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org.apache.crunch.types
Class TupleDeepCopier<T extends Tuple>

java.lang.Object
  org.apache.crunch.types.TupleDeepCopier<T>

Type Parameters:

T - The type of Tuple implementation being copied

All Implemented Interfaces:

Serializable, DeepCopier<T>

public class TupleDeepCopier<T extends Tuple>
extends Object
implements DeepCopier<T>

Performs deep copies (based on underlying PType deep copying) of Tuple-based objects.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.crunch.types.DeepCopier

DeepCopier.NoOpDeepCopier<V>

Constructor Summary

TupleDeepCopier(Class<T> tupleClass, PType... elementTypes)

Method Summary

T	deepCopy(T source) Create a deep copy of a value.
void	initialize(org.apache.hadoop.conf.Configuration conf) Initialize the deep copier with a job-specific configuration

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleDeepCopier

public TupleDeepCopier(Class<T> tupleClass,
                       PType... elementTypes)

Method Detail

initialize

public void initialize(org.apache.hadoop.conf.Configuration conf)

Description copied from interface: DeepCopier

Initialize the deep copier with a job-specific configuration

Specified by:

initialize in interface DeepCopier<T extends Tuple>

Parameters:

conf - Job-specific configuration

deepCopy

public T deepCopy(T source)

Description copied from interface: DeepCopier

Create a deep copy of a value.

Specified by:

deepCopy in interface DeepCopier<T extends Tuple>

Parameters:

source - The value to be copied

Returns:

The deep copy of the value