| /** |
| * 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.horn.utils; |
| |
| import java.io.DataInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.SequenceFile; |
| import org.apache.hama.HamaConfiguration; |
| import org.apache.hama.commons.io.FloatVectorWritable; |
| import org.apache.hama.commons.math.DenseFloatVector; |
| |
| public class ExclusiveOrConverter { |
| |
| private static int STEPS = 2; |
| private static int LABELS = 2; |
| |
| public static void main(String[] args) throws Exception { |
| |
| HamaConfiguration conf = new HamaConfiguration(); |
| conf.set("dfs.block.size", "11554432"); |
| FileSystem fs = FileSystem.get(conf); |
| String output = "semi.seq"; |
| |
| @SuppressWarnings("deprecation") |
| SequenceFile.Writer writer = new SequenceFile.Writer(fs, conf, new Path( |
| output), LongWritable.class, FloatVectorWritable.class); |
| |
| float[][] vals = {{0,0,1,0},{0,1,0,1},{1,0,0,1},{1,1,1,0}}; |
| |
| for (int i = 0; i < vals.length; i++) { |
| writer.append(new LongWritable(), new FloatVectorWritable( |
| new DenseFloatVector(vals[i]))); |
| } |
| writer.close(); |
| } |
| |
| } |