| /* |
| * 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.fluo.mapreduce; |
| |
| import java.nio.charset.StandardCharsets; |
| |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.hadoop.mapreduce.AccumuloOutputFormat; |
| import org.apache.fluo.accumulo.util.ColumnType; |
| import org.apache.fluo.accumulo.values.WriteValue; |
| import org.apache.fluo.api.data.Bytes; |
| import org.apache.fluo.api.data.Column; |
| import org.apache.fluo.api.data.RowColumnValue; |
| import org.apache.fluo.core.util.ByteUtil; |
| import org.apache.fluo.core.util.Flutation; |
| import org.apache.hadoop.io.Text; |
| |
| /** |
| * This class generates Accumulo mutations that are in the Fluo data format. This class is intended |
| * to be used with {@link AccumuloOutputFormat} or {@link BatchWriter} inorder to seed an |
| * initialized Fluo table on which no transactions have executed. |
| */ |
| |
| public class FluoMutationGenerator { |
| |
| private Mutation mutation; |
| |
| /** |
| * Creates builder for given row |
| * |
| * @param row Will be encoded using UTF-8 |
| */ |
| public FluoMutationGenerator(CharSequence row) { |
| mutation = new Mutation(row); |
| } |
| |
| public FluoMutationGenerator(Text row) { |
| mutation = new Mutation(row); |
| } |
| |
| public FluoMutationGenerator(Bytes row) { |
| mutation = new Mutation(row.toArray()); |
| } |
| |
| public FluoMutationGenerator(byte[] row) { |
| mutation = new Mutation(row); |
| } |
| |
| public FluoMutationGenerator(RowColumnValue rcv) { |
| this(rcv.getRow()); |
| put(rcv.getColumn(), rcv.getValue()); |
| } |
| |
| /** |
| * Puts value at given column |
| * |
| * @param value Will be encoded using UTF-8 |
| */ |
| public FluoMutationGenerator put(Column col, CharSequence value) { |
| return put(col, value.toString().getBytes(StandardCharsets.UTF_8)); |
| } |
| |
| public FluoMutationGenerator put(Column col, Text value) { |
| return put(col, ByteUtil.toBytes(value)); |
| } |
| |
| public FluoMutationGenerator put(Column col, Bytes value) { |
| return put(col, value.toArray()); |
| } |
| |
| public FluoMutationGenerator put(Column col, byte[] value) { |
| Flutation.put(mutation, col, ColumnType.DATA.encode(0), value); |
| Flutation.put(mutation, col, ColumnType.WRITE.encode(1), WriteValue.encode(0, false, false)); |
| return this; |
| } |
| |
| public Mutation build() { |
| Mutation ret = mutation; |
| mutation = null; |
| return ret; |
| } |
| } |