dnet-core/dnet-data-services/src/main/java/eu/dnetlib/data/objectstore/filesystem/IndexIntegrityChecker.java

56 lines
2.0 KiB
Java

package eu.dnetlib.data.objectstore.filesystem;
import com.mongodb.BasicDBObject;
import com.mongodb.DBObject;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.model.IndexOptions;
import eu.dnetlib.data.objectstore.modular.connector.ObjectStoreDao;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import static eu.dnetlib.data.objectstore.filesystem.FileSystemObjectStoreDao.OBJECTSTORE_ID_FIELD;
import static eu.dnetlib.data.objectstore.filesystem.FileSystemObjectStoreDao.OBJECTSTORE_METADATA_NAME_FIELD;
/**
* Created by claudio on 15/09/16.
*/
public class IndexIntegrityChecker {
private static final Log log = LogFactory.getLog(IndexIntegrityChecker.class);
@Autowired
private ObjectStoreDao dao;
public void check() {
checkIndexes();
}
private void checkIndexes() {
log.info("objectStore indexes integrity start");
final MongoDatabase db = ((FileSystemObjectStoreDao) dao).getDb();
final IndexOptions bg = new IndexOptions().background(true);
for (String objectStoreId : dao.listObjectStores()) {
final String id = StringUtils.substringBefore(objectStoreId, "_");
final MongoCollection<DBObject> objectStore = db.getCollection(id, DBObject.class);
if (log.isDebugEnabled()) {
log.debug(String.format("creating index (id, timestamp) on objectStore %s", id));
}
objectStore.createIndex(new BasicDBObject("id", 1), bg);
objectStore.createIndex(new BasicDBObject("timestamp", 1), bg);
}
if (log.isDebugEnabled()) {
log.debug(String.format("creating index (%s) on %s", OBJECTSTORE_ID_FIELD, OBJECTSTORE_METADATA_NAME_FIELD));
}
final MongoCollection<DBObject> metadata = db.getCollection(OBJECTSTORE_METADATA_NAME_FIELD, DBObject.class);
metadata.createIndex(new BasicDBObject(OBJECTSTORE_ID_FIELD, 1), bg);
log.info("objectStore indexes integrity completed");
}
}