public interface ValueAggregatorDescriptor
Modifier and Type | Field and Description |
---|---|
static Text |
ONE |
static String |
TYPE_SEPARATOR |
Modifier and Type | Method and Description |
---|---|
void |
configure(JobConf job)
Configure the object
|
ArrayList<Map.Entry<Text,Text>> |
generateKeyValPairs(Object key,
Object val)
Generate a list of aggregation-id/value pairs for the given key/value pair.
|
static final String TYPE_SEPARATOR
static final Text ONE
ArrayList<Map.Entry<Text,Text>> generateKeyValPairs(Object key, Object val)
key
- input keyval
- input valuevoid configure(JobConf job)
job
- a JobConf object that may contain the information that can be used
to configure the object.Copyright © 2010 The Apache Software Foundation