Package | Description |
---|---|
com.hazelcast.mapreduce |
This package contains the MapReduce API definition for Hazelcast.
All map reduce operations running in a distributed manner inside the active Hazelcast cluster. |
com.hazelcast.mapreduce.aggregation |
This package contains the aggregation API and the convenience helper classes
to retrieve predefined aggregation implementations.
|
Modifier and Type | Interface and Description |
---|---|
interface |
LifecycleMapper<KeyIn,ValueIn,KeyOut,ValueOut>
Deprecated.
MapReduce is deprecated and will be removed in 4.0.
For map aggregations, you can use
Aggregator on IMap.
For general data processing, it is superseded by Hazelcast Jet. |
Modifier and Type | Class and Description |
---|---|
class |
LifecycleMapperAdapter<KeyIn,ValueIn,KeyOut,ValueOut>
Deprecated.
MapReduce is deprecated and will be removed in 4.0.
For map aggregations, you can use
Aggregator on IMap.
For general data processing, it is superseded by Hazelcast Jet. |
Modifier and Type | Method and Description |
---|---|
<KeyOut,ValueOut> |
Job.mapper(Mapper<KeyIn,ValueIn,KeyOut,ValueOut> mapper)
Deprecated.
Defines the mapper for this task.
|
Modifier and Type | Method and Description |
---|---|
Mapper |
Aggregation.getMapper(Supplier<Key,?,Supplied> supplier)
Deprecated.
Returns the Mapper for this aggregation.
|
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