我拿一个JSON文件火花/斯卡拉,我保存在一个RDD。Rdd火花和斯卡拉JSON
val dataFile = "resources/tweet-json/hello.json"
lazy val rdd = SparkCommons.sqlContext.read.format("json").load(dataFile)
查询rdd后,我想再次生成一个Json输出文件(我将发送一个get Http请求)。我如何在json中转换这个rdd?
[
{
"label": [
"fattacq_an_eser_facq",
"eu_tot_doc",
"fattacq_prot_facq",
"id_sogg",
"eu_tot_man"
],
"values": [
{
"label": "Prima Fattura 2016",
"values": [
2016,
956.48,
691,
44633,
956.48
]
},
{
"label": "Seconda Fattura 2016",
"values": [
2016,
190,
982,
38127,
190
]
},
{
"label": "Terza Fattura 2016",
"values": [
2016,
140.3,
1088,
59381,
140.3
]
},
{
"label": "Quarta Fattura 2016",
"values": [
2016,
488,
1091,
59382,
488
]
},
{
"label": "Quinta Fattura 2016",
"values": [
2016,
11365.95,
1154,
57526,
11365.95
]
},
{
"label": "Sesta Fattura 2016",
"values": [
2016,
44440.01,
1276,
5555,
44440.01
]
}
]
}
]
P.s .:我使用Play Framework – Mozzer