| /* |
| * 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.flink.streaming.connectors.kafka.v2.common.util; |
| |
| import org.apache.flink.api.java.typeutils.RowTypeInfo; |
| import org.apache.flink.table.api.types.DataType; |
| import org.apache.flink.table.api.types.TypeConverters; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** Utils. **/ |
| public class SourceUtils { |
| |
| /** Tool methods to merge multiple properties keys. **/ |
| @SuppressWarnings("unchecked") |
| public static List<String> mergeProperties(Collection<String>... lists) { |
| List<String> ret = new ArrayList<>(); |
| for (Collection<String> l : lists) { |
| ret.addAll(l); |
| } |
| return ret; |
| } |
| |
| public static RowTypeInfo toRowTypeInfo(DataType dataType) { |
| return (RowTypeInfo) TypeConverters.createExternalTypeInfoFromDataType(dataType); |
| } |
| } |
