| /* |
| * 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.accumulo.examples.simple.client; |
| |
| import org.apache.accumulo.core.cli.BatchWriterOpts; |
| import org.apache.accumulo.core.cli.ClientOnRequiredTable; |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.MutationsRejectedException; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.security.ColumnVisibility; |
| |
| import com.beust.jcommander.Parameter; |
| |
| /** |
| * Simple example for writing random data in sequential order to Accumulo. See |
| * docs/examples/README.batch for instructions. |
| */ |
| public class SequentialBatchWriter { |
| |
| static class Opts extends ClientOnRequiredTable { |
| @Parameter(names = "--start") |
| long start = 0; |
| @Parameter(names = "--num", required = true) |
| long num = 0; |
| @Parameter(names = "--size", required = true, description = "size of the value to write") |
| int valueSize = 0; |
| @Parameter(names = "--vis", converter = VisibilityConverter.class) |
| ColumnVisibility vis = new ColumnVisibility(); |
| } |
| |
| /** |
| * Writes a specified number of entries to Accumulo using a {@link BatchWriter}. The rows of the |
| * entries will be sequential starting at a specified number. The column families will be "foo" |
| * and column qualifiers will be "1". The values will be random byte arrays of a specified size. |
| */ |
| public static void main(String[] args) throws AccumuloException, AccumuloSecurityException, |
| TableNotFoundException, MutationsRejectedException { |
| Opts opts = new Opts(); |
| BatchWriterOpts bwOpts = new BatchWriterOpts(); |
| opts.parseArgs(SequentialBatchWriter.class.getName(), args, bwOpts); |
| Connector connector = opts.getConnector(); |
| BatchWriter bw = |
| connector.createBatchWriter(opts.getTableName(), bwOpts.getBatchWriterConfig()); |
| |
| long end = opts.start + opts.num; |
| |
| for (long i = opts.start; i < end; i++) { |
| Mutation m = RandomBatchWriter.createMutation(i, opts.valueSize, opts.vis); |
| bw.addMutation(m); |
| } |
| |
| bw.close(); |
| } |
| } |