AWS 文档 AWS SDK示例 GitHub 存储库中还有更多SDK示例
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与 AWS SDK或CreateDataset
一起使用 CLI
以下代码示例演示如何使用 CreateDataset
。
- Java
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- SDK适用于 Java 2.x
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注意
还有更多相关信息 GitHub。在 AWS 代码示例存储库
中查找完整实例,了解如何进行设置和运行。 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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有关API详细信息,请参阅 “AWS SDK for Java 2.x API参考 CreateDataset” 中的。
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操作
CreateForecast