@Override
    public DBInstance switchoverReadReplica(SwitchoverReadReplicaRequest request) {
        request = beforeClientExecution(request);
        return executeSwitchoverReadReplica(request);
    }
<p>
Switches over an Oracle standby database in an Oracle Data Guard environment, making it the new primary database.
Issue this command in the Region that hosts the current standby database.
</p>

@param switchoverReadReplicaRequest
@return Result of the SwitchoverReadReplica operation returned by the service.
@throws DBInstanceNotFoundException
        <code>DBInstanceIdentifier</code> doesn't refer to an existing DB instance.
@throws InvalidDBInstanceStateException
        The DB instance isn't in a valid state.
@sample AmazonRDS.SwitchoverReadReplica
@see <a href="http://docs.aws.amazon.com/goto/WebAPI/rds-2014-10-31/SwitchoverReadReplica" target="_top">AWS API
     Documentation</a>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/AmazonRDSClient.java