code: private static Map<String, String> loadDatabaseConfig(
  			final Configuration config) {
  		// create database configuration
  		final Map<String, String> databaseConfig = new HashMap<String, String>();
  
  		// fill database configuration
  		databaseConfig.put("cache_type", config.getCacheType());
  		databaseConfig.put("use_memory_mapped_buffers",
  				config.getUseMemoryMappedBuffers());
  
  		return databaseConfig;
  	}
docs: load the database configuration map for neo4j databases
  
  @param config
  Graphity configuration containing the configuration values
  @return neo4j database configuration map