@InterfaceAudience.Public @InterfaceStability.Stable public class ValueAggregatorBaseDescriptor extends ValueAggregatorBaseDescriptor implements ValueAggregatorDescriptor
| Modifier and Type | Field and Description |
|---|---|
static String |
DOUBLE_VALUE_SUM |
static String |
LONG_VALUE_MAX |
static String |
LONG_VALUE_MIN |
static String |
LONG_VALUE_SUM |
static String |
STRING_VALUE_MAX |
static String |
STRING_VALUE_MIN |
static String |
UNIQ_VALUE_COUNT |
static String |
VALUE_HISTOGRAM |
inputFileONE, TYPE_SEPARATOR| Constructor and Description |
|---|
ValueAggregatorBaseDescriptor() |
| Modifier and Type | Method and Description |
|---|---|
void |
configure(JobConf job)
get the input file name.
|
static Map.Entry<Text,Text> |
generateEntry(String type,
String id,
Text val) |
static ValueAggregator |
generateValueAggregator(String type) |
configure, generateKeyValPairs, generateValueAggregatorclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitconfigure, generateKeyValPairspublic static final String UNIQ_VALUE_COUNT
public static final String LONG_VALUE_SUM
public static final String DOUBLE_VALUE_SUM
public static final String VALUE_HISTOGRAM
public static final String LONG_VALUE_MAX
public static final String LONG_VALUE_MIN
public static final String STRING_VALUE_MAX
public static final String STRING_VALUE_MIN
public static Map.Entry<Text,Text> generateEntry(String type, String id, Text val)
type - the aggregation typeid - the aggregation idval - the val associated with the id to be aggregatedpublic static ValueAggregator generateValueAggregator(String type)
type - the aggregation typepublic void configure(JobConf job)
job - a job configuration objectCopyright © 2024 Apache Software Foundation. All rights reserved.