Example usage for com.mongodb Mongo getServerAddressList

Introduction

In this page you can find the example usage for com.mongodb Mongo getServerAddressList.

Prototype

@Deprecated
public List<ServerAddress> getServerAddressList() 

Source Link

Document

Gets the list of server addresses currently seen by this client.

Usage

From source file:com.tomtom.speedtools.tracer.mongo.MongoDBTraceHandler.java

License:Apache License

@Nonnull
static DBCollection getDBCollection(@Nonnull final String servers, @Nonnull final String database,
        @Nonnull final String userName, @Nonnull final String password, final int sizeMB,
        final int connectTimeoutMsecs) throws UnknownHostException {
    assert servers != null;
    assert database != null;
    assert userName != null;
    assert password != null;
    assert connectTimeoutMsecs >= 0;

    LOG.info("getDBCollection: Creating MongoDB connection for traces: {}", servers);
    final Mongo mongo = MongoConnectionCache.getMongoDB(servers, connectTimeoutMsecs, userName, database,
            password);/*from   w  w w .  j  a va  2 s.co m*/

    // If this is a replica set, set read preference to secondary for traces.
    final List<ServerAddress> serverAddressList = mongo.getServerAddressList();
    if (serverAddressList.size() > 1) {
        mongo.setReadPreference(ReadPreference.secondary());
    }

    // Should writes fail, then don't throw exceptions, just ignore.
    // We care more about not disturbing the primary system then our own (traces) integrity.
    mongo.setWriteConcern(WriteConcern.UNACKNOWLEDGED);

    // The connection point may actually be null... Not an error.
    final String connectPoint = mongo.getConnectPoint();
    LOG.info("getDBCollection: MongoDB connection for traces established: '{}' at {}", database, connectPoint);

    final DB db = mongo.getDB(database);
    final DBObject options = new BasicDBObject();
    options.put("capped", true);
    options.put("size", sizeMB * MEGABYTE);

    final DBCollection collection;
    if (!db.getCollectionNames().contains(Constants.COLLECTION_NAME)) {
        collection = db.createCollection(Constants.COLLECTION_NAME, options);
    } else {
        collection = db.getCollection(Constants.COLLECTION_NAME);
    }

    return collection;
}

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From source file:org.apache.hadoop.contrib.mongoreduce.MongoInputFormat.java

License:Apache License

public static String[] hostsForShard(String shardName, boolean primaryOk)
        throws UnknownHostException, MongoException {

    ArrayList<String> hosts = new ArrayList<String>();

    String[] parts = shardName.split("/");
    if (parts.length == 1) { // no replicas
        hosts.add(shardName);/*from w w  w . j  ava  2s . c o m*/
    } else { // replicas

        // get first or only host listed
        String host = parts[1].split(",")[0];
        Mongo h = new Mongo(host);
        List<ServerAddress> addresses = h.getServerAddressList();
        h.close();
        h = null;

        // only one node in replica set ... - use it
        if (addresses.size() == 1) {
            ServerAddress addr = addresses.get(0);
            hosts.add(addr.getHost() + ":" + Integer.toString(addr.getPort()));
        }

        else {
            for (ServerAddress addr : addresses) {

                // use secondaries and primaries
                if (primaryOk) {
                    hosts.add(addr.getHost() + ":" + Integer.toString(addr.getPort()));
                }

                // only use secondaries
                else {
                    String haddr = addr.getHost() + ":" + Integer.toString(addr.getPort());
                    h = new Mongo(haddr);
                    if (!(Boolean) h.getDB(h.getDatabaseNames().get(0)).command(cmd).get("ismaster")) {
                        hosts.add(haddr);
                    }
                }
            }
        }
    }

    return hosts.toArray(new String[0]);
}

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From source file:org.mongeez.dao.MongeezDao.java

License:Apache License

public MongeezDao(Mongo mongo, String databaseName, MongoAuth auth) {
    final List<MongoCredential> credentials = new LinkedList<MongoCredential>();

    if (auth != null) {
        if (auth.getAuthDb() == null || auth.getAuthDb().equals(databaseName)) {
            credentials.add(MongoCredential.createCredential(auth.getUsername(), databaseName,
                    auth.getPassword().toCharArray()));
        } else {/*from www  . j a v  a 2 s  .com*/
            credentials.add(MongoCredential.createCredential(auth.getUsername(), auth.getAuthDb(),
                    auth.getPassword().toCharArray()));
        }
    }

    final MongoClient client = new MongoClient(mongo.getServerAddressList(), credentials);
    db = client.getDB(databaseName);
    configure();
}

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