public HdfsMongoDbJob host(String host) {
		Assert.hasText(host, "Host can not be empty nor null");
		this.host = host;
		return this;
	}
Sets the host where the mongo server is running
@param host The mongo host server
@return The current instance of HdfsMongoDbJob
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/HdfsMongoDbJob.java