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