/*
* Copyright 2013 Cloudera Inc.
*
* 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.kitesdk.morphline.solr;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.response.SolrPingResponse;
import org.apache.solr.client.solrj.response.UpdateResponse;
import org.apache.solr.common.SolrInputDocument;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A mockup DocumentLoader implementation for unit tests; collects all documents into a main memory list.
*/
class CollectingDocumentLoader implements DocumentLoader {
private final int batchSize;
private final List<SolrInputDocument> batch = new ArrayList();
private List<SolrInputDocument> results = new ArrayList();
private static final Logger LOGGER = LoggerFactory.getLogger(CollectingDocumentLoader.class);
public CollectingDocumentLoader(int batchSize) {
if (batchSize <= 0) {
throw new IllegalArgumentException("batchSize must be a positive number: " + batchSize);
}
this.batchSize = batchSize;
}
@Override
public void beginTransaction() {
LOGGER.trace("beginTransaction");
batch.clear();
}
@Override
public void load(SolrInputDocument doc) {
LOGGER.trace("load doc: {}", doc);
batch.add(doc);
if (batch.size() >= batchSize) {
loadBatch();
}
}
@Override
public void deleteById(String id) throws IOException, SolrServerException {
throw new UnsupportedOperationException();
}
@Override
public void deleteByQuery(String id) throws IOException, SolrServerException {
throw new UnsupportedOperationException();
}
@Override
public void commitTransaction() {
LOGGER.trace("commitTransaction");
if (batch.size() > 0) {
loadBatch();
}
}
private void loadBatch() {
try {
results.addAll(batch);
} finally {
batch.clear();
}
}
@Override
public UpdateResponse rollbackTransaction() {
LOGGER.trace("rollback");
return new UpdateResponse();
}
@Override
public void shutdown() {
LOGGER.trace("shutdown");
}
@Override
public SolrPingResponse ping() {
LOGGER.trace("ping");
return new SolrPingResponse();
}
}