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TupleDeepCopier (Apache Crunch 0.8.0 API)

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

java.lang.Object
  extended by 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
equals, 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


Copyright © 2013 The Apache Software Foundation. All Rights Reserved.