Uses of Interface
org.apache.giraph.block_app.framework.api.CreateReducersApi

Packages that use CreateReducersApi

Package	Description
org.apache.giraph.block_app.framework.piece	Single execution object - Piece, and related classes.
org.apache.giraph.block_app.framework.piece.global_comm.internal	Reducer and Broadcast Handles internal implementation for automatic handling of global communication within Pieces, hiding a lot of it's complexities.
org.apache.giraph.block_app.reducers.array	Reducers for collecting arrays of objects.
org.apache.giraph.block_app.reducers.collect	Reducers for distributed collection of objects.
org.apache.giraph.block_app.reducers.map	Reducers for collecting map of objects.

Uses of CreateReducersApi in org.apache.giraph.block_app.framework.piece

Methods in org.apache.giraph.block_app.framework.piece with parameters of type CreateReducersApi

Modifier and Type	Method and Description
void	DefaultParentPiece.registerReducers(CreateReducersApi reduceApi, S executionStage) Override to register any potential reducers used by this piece, through calls to reduceApi, which will return reducer handles for simple.

Uses of CreateReducersApi in org.apache.giraph.block_app.framework.piece.global_comm.internal

Classes in org.apache.giraph.block_app.framework.piece.global_comm.internal that implement CreateReducersApi

Modifier and Type	Class and Description
class	CreateReducersApiWrapper Wrapping masterApi and reducers handler into API for creating reducer handles.

Uses of CreateReducersApi in org.apache.giraph.block_app.reducers.array

Methods in org.apache.giraph.block_app.reducers.array with parameters of type CreateReducersApi

Modifier and Type	Method and Description
static <S,R extends org.apache.hadoop.io.Writable> ReducerArrayHandle<S,R>	HugeArrayUtils.createGlobalReducerArrayHandle(int fixedSize, ReduceOperation<S,R> elementReduceOp, CreateReducersApi reduceApi) Create global array of reducers, by splitting the huge array into NUM_STRIPES number of parts.
static <S,R extends org.apache.hadoop.io.Writable> ReducerArrayHandle<S,R>	HugeArrayUtils.createGlobalReducerArrayHandle(int fixedSize, ReduceOperation<S,R> elementReduceOp, CreateReducersApi reduceApi, int maxNumStripes) Create global array of reducers, by splitting the huge array into maxNumStripes number of parts.
static <S,R extends org.apache.hadoop.io.Writable> ReducerArrayHandle<S,R>	BasicArrayReduce.createLocalArrayHandles(int fixedSize, PrimitiveTypeOps<R> typeOps, ReduceOperation<S,R> elementReduceOp, CreateReducersApi reduceApi) Registers one new local reducer, that will reduce BasicArray, by reducing individual elements using elementReduceOp, with predefined size.
static <S,R extends org.apache.hadoop.io.Writable> ReducerArrayHandle<S,R>	BasicArrayReduce.createLocalArrayHandles(PrimitiveTypeOps<R> typeOps, ReduceOperation<S,R> elementReduceOp, CreateReducersApi reduceApi) Registers one new local reducer, that will reduce BasicArray, by reducing individual elements using elementReduceOp, with unbounded size.

Uses of CreateReducersApi in org.apache.giraph.block_app.reducers.collect

Methods in org.apache.giraph.block_app.reducers.collect with parameters of type CreateReducersApi

Modifier and Type	Method and Description
void	ShardedReducerHandle.register(CreateReducersApi reduceApi)
void	CollectShardedTuplesOfPrimitivesReducerHandle.CollectShardedTuplesOfPrimitivesReduceBroadcast.registeredReducer(CreateReducersApi reduceApi, Class<?>... valueClasses) Set reducer handle to just registered handle

Constructors in org.apache.giraph.block_app.reducers.collect with parameters of type CreateReducersApi

Constructor and Description
CollectShardedPrimitiveReducerHandle(CreateReducersApi reduceApi, Class<S> valueClass)
CollectShardedReducerHandle(CreateReducersApi reduceApi)
CollectShardedTuplesOfPrimitivesReducerHandle(CreateReducersApi reduceApi, Class<?>... valueClasses)

Uses of CreateReducersApi in org.apache.giraph.block_app.reducers.map

Methods in org.apache.giraph.block_app.reducers.map with parameters of type CreateReducersApi

Modifier and Type	Method and Description
static <K extends org.apache.hadoop.io.WritableComparable,S,R extends org.apache.hadoop.io.Writable> ReducerMapHandle<K,S,R>	BasicMapReduce.createLocalMapHandles(PrimitiveIdTypeOps<K> keyTypeOps, PrimitiveTypeOps<R> typeOps, ReduceOperation<S,R> elementReduceOp, CreateReducersApi reduceApi) Registers one new local reducer, that will reduce BasicMap, by reducing individual elements corresponding to the same key using elementReduceOp.