index = config.index().get() == null ? DEFAULT_INDEX_NAME : config.index().get();
indexNonAggregatedAssociations = config.indexNonAggregatedAssociations().get();
String[] nodes = config.nodes().get() == null ? new String[]{ "localhost:9300" } : config.nodes().get().split( "," );
boolean clusterSniff = config.clusterSniff().get();
boolean ignoreClusterName = config.ignoreClusterName().get();
String pingTimeout = config.pingTimeout().get() == null ? "5s" : config.pingTimeout().get();
String samplerInterval = config.samplerInterval().get() == null ? "5s" : config.samplerInterval().get();
Settings settings = ImmutableSettings.settingsBuilder().
put( "cluster.name", clusterName ).