherited from LocalSourceOverride

Inherited from SchemedSource

Inherited from Source

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped