/*
* Copyright 2013 NGDATA nv
*
* 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 com.ngdata.hbaseindexer.mr;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper.Context;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.common.SolrInputDocument;
import org.apache.solr.hadoop.SolrInputDocumentWritable;
import com.ngdata.hbaseindexer.indexer.SolrInputDocumentWriter;
/**
* Writer for {@code SolrInputDocument}s in a MapReduce context.
*/
class MapReduceSolrInputDocumentWriter implements SolrInputDocumentWriter {
private Context context;
public MapReduceSolrInputDocumentWriter(Context context) {
this.context = context;
}
@Override
public void add(int shard, Map<String, SolrInputDocument> inputDocumentMap) throws SolrServerException, IOException {
for (Entry<String, SolrInputDocument> documentEntry : inputDocumentMap.entrySet()) {
try {
context.write(
new Text(documentEntry.getKey()),
new SolrInputDocumentWritable(documentEntry.getValue()));
context.getCounter(HBaseIndexerCounters.OUTPUT_INDEX_DOCUMENTS).increment(1L);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
}
}
@Override
public void deleteById(int shard, List<String> idsToDelete) throws SolrServerException, IOException {
throw new UnsupportedOperationException("Cannot delete records in a MapReduce context");
}
@Override
public void deleteByQuery(String deleteQuery) throws SolrServerException, IOException {
throw new UnsupportedOperationException("Cannot delete records in a MapReduce context");
}
@Override
public void close() throws SolrServerException, IOException {
// Nothing to do
}
}