public static void main(String[] args) {
System.setProperty("javax.net.ssl.trustStore", args[0]);
System.setProperty("javax.net.ssl.trustStorePassword", args[1]);
MongoClientOptions.Builder options = builder().sslEnabled(true).sslInvalidHostNameAllowed(true);
String uri = "mongodb://127.0.0.1:27017/";
MongoClientURI connectionString = new MongoClientURI(uri, options);
MongoClient mongoClient = new MongoClient(connectionString);
// with username and password
char[] pwd = "mypasswrd!".toCharArray();
MongoCredential credential =
MongoCredential.createCredential(
"myadmin", "admin", pwd); // user "myadmin" on admin database
List<MongoCredential> credentials = Collections.singletonList(credential);
List<ServerAddress> hosts =
Arrays.asList(
new ServerAddress("mongodb01.host.dblayer.com:10054"),
new ServerAddress("mongodb02.host.1.dblayer.com:10071"));
mongoClient = new MongoClient(hosts, credentials, options.build());
MongoDatabase foxtrot = mongoClient.getDatabase("foxtrot");
MongoIterable<String> collectionNames = foxtrot.listCollectionNames();
}
/**
* Retrieves the names of the collections in a database.
*
* @param databaseName the name of the database
* @return a {@link Set} of collection names
*/
protected Set<String> getCollectionNames(final String databaseName) {
final MongoDatabase mongoDatabase = mongoClient.getDatabase(databaseName);
final Set<String> collectionSet = new HashSet<>();
final MongoCursor<String> cursor = mongoDatabase.listCollectionNames().iterator();
while (cursor.hasNext()) {
collectionSet.add(cursor.next());
}
return collectionSet;
}
/**
* Creates indices for faster lookups in the database
*
* @since 1.12.15
*/
public static void createIndices() {
MongoDatabase lettersdb = mongoClient.getDatabase(databaseName);
for (final String name : lettersdb.listCollectionNames()) {
System.out.println("collection:" + name);
if (name.startsWith(prefixCollectionPrefix)) {
MongoCollection<Document> prefixCollection = lettersdb.getCollection(name);
prefixCollection.createIndex(ascending(prefixAttribute));
}
}
MongoCollection<Document> wordCollection = lettersdb.getCollection(wordCollectionName);
wordCollection.createIndex(ascending(wordAttribute));
}