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CollectionDeepCopier (Apache Crunch 0.10.0 API)

Class CollectionDeepCopier<T>

  extended by org.apache.crunch.types.CollectionDeepCopier<T>
Type Parameters:
T - The type of Tuple implementation being copied
All Implemented Interfaces:
Serializable, DeepCopier<Collection<T>>

public class CollectionDeepCopier<T>
extends Object
implements DeepCopier<Collection<T>>

Performs deep copies (based on underlying PType deep copying) of Collections.

See Also:
Serialized Form

Constructor Summary
CollectionDeepCopier(PType<T> elementType)
Method Summary
 Collection<T> deepCopy(Collection<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


public CollectionDeepCopier(PType<T> elementType)
Method Detail


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<Collection<T>>
conf - Job-specific configuration


public Collection<T> deepCopy(Collection<T> source)
Description copied from interface: DeepCopier
Create a deep copy of a value.

Specified by:
deepCopy in interface DeepCopier<Collection<T>>
source - The value to be copied
The deep copy of the value

Copyright © 2014 The Apache Software Foundation. All Rights Reserved.