AWS 文檔 AWS SDK示例 GitHub 回購中有更多SDK示例
本文為英文版的機器翻譯版本,如內容有任何歧義或不一致之處,概以英文版為準。
搭CreateDataset
配 AWS SDK或使用 CLI
下列程式碼範例會示範如何使用CreateDataset
。
- Java
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- SDK對於爪哇 2.x
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注意
還有更多關於 GitHub。尋找完整範例,並了解如何在AWS 設定和執行程式碼範例儲存庫
。 import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.CreateDatasetRequest; import software.amazon.awssdk.services.forecast.model.Schema; import software.amazon.awssdk.services.forecast.model.SchemaAttribute; import software.amazon.awssdk.services.forecast.model.CreateDatasetResponse; import software.amazon.awssdk.services.forecast.model.ForecastException; import java.util.ArrayList; import java.util.List; /** * Before running this Java V2 code example, set up your development * environment, including your credentials. * * For more information, see the following documentation topic: * * https://docs.aws.amazon.com/sdk-for-java/latest/developer-guide/get-started.html */ public class CreateDataSet { public static void main(String[] args) { final String usage = """ Usage: <name>\s Where: name - The name of the data set.\s """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String name = args[0]; Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); String myDataSetARN = createForecastDataSet(forecast, name); System.out.println("The ARN of the new data set is " + myDataSetARN); forecast.close(); } public static String createForecastDataSet(ForecastClient forecast, String name) { try { Schema schema = Schema.builder() .attributes(getSchema()) .build(); CreateDatasetRequest datasetRequest = CreateDatasetRequest.builder() .datasetName(name) .domain("CUSTOM") .datasetType("RELATED_TIME_SERIES") .dataFrequency("D") .schema(schema) .build(); CreateDatasetResponse response = forecast.createDataset(datasetRequest); return response.datasetArn(); } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } return ""; } // Create a SchemaAttribute list required to create a data set. private static List<SchemaAttribute> getSchema() { List<SchemaAttribute> schemaList = new ArrayList<>(); SchemaAttribute att1 = SchemaAttribute.builder() .attributeName("item_id") .attributeType("string") .build(); SchemaAttribute att2 = SchemaAttribute.builder() .attributeName("timestamp") .attributeType("timestamp") .build(); SchemaAttribute att3 = SchemaAttribute.builder() .attributeName("target_value") .attributeType("float") .build(); // Push the SchemaAttribute objects to the List. schemaList.add(att1); schemaList.add(att2); schemaList.add(att3); return schemaList; } }
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如需詳API細資訊,請參閱AWS SDK for Java 2.x API參考CreateDataset中的。
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動作
CreateForecast