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WritableDeepCopier (Apache Crunch 0.9.0 API)
org.apache.crunch.types.writable
Class WritableDeepCopier<T extends org.apache.hadoop.io.Writable>
java.lang.Object
org.apache.crunch.types.writable.WritableDeepCopier<T>
- Type Parameters:
T
- The type of Writable that can be copied
- All Implemented Interfaces:
- Serializable, DeepCopier<T>
public class WritableDeepCopier<T extends org.apache.hadoop.io.Writable>
- extends Object
- implements DeepCopier<T>
Performs deep copies of Writable values.
- See Also:
- Serialized Form
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 |
WritableDeepCopier
public WritableDeepCopier(Class<T> writableClass)
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 org.apache.hadoop.io.Writable>
- 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 org.apache.hadoop.io.Writable>
- Parameters:
source
- The value to be copied
- Returns:
- The deep copy of the value
Copyright © 2014 The Apache Software Foundation. All Rights Reserved.