api/java/src/main/java/com/navercorp/redis/cluster/spring/RedisClusterConnection.java
public List<Object> closePipeline() {
        if (pipeline == null) {
            return Collections.emptyList();
        }

        try {
            return convertPipelineResults();
        } finally {
            pipeline.close();
            pipeline = null;
            pipelinedResults.clear();
        }
    }
public List<Object> closePipeline() {
        if (pipeline == null) {
            return Collections.emptyList();
        }

        try {
            return convertPipelineResults();
        } finally {
            pipeline.close();
            pipeline = null;
            pipelinedResults.clear();
        }
    }
/*
@see org.springframework.data.redis.connection.RedisConnection#closePipeline()