@InterfaceAudience.Public @InterfaceStability.Stable public class UserDefinedValueAggregatorDescriptor extends UserDefinedValueAggregatorDescriptor implements ValueAggregatorDescriptor
theAggregatorDescriptor
ONE, TYPE_SEPARATOR
Constructor and Description |
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UserDefinedValueAggregatorDescriptor(String className,
JobConf job) |
Modifier and Type | Method and Description |
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void |
configure(JobConf job)
Do nothing.
|
static Object |
createInstance(String className)
Create an instance of the given class
|
configure, generateKeyValPairs, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
configure, generateKeyValPairs
public UserDefinedValueAggregatorDescriptor(String className, JobConf job)
className
- the class name of the user defined descriptor classjob
- a configure object used for decriptor configurationpublic static Object createInstance(String className)
className
- the name of the classCopyright © 2018 Apache Software Foundation. All rights reserved.