| /* |
| * 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.beam.sdk.schemas.transforms; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.apache.beam.sdk.schemas.Schema; |
| import org.apache.beam.sdk.values.Row; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Lists; |
| |
| class JoinTestUtils { |
| static List<Row> innerJoin( |
| List<Row> inputs1, List<Row> inputs2, String[] keys1, String[] keys2, Schema expectedSchema) { |
| List<Row> joined = Lists.newArrayList(); |
| for (Row row1 : inputs1) { |
| for (Row row2 : inputs2) { |
| List key1 = Arrays.stream(keys1).map(row1::getValue).collect(Collectors.toList()); |
| List key2 = Arrays.stream(keys2).map(row2::getValue).collect(Collectors.toList()); |
| if (key1.equals(key2)) { |
| joined.add(Row.withSchema(expectedSchema).addValues(row1, row2).build()); |
| } |
| } |
| } |
| return joined; |
| } |
| |
| static List<Row> innerJoin( |
| List<Row> inputs1, |
| List<Row> inputs2, |
| List<Row> inputs3, |
| String[] keys1, |
| String[] keys2, |
| String[] keys3, |
| Schema expectedSchema) { |
| List<Row> joined = Lists.newArrayList(); |
| for (Row row1 : inputs1) { |
| for (Row row2 : inputs2) { |
| for (Row row3 : inputs3) { |
| List key1 = Arrays.stream(keys1).map(row1::getValue).collect(Collectors.toList()); |
| List key2 = Arrays.stream(keys2).map(row2::getValue).collect(Collectors.toList()); |
| List key3 = Arrays.stream(keys3).map(row3::getValue).collect(Collectors.toList()); |
| if (key1.equals(key2) && key2.equals(key3)) { |
| joined.add(Row.withSchema(expectedSchema).addValues(row1, row2, row3).build()); |
| } |
| } |
| } |
| } |
| return joined; |
| } |
| } |