public static FilePollHdfsJob withDefaults(String names) {
		return new FilePollHdfsJob(DEFAULT_DIRECTORY, DEFAULT_FILE_NAME, names);
	}
Creates a FilePollHdfsJob instance using defaults.
@param names the column names the job will pull from the csv file 
@return an instance of the FilePollHdfsJob
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/FilePollHdfsJob.java