| /* |
| * 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.iceberg.parquet; |
| |
| import java.util.List; |
| import org.apache.parquet.schema.GroupType; |
| import org.apache.parquet.schema.MessageType; |
| import org.apache.parquet.schema.PrimitiveType; |
| import org.apache.parquet.schema.Type; |
| import org.apache.parquet.schema.Types; |
| |
| public class RemoveIds extends ParquetTypeVisitor<Type> { |
| |
| @Override |
| public Type message(MessageType message, List<Type> fields) { |
| Types.MessageTypeBuilder builder = Types.buildMessage(); |
| for (Type field : struct(message.asGroupType(), fields).asGroupType().getFields()) { |
| builder.addField(field); |
| } |
| return builder.named(message.getName()); |
| } |
| |
| @Override |
| public Type struct(GroupType struct, List<Type> fields) { |
| Types.GroupBuilder<GroupType> builder = Types.buildGroup(struct.getRepetition()); |
| for (Type field : fields) { |
| builder.addField(field); |
| } |
| return builder.named(struct.getName()); |
| } |
| |
| @Override |
| public Type list(GroupType array, Type item) { |
| return Types.list(array.getRepetition()) |
| .element(item) |
| .named(array.getName()); |
| } |
| |
| @Override |
| public Type map(GroupType map, Type key, Type value) { |
| return Types.map(map.getRepetition()) |
| .key(key) |
| .value(value) |
| .named(map.getName()); |
| } |
| |
| @Override |
| public Type primitive(PrimitiveType primitive) { |
| return Types.primitive(primitive.getPrimitiveTypeName(), primitive.getRepetition()) |
| .length(primitive.getTypeLength()) |
| .as(primitive.getLogicalTypeAnnotation()) |
| .named(primitive.getName()); |
| } |
| |
| public static MessageType removeIds(MessageType type) { |
| return (MessageType) ParquetTypeVisitor.visit(type, new RemoveIds()); |
| } |
| |
| } |