| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ReducerMapHandle |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, software | |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 | * See the License for the specific language governing permissions and | |
| 16 | * limitations under the License. | |
| 17 | */ | |
| 18 | package org.apache.giraph.block_app.framework.piece.global_comm.map; | |
| 19 | ||
| 20 | import org.apache.giraph.block_app.framework.api.BlockMasterApi; | |
| 21 | import org.apache.giraph.block_app.framework.piece.global_comm.ReducerHandle; | |
| 22 | ||
| 23 | /** | |
| 24 | * Handle to array of reducers | |
| 25 | * | |
| 26 | * @param <I> Key type | |
| 27 | * @param <S> Single value type | |
| 28 | * @param <R> Reduced value type | |
| 29 | */ | |
| 30 | public interface ReducerMapHandle<I, S, R> | |
| 31 | extends MapHandle<I, ReducerHandle<S, R>> { | |
| 32 | /** | |
| 33 | * Number of elements that were reduced. | |
| 34 | */ | |
| 35 | int getReducedSize(BlockMasterApi master); | |
| 36 | ||
| 37 | /** | |
| 38 | * Broadcast whole map of reducers to master | |
| 39 | * | |
| 40 | * @return Handle to the broadcasted map. | |
| 41 | */ | |
| 42 | BroadcastMapHandle<I, R> broadcastValue(BlockMasterApi master); | |
| 43 | } |