| /* |
| * 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.io.kudu; |
| |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| import org.apache.kudu.ColumnSchema; |
| import org.apache.kudu.Schema; |
| import org.apache.kudu.Type; |
| import org.apache.kudu.client.CreateTableOptions; |
| import org.apache.kudu.client.KuduException; |
| import org.apache.kudu.client.KuduScanner; |
| import org.apache.kudu.client.KuduTable; |
| import org.apache.kudu.client.Operation; |
| import org.apache.kudu.client.PartialRow; |
| import org.apache.kudu.client.Upsert; |
| |
| /** Utilities for Kudu tests. */ |
| class KuduTestUtils { |
| static final String COL_ID = "id"; |
| static final String COL_NAME = "name"; |
| |
| static final Schema SCHEMA = |
| new Schema( |
| ImmutableList.of( |
| new ColumnSchema.ColumnSchemaBuilder(COL_ID, Type.INT64).key(true).build(), |
| new ColumnSchema.ColumnSchemaBuilder(COL_NAME, Type.STRING) |
| .nullable(false) |
| .desiredBlockSize(4096) |
| .encoding(ColumnSchema.Encoding.PLAIN_ENCODING) |
| .compressionAlgorithm(ColumnSchema.CompressionAlgorithm.NO_COMPRESSION) |
| .build())); |
| |
| static CreateTableOptions createTableOptions() { |
| return new CreateTableOptions() |
| .setRangePartitionColumns(ImmutableList.of(COL_ID)) |
| .setNumReplicas(1); |
| } |
| |
| /** Creates an Upsert Operation that matches the schema for each input. */ |
| static class GenerateUpsert implements KuduIO.FormatFunction<Long> { |
| @Override |
| public Operation apply(TableAndRecord<Long> input) { |
| Upsert upsert = input.getTable().newUpsert(); |
| PartialRow row = upsert.getRow(); |
| row.addLong(COL_ID, input.getRecord()); |
| row.addString(COL_NAME, input.getRecord() + ": name"); |
| return upsert; |
| } |
| } |
| |
| /** Returns the count of rows for the given table. */ |
| static int rowCount(KuduTable table) throws KuduException { |
| KuduScanner scanner = table.getAsyncClient().syncClient().newScannerBuilder(table).build(); |
| try { |
| int rowCount = 0; |
| while (scanner.hasMoreRows()) { |
| rowCount += scanner.nextRows().getNumRows(); |
| } |
| return rowCount; |
| } finally { |
| scanner.close(); |
| } |
| } |
| } |