| /** |
| * 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.apex.benchmark.fs; |
| |
| import java.util.Arrays; |
| |
| import javax.validation.constraints.Min; |
| |
| import org.apache.apex.malhar.lib.io.fs.AbstractFileOutputOperator; |
| |
| /** |
| * This output operator receives |
| * |
| * @since 0.9.4 |
| */ |
| public class FSByteOutputOperator extends AbstractFileOutputOperator<byte[]> |
| { |
| /** |
| * The number of unique files to output tuples to. |
| */ |
| @Min(1) |
| private int outputFileCount = 1; |
| |
| /** |
| * The file a tuple is written out to is determined by modding the hashcode of the |
| * tuple by the outputFileCount. |
| * |
| * @param tuple The input tuple to write out. |
| * @return The name of the file to write the tuple to. |
| */ |
| @Override |
| protected String getFileName(byte[] tuple) |
| { |
| return ((Integer)(Arrays.hashCode(tuple) % outputFileCount)).toString(); |
| } |
| |
| @Override |
| protected byte[] getBytesForTuple(byte[] tuple) |
| { |
| for (int counter = 0; |
| counter < tuple.length; |
| counter++) { |
| tuple[counter] += 1; |
| } |
| |
| return tuple; |
| } |
| |
| public void setOutputFileCount(int outputFileCount) |
| { |
| this.outputFileCount = outputFileCount; |
| } |
| |
| public int getOutputFileCount() |
| { |
| return outputFileCount; |
| } |
| } |