org.apache.crunch.types

Class TupleFactory<T extends Tuple>

java.lang.Object

org.apache.crunch.types.TupleFactory<T>

All Implemented Interfaces:

Serializable

public abstract class TupleFactory<T extends Tuple>
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static TupleFactory<Pair>	PAIR
static TupleFactory<Tuple3>	TUPLE3
static TupleFactory<Tuple4>	TUPLE4
static TupleFactory<TupleN>	TUPLEN

Constructor Summary

Constructors

Constructor and Description
TupleFactory()

Method Summary

Methods

Modifier and Type	Method and Description
static <T extends Tuple> TupleFactory<T>	create(Class<T> clazz, Class... typeArgs)
static <T extends Tuple> TupleFactory<T>	getTupleFactory(Class<T> tupleClass) Get the TupleFactory for a given Tuple implementation.
void	initialize()
abstract T	makeTuple(Object... values)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PAIR

public static final TupleFactory<Pair> PAIR

TUPLE3

public static final TupleFactory<Tuple3> TUPLE3

TUPLE4

public static final TupleFactory<Tuple4> TUPLE4

TUPLEN

public static final TupleFactory<TupleN> TUPLEN

Constructor Detail

TupleFactory

public TupleFactory()

Method Detail

initialize

public void initialize()

makeTuple

public abstract T makeTuple(Object... values)

getTupleFactory

public static <T extends Tuple> TupleFactory<T> getTupleFactory(Class<T> tupleClass)

Get the TupleFactory for a given Tuple implementation.

Parameters:

tupleClass - The class for which the factory is to be retrieved

Returns:

The appropriate TupleFactory

create

public static <T extends Tuple> TupleFactory<T> create(Class<T> clazz,
                                       Class... typeArgs)