Package | Description |
---|---|
org.apache.hadoop.mapred.lib.aggregate | |
org.apache.hadoop.mapreduce.lib.aggregate |
Modifier and Type | Interface and Description |
---|---|
interface |
ValueAggregatorDescriptor
This interface defines the contract a value aggregator descriptor must
support.
|
Modifier and Type | Class and Description |
---|---|
class |
UserDefinedValueAggregatorDescriptor
This class implements a wrapper for a user defined value
aggregator descriptor.
|
class |
ValueAggregatorBaseDescriptor
This class implements the common functionalities of
the subclasses of ValueAggregatorDescriptor class.
|
Modifier and Type | Field and Description |
---|---|
protected ValueAggregatorDescriptor |
UserDefinedValueAggregatorDescriptor.theAggregatorDescriptor |
Modifier and Type | Field and Description |
---|---|
protected static ArrayList<ValueAggregatorDescriptor> |
ValueAggregatorJobBase.aggregatorDescriptorList |
Modifier and Type | Method and Description |
---|---|
protected static ValueAggregatorDescriptor |
ValueAggregatorJobBase.getValueAggregatorDescriptor(String spec,
Configuration conf) |
Modifier and Type | Method and Description |
---|---|
protected static ArrayList<ValueAggregatorDescriptor> |
ValueAggregatorJobBase.getAggregatorDescriptors(Configuration conf) |
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