| /* |
| * 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 FrameWriterFactory |
| { |
| public static FrameWriter createFrameWriter(FileFormat fmt) { |
| return createFrameWriter(fmt, null); |
| } |
| |
| public static FrameWriter createFrameWriter( FileFormat fmt, FileFormatProperties props ) { |
| FrameWriter writer = null; |
| switch(fmt) { |
| case TEXT: |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_TEXTFORMATS) ) |
| writer = new FrameWriterTextCellParallel(); |
| else |
| writer = new FrameWriterTextCell(); |
| 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 FrameWriterTextCSVParallel((FileFormatPropertiesCSV)props); |
| else |
| writer = new FrameWriterTextCSV((FileFormatPropertiesCSV)props); |
| break; |
| |
| case BINARY: |
| if( ConfigurationManager.getCompilerConfigFlag(ConfigType.PARALLEL_CP_WRITE_BINARYFORMATS) ) |
| writer = new FrameWriterBinaryBlockParallel(); |
| else |
| writer = new FrameWriterBinaryBlock(); |
| break; |
| |
| case PROTO: |
| // TODO performance improvement: add parallel reader |
| writer = new FrameWriterProto(); |
| break; |
| |
| default: |
| throw new DMLRuntimeException("Failed to create frame writer for unknown format: " + fmt.toString()); |
| } |
| return writer; |
| } |
| } |