| /* |
| * 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.samza.sql.schema; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| |
| /** |
| * Builder class to build the {@link SqlSchema}. |
| */ |
| public class SqlSchemaBuilder { |
| private List<String> fieldNames = new ArrayList<>(); |
| private List<SqlFieldSchema> fieldSchemas = new ArrayList<>(); |
| |
| private SqlSchemaBuilder() { |
| } |
| |
| public static SqlSchemaBuilder builder() { |
| return new SqlSchemaBuilder(); |
| } |
| |
| public SqlSchemaBuilder addField(String name, SqlFieldSchema fieldType) { |
| if (name == null || name.isEmpty() || fieldType == null) |
| throw new IllegalArgumentException(); |
| |
| fieldNames.add(name); |
| fieldSchemas.add(fieldType); |
| return this; |
| } |
| |
| public SqlSchema build() { |
| return new SqlSchema(fieldNames, fieldSchemas); |
| } |
| } |