| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.sysds.runtime.controlprogram.paramserv.dp; |
| |
| import org.apache.sysds.parser.Statement; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.caching.MatrixObject; |
| |
| public class FederatedDataPartitioner { |
| private final DataPartitionFederatedScheme _scheme; |
| private final int _seed; |
| |
| public FederatedDataPartitioner(Statement.FederatedPSScheme scheme, int seed) { |
| _seed = seed; |
| switch (scheme) { |
| case KEEP_DATA_ON_WORKER: |
| _scheme = new KeepDataOnWorkerFederatedScheme(); |
| break; |
| case SHUFFLE: |
| _scheme = new ShuffleFederatedScheme(); |
| break; |
| case REPLICATE_TO_MAX: |
| _scheme = new ReplicateToMaxFederatedScheme(); |
| break; |
| case SUBSAMPLE_TO_MIN: |
| _scheme = new SubsampleToMinFederatedScheme(); |
| break; |
| case BALANCE_TO_AVG: |
| _scheme = new BalanceToAvgFederatedScheme(); |
| break; |
| default: |
| throw new DMLRuntimeException(String.format("FederatedDataPartitioner: not support data partition scheme '%s'", scheme)); |
| } |
| } |
| |
| public DataPartitionFederatedScheme.Result doPartitioning(MatrixObject features, MatrixObject labels) { |
| return _scheme.partition(features, labels, _seed); |
| } |
| } |