| /* |
| * 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.pirk.inputformat.hadoop; |
| |
| import java.math.BigInteger; |
| import java.util.ArrayList; |
| |
| import org.apache.hadoop.io.ArrayWritable; |
| import org.apache.hadoop.io.Text; |
| |
| /** |
| * ArrayWritable class with Text entries |
| */ |
| public class TextArrayWritable extends ArrayWritable |
| { |
| public TextArrayWritable() |
| { |
| super(Text.class); |
| } |
| |
| /** |
| * Constructor for use when underlying array will be Text representations of String objects |
| */ |
| public TextArrayWritable(String[] elements) |
| { |
| super(Text.class); |
| |
| Text[] textElements = new Text[elements.length]; |
| for (int i = 0; i < elements.length; i++) |
| { |
| textElements[i] = new Text(elements[i]); |
| } |
| set(textElements); |
| } |
| |
| /** |
| * Constructor for use when underlying array will be Text representations of BigInteger objects |
| */ |
| public TextArrayWritable(ArrayList<BigInteger> elements) |
| { |
| super(Text.class); |
| |
| Text[] textElements = new Text[elements.size()]; |
| for (int i = 0; i < elements.size(); i++) |
| { |
| textElements[i] = new Text(elements.get(i).toString()); |
| } |
| set(textElements); |
| } |
| |
| /** |
| * Returns the number of elements in the underlying array |
| * |
| */ |
| public int size() |
| { |
| return this.get().length; |
| } |
| |
| /** |
| * Return the ith element from the underlying array |
| * <p> |
| * Assumes that the underlying array consists of Text representations of BigInteger objects |
| */ |
| public BigInteger getBigInteger(int i) |
| { |
| Text element = (Text) this.get()[i]; |
| return new BigInteger(element.toString()); |
| } |
| } |