Utiliser une map dans un Job Big Data Batch
Créez un Job Big Data Batch pour convertir une entrée JSON en deux CSV de sortie.
Pourquoi et quand exécuter cette tâche
Dans cet exemple, vous avez un fichier JSON contenant des informations relatives à un trajet. Chaque élément course peut contenir plusieurs éléments modules et chacun de ces éléments cntient plusieurs éléments sections. L'objectif est de créer un fichier CSV contenant des informations concernant des modules et un contenant les sections. Vous pouvez utiliser l'échantillon JSON suivant en entrée :
[
{
"course": "Business Analytics",
"modules": [
{
"id": "4657f87c-abe6-4ec3-abb8-3d4ac721b951",
"title": "Describing and Summarizing Data",
"sections": [
{
"id": "6fd75dff-aa6e-45ad-bc2a-7abc7268a5ac",
"title": "1.1 Introduction"
},
{
"id": "e18d6e8a-8bf1-46bc-89cb-7812a48bb2af",
"title": "1.2 Visualizing Data"
},
{
"id": "02e3c316-a136-4c18-a01c-ab97bb51c255",
"title": "1.3 Descriptive Statistics"
},
{
"id": "e5b4d067-aae7-41c0-b8fe-46fe6aee9924",
"title": "Module 1 Quiz"
}
]
},
{
"id": "347eddf2-1307-4a7f-84e0-1f56093e8b9c",
"title": "Sampling and Estimation",
"sections": [
{
"id": "807fef96-b140-45bc-8006-cd872ee3bcb0",
"title": "2.1 Creating Representative and Unbiased Samples"
},
{
"id": "9703cdf7-1749-4d17-8e4d-a4083496eafa",
"title": "2.2 The Normal Distribution"
},
{
"id": "976af36f-20e4-488d-b92d-e9adec2736f5",
"title": "2.3 Confidence Intervals"
},
{
"id": "e19a155d-7d94-4825-9376-c5e5832f26d7",
"title": "Module 2 Quiz"
}
]
}
]
},
{
"course": "Computer Science",
"modules": [
{
"id": "ccea3e72-afe7-40ef-9ce2-de4ac33e93df",
"title": "Languages and Data Structures",
"sections": [
{
"id": "7f885df5-90b5-43ca-bd06-870d93590854",
"title": "1.1 Introduction"
},
{
"id": "1acc356f-8ad3-46cd-8c66-69252db7f2d9",
"title": "1.2 Algorithm Analysis"
},
{
"id": "cdbfc79e-2956-4894-9d8e-d571a28d7f75",
"title": "1.3 Abstract Data Types"
},
{
"id": "53a2d237-18c3-414c-86a8-bc82512ad71f",
"title": "Module 1 Quiz"
}
]
}
]
},
{
"course": "Management",
"modules": [
{
"id": "klea3e72-afe7-40ef-8rd9-de4ac33e93gt",
"title": "Management and Organizational Behavior",
"sections": [
{
"id": "9a885df5-72a1-43ca-bd06-870d93590889",
"title": "1.1 Introduction"
},
{
"id": "6bcc356f-2fx3-46cd-8c66-69252db7f2f8",
"title": "1.2 Cultural Values and Diversity"
},
{
"id": "pabfc79e-9654-4894-9d8e-d571a28d7f21",
"title": "1.3 Managing a Global Team"
},
{
"id": "61a2d237-56n6-414c-86a8-bc82512ad79m",
"title": "Module 1 Quiz"
}
]
}
]
}
]