Example usage for com.mongodb MongoURI getCredentials

Introduction

In this page you can find the example usage for com.mongodb MongoURI getCredentials.

Prototype

@Nullable
public MongoCredential getCredentials() 

Source Link

Document

Gets the credentials.

Usage

From source file:org.icgc.dcc.release.job.imports.hadoop.MongoAdminInputFormat.java

License:Open Source License

/**
 * Method to workaround {@code mongo-hadoop}'s lack of authentication support for the {@code splitVector} command
 * which first requires the client to authenticate against the {@code admin} db. This may be related to the referenced
 * links below.//from  w w  w  . j  ava 2 s.c om
 * 
 * @param collectionUri a Mongo collection URI to any collection on the target database
 * @see https://jira.mongodb.org/browse/HADOOP-43
 * @see https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/aTh_o0u-_B0
 */
private static void authenticateAdmin(String collectionUri) {
    MongoURI mongoUri = mongoUri(collectionUri);
    if (mongoUri.getCredentials() == null) {
        // No need for the workaround
        return;
    }

    // Need to use this method which caches an instance of Mongo that is later
    // used for 'splitVector'ing in MongoSplitter
    Mongo hadoopMongo = getHadoopMongo(mongoUri);

    // Ensure that the downstream 'splitVector' command will succeed by
    // first authenticating against the admin db using the shared 'db' connection
    // object.
    authenticateAdmin(mongoUri, hadoopMongo);
}

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