| /** |
| * 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.tajo.catalog; |
| |
| import com.google.common.collect.ImmutableList; |
| import org.apache.tajo.common.TajoDataTypes; |
| import org.apache.tajo.exception.TajoRuntimeException; |
| import org.apache.tajo.exception.UnsupportedException; |
| import org.apache.tajo.schema.Schema; |
| import org.apache.tajo.type.Protobuf; |
| import org.apache.tajo.type.Type; |
| |
| import java.util.Collection; |
| |
| import static org.apache.tajo.type.Type.*; |
| |
| public class TypeConverter { |
| |
| public static Collection<Schema.NamedType> convert(TypeDesc type) { |
| ImmutableList.Builder<Schema.NamedType> fields = ImmutableList.builder(); |
| for (Column c : type.getNestedSchema().getRootColumns()) { |
| fields.add(FieldConverter.convert(c)); |
| } |
| return fields.build(); |
| } |
| |
| public static Type convert(TajoDataTypes.Type legacyBaseType) { |
| switch (legacyBaseType) { |
| case BOOLEAN: |
| return Bool(); |
| case INT1: |
| case INT2: |
| return Int2(); |
| case INT4: |
| return Int4(); |
| case INT8: |
| return Int8(); |
| case FLOAT4: |
| return Float4(); |
| case FLOAT8: |
| return Float8(); |
| case DATE: |
| return Date(); |
| case TIME: |
| return Time(); |
| case TIMESTAMP: |
| return Timestamp(); |
| case INTERVAL: |
| return Interval(); |
| case TEXT: |
| return Text(); |
| case BLOB: |
| return Blob(); |
| case INET4: |
| return Inet4(); |
| case NULL_TYPE: |
| return Null(); |
| case ANY: |
| return Any(); |
| default: |
| throw new TajoRuntimeException(new UnsupportedException(legacyBaseType.name())); |
| } |
| } |
| |
| public static Type convert(TajoDataTypes.DataType legacyType) { |
| switch (legacyType.getType()) { |
| case NCHAR: |
| case CHAR: |
| return Char(legacyType.getLength()); |
| case NVARCHAR: |
| case VARCHAR: |
| return Varchar(legacyType.getLength()); |
| case NUMERIC: |
| return Numeric(legacyType.getLength()); |
| case PROTOBUF: |
| return new Protobuf(legacyType.getCode()); |
| default: |
| return convert(legacyType.getType()); |
| } |
| } |
| |
| public static TajoDataTypes.DataType convert(Type type) { |
| return CatalogUtil.newSimpleDataType(type.baseType()); |
| } |
| } |