APIを使ったデータモデルの読み取り
データモデルは名前で取得できます。応答にはそのデータモデルの属性に関する技術情報が含まれているので、データモデルのアップデートも可能です。
この例ではリクエストの送信でTalend API Testerが使われます。
Talend API Testerの詳細は、Talend Cloud API Testerユーザーガイドをご覧ください。
手順
タスクの結果
{
"namespace": "org.talend.schema",
"displayName": "Product (created via API)",
"name": "my_products_created_via_API",
"description": "Product catalog available.",
"version": 1,
"references": null,
"creationDate": 1601467434441,
"lastUpdateDate": 1601467434441,
"createdBy":{
"id": "3e2eed7d-c632-40da-822e-9780f2c74842",
"username": "user@account",
"firstName": "user",
"lastName": "name",
"enabled": true
},
"lastUpdatedBy": {
"id": "3e2eed7d-c632-40da-822e-9780f2c74842",
"username": "user@account",
"firstName": "user",
"lastName": "name",
"enabled": true
},
"fields": [{
"uuid": "333ca858-5083-4425-bf36-c4fb3c259550",
"name": "Id",
"displayName": "Id",
"path": null,
"type": "integer",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "fef4318c-b859-45ce-a454-06cd3ded3389",
"name": "Name",
"displayName": "Name",
"path": null,
"type": "text",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "7fa67525-bd6d-4b69-ad5b-f515911d32a6",
"name": "Material",
"displayName": "Material",
"path": null,
"type": "text",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "7673756a-73e8-4c4f-b460-86cc27e938e7",
"name": "Size",
"displayName": "Size",
"path": null,
"type": "text",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "1f358991-9c16-412a-88d4-75b99a3d1748",
"name": "Price",
"displayName": "Price",
"path": null,
"type": "decimal",
"description": "",
"required": true,
"constraints": [{
"name": "scaleDecimal",
"value": "2"
}],
"allowedValues": null
}, {
"uuid": "c933a4d6-3ce5-4548-99fe-102313ef47e4",
"name": "Quantity",
"displayName": "Quantity",
"path": null,
"type": "integer",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "dcd1b06f-2545-45f5-a94f-4f8ddbfc35b7",
"name": "Family",
"displayName": "Family",
"path": null,
"type": "text",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "9bf5f4b2-7454-423d-a2e7-3a41de740927",
"name": "Packaging",
"displayName": "Packaging",
"path": null,
"type": "text",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "48678877-8401-47d8-93d9-2097fe0df3c0",
"name": "ProductURL",
"displayName": "Product URL",
"path": null,
"type": "URL",
"description": "",
"required": true,
"constraints": [],
"allowedValues": null
}, {
"uuid": "737ea048-de9c-414b-9052-904ad8ed316a",
"name": "productType",
"displayName": "Type",
"path": null,
"type": "text",
"description": "",
"required": false,
"constraints": [],
"allowedValues": null
}],
"referenced": true
}情報メモ注: 存在しない名前でデータモデルを検索しようとすると、APIによって404 Not Foundというエラーが返されます。この応答には次のようなメッセージが含まれています:
"code":"SCHEMA_ALL_SCHEMA_NOT_FOUND","message":"SCHEMA_NOT_FOUND","context":{"namespace":"org.talend.schema","name":"demo_produc"}}