/**
* (c) Copyright 2012 WibiData, Inc.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*
* Licensed 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.kiji.mapreduce.testlib;
import java.io.IOException;
import com.google.common.base.Preconditions;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.kiji.mapreduce.KijiTableContext;
import org.kiji.mapreduce.bulkimport.KijiBulkImporter;
import org.kiji.schema.EntityId;
/**
* Simple bulk-importer for testing.
*
* Reads a text file formatted as "rowKey:integerValue"
* and emits:
* <li> the integer value for the specified row at column "primitives:int";
* <li> the position of the row input in the text file at column "primitives:long";
* <li> a string "rowKey-integerValue" at column "primitives:string".
*
* Expects the layout described in src/test/resources/org/kiji/mapreduce/layout/test.json
*/
public class SimpleBulkImporter extends KijiBulkImporter<LongWritable, Text> {
/** {@inheritDoc} */
@Override
public void produce(LongWritable filePos, Text value, KijiTableContext context)
throws IOException {
final String line = value.toString();
final String[] split = line.split(":");
Preconditions.checkState(split.length == 2,
String.format("Unable to parse bulk-import test input line: '%s'.", line));
final String rowKey = split[0];
final int integerValue = Integer.parseInt(split[1]);
final EntityId eid = context.getEntityId(rowKey);
context.put(eid, "primitives", "int", integerValue);
context.put(eid, "primitives", "long", filePos.get());
context.put(eid, "primitives", "string", String.format("%s-%d", rowKey, integerValue));
}
}