| /* |
| * 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.phoenix.hive.objectinspector; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.hadoop.hive.serde2.lazy.objectinspector.primitive.LazyObjectInspectorParameters; |
| import org.apache.hadoop.hive.serde2.objectinspector.ListObjectInspector; |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.phoenix.schema.types.PhoenixArray; |
| |
| import java.util.List; |
| |
| /** |
| * ObjectInspector for list objects. |
| */ |
| public class PhoenixListObjectInspector implements ListObjectInspector { |
| |
| private ObjectInspector listElementObjectInspector; |
| private byte separator; |
| private LazyObjectInspectorParameters lazyParams; |
| |
| public PhoenixListObjectInspector(ObjectInspector listElementObjectInspector, |
| byte separator, LazyObjectInspectorParameters lazyParams) { |
| this.listElementObjectInspector = listElementObjectInspector; |
| this.separator = separator; |
| this.lazyParams = lazyParams; |
| } |
| |
| @Override |
| public String getTypeName() { |
| return org.apache.hadoop.hive.serde.serdeConstants.LIST_TYPE_NAME + "<" + |
| listElementObjectInspector.getTypeName() + ">"; |
| } |
| |
| @Override |
| public Category getCategory() { |
| return Category.LIST; |
| } |
| |
| @Override |
| public ObjectInspector getListElementObjectInspector() { |
| return listElementObjectInspector; |
| } |
| |
| @Override |
| public Object getListElement(Object data, int index) { |
| if (data == null) { |
| return null; |
| } |
| |
| PhoenixArray array = (PhoenixArray) data; |
| |
| return array.getElement(index); |
| } |
| |
| @Override |
| public int getListLength(Object data) { |
| if (data == null) { |
| return -1; |
| } |
| |
| PhoenixArray array = (PhoenixArray) data; |
| return array.getDimensions(); |
| } |
| |
| @Override |
| public List<?> getList(Object data) { |
| if (data == null) { |
| return null; |
| } |
| |
| PhoenixArray array = (PhoenixArray) data; |
| int valueLength = array.getDimensions(); |
| List<Object> valueList = Lists.newArrayListWithExpectedSize(valueLength); |
| |
| for (int i = 0; i < valueLength; i++) { |
| valueList.add(array.getElement(i)); |
| } |
| |
| return valueList; |
| } |
| |
| public byte getSeparator() { |
| return separator; |
| } |
| |
| public LazyObjectInspectorParameters getLazyParams() { |
| return lazyParams; |
| } |
| } |