| /* |
| * 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.io; |
| |
| import org.apache.sysds.conf.ConfigurationManager; |
| import org.apache.sysds.common.Types.FileFormat; |
| import org.apache.sysds.conf.CompilerConfig.ConfigType; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| |
| public class MatrixWriterFactory |
| { |
| |
| public static MatrixWriter createMatrixWriter(FileFormat fmt) { |
| return createMatrixWriter(fmt, -1, null); |
| } |
| |
| public static MatrixWriter createMatrixWriter(FileFormat fmt, int replication, FileFormatProperties props) |
| { |
| MatrixWriter writer = null; |
| |
| switch(fmt) { |
| case TEXT: |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_TEXTFORMATS) ) |
| writer = new WriterTextCellParallel(); |
| else |
| writer = new WriterTextCell(); |
| break; |
| |
| case MM: |
| //note: disabled parallel cp write of matrix market in order to ensure the |
| //requirement of writing out a single file |
| |
| //if( OptimizerUtils.PARALLEL_CP_WRITE_TEXTFORMATS ) |
| // writer = new WriterMatrixMarketParallel(); |
| writer = new WriterMatrixMarket(); |
| break; |
| |
| case CSV: |
| if( props!=null && !(props instanceof FileFormatPropertiesCSV) ) |
| throw new DMLRuntimeException("Wrong type of file format properties for CSV writer."); |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_TEXTFORMATS) ) |
| writer = new WriterTextCSVParallel((FileFormatPropertiesCSV)props); |
| else |
| writer = new WriterTextCSV((FileFormatPropertiesCSV)props); |
| break; |
| |
| case LIBSVM: |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_TEXTFORMATS) ) |
| writer = new WriterTextLIBSVMParallel(); |
| else |
| writer = new WriterTextLIBSVM(); |
| break; |
| |
| case BINARY: |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_BINARYFORMATS) ) |
| writer = new WriterBinaryBlockParallel(replication); |
| else |
| writer = new WriterBinaryBlock(replication); |
| break; |
| |
| default: |
| throw new DMLRuntimeException("Failed to create matrix writer for unknown format: " + fmt.toString()); |
| } |
| |
| return writer; |
| } |
| } |