| /* |
| * 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 org.apache.hadoop.hive.serde2.lazy.LazySerDeParameters; |
| import org.apache.hadoop.hive.serde2.lazy.objectinspector.LazyObjectInspectorFactory; |
| import org.apache.hadoop.hive.serde2.lazy.objectinspector.LazySimpleStructObjectInspector; |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector; |
| import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory.ObjectInspectorOptions; |
| import org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.PrimitiveTypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo; |
| import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Factory for object inspectors. Matches hive type to the corresponding Phoenix object inspector. |
| */ |
| |
| public class PhoenixObjectInspectorFactory { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PhoenixObjectInspectorFactory.class); |
| |
| private PhoenixObjectInspectorFactory() { |
| |
| } |
| |
| public static LazySimpleStructObjectInspector createStructObjectInspector(TypeInfo type, |
| LazySerDeParameters |
| serdeParams) { |
| StructTypeInfo structTypeInfo = (StructTypeInfo) type; |
| List<String> fieldNames = structTypeInfo.getAllStructFieldNames(); |
| List<TypeInfo> fieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos(); |
| List<ObjectInspector> fieldObjectInspectors = new ArrayList<ObjectInspector> |
| (fieldTypeInfos.size()); |
| |
| for (int i = 0; i < fieldTypeInfos.size(); i++) { |
| fieldObjectInspectors.add(createObjectInspector(fieldTypeInfos.get(i), serdeParams)); |
| } |
| |
| return LazyObjectInspectorFactory.getLazySimpleStructObjectInspector( |
| fieldNames, fieldObjectInspectors, null, |
| serdeParams.getSeparators()[1], |
| serdeParams, ObjectInspectorOptions.JAVA); |
| } |
| |
| public static ObjectInspector createObjectInspector(TypeInfo type, LazySerDeParameters |
| serdeParams) { |
| ObjectInspector oi = null; |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Type : " + type); |
| } |
| |
| switch (type.getCategory()) { |
| case PRIMITIVE: |
| switch (((PrimitiveTypeInfo) type).getPrimitiveCategory()) { |
| case BOOLEAN: |
| oi = new PhoenixBooleanObjectInspector(); |
| break; |
| case BYTE: |
| oi = new PhoenixByteObjectInspector(); |
| break; |
| case SHORT: |
| oi = new PhoenixShortObjectInspector(); |
| break; |
| case INT: |
| oi = new PhoenixIntObjectInspector(); |
| break; |
| case LONG: |
| oi = new PhoenixLongObjectInspector(); |
| break; |
| case FLOAT: |
| oi = new PhoenixFloatObjectInspector(); |
| break; |
| case DOUBLE: |
| oi = new PhoenixDoubleObjectInspector(); |
| break; |
| case VARCHAR: |
| // same string |
| case STRING: |
| oi = new PhoenixStringObjectInspector(serdeParams.isEscaped(), |
| serdeParams.getEscapeChar()); |
| break; |
| case CHAR: |
| oi = new PhoenixCharObjectInspector((PrimitiveTypeInfo)type); |
| break; |
| case DATE: |
| oi = new PhoenixDateObjectInspector(); |
| break; |
| case TIMESTAMP: |
| oi = new PhoenixTimestampObjectInspector(); |
| break; |
| case DECIMAL: |
| oi = new PhoenixDecimalObjectInspector((PrimitiveTypeInfo) type); |
| break; |
| case BINARY: |
| oi = new PhoenixBinaryObjectInspector(); |
| break; |
| default: |
| throw new RuntimeException("Hive internal error. not supported data type " + |
| ": " + type); |
| } |
| |
| break; |
| case LIST: |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("List type started"); |
| } |
| |
| ObjectInspector listElementObjectInspector = createObjectInspector(( |
| (ListTypeInfo) type).getListElementTypeInfo(), serdeParams); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("List type ended"); |
| } |
| |
| oi = new PhoenixListObjectInspector(listElementObjectInspector, serdeParams |
| .getSeparators()[0], serdeParams); |
| |
| break; |
| default: |
| throw new RuntimeException("Hive internal error. not supported data type : " + |
| type); |
| } |
| |
| return oi; |
| } |
| } |