datasources/parquet/ParquetDictionary.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 package org.apache.spark.sql.execution.datasources.parquet;
0019
0020 import org.apache.spark.sql.execution.vectorized.Dictionary;
0021
0022 public final class ParquetDictionary implements Dictionary {
0023   private org.apache.parquet.column.Dictionary dictionary;
0024
0025   public ParquetDictionary(org.apache.parquet.column.Dictionary dictionary) {
0026     this.dictionary = dictionary;
0027   }
0028
0029   @Override
0030   public int decodeToInt(int id) {
0031     return dictionary.decodeToInt(id);
0032   }
0033
0034   @Override
0035   public long decodeToLong(int id) {
0036     return dictionary.decodeToLong(id);
0037   }
0038
0039   @Override
0040   public float decodeToFloat(int id) {
0041     return dictionary.decodeToFloat(id);
0042   }
0043
0044   @Override
0045   public double decodeToDouble(int id) {
0046     return dictionary.decodeToDouble(id);
0047   }
0048
0049   @Override
0050   public byte[] decodeToBinary(int id) {
0051     return dictionary.decodeToBinary(id).getBytes();
0052   }
0053 }