Ada lebih banyak contoh AWS SDK yang tersedia di repo Contoh SDK AWS Doc
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Contoh Forecast menggunakan SDK for Java 2.x
Contoh kode berikut menunjukkan cara melakukan tindakan dan menerapkan skenario umum dengan menggunakan AWS SDK for Java 2.x with Forecast.
Tindakan adalah kutipan kode dari program yang lebih besar dan harus dijalankan dalam konteks. Sementara tindakan menunjukkan cara memanggil fungsi layanan individual, Anda dapat melihat tindakan dalam konteks dalam skenario terkait.
Setiap contoh menyertakan tautan ke kode sumber lengkap, di mana Anda dapat menemukan instruksi tentang cara mengatur dan menjalankan kode dalam konteks.
Topik
Tindakan
Contoh kode berikut menunjukkan cara menggunakanCreateDataset
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- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. 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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Untuk detail API, lihat CreateDatasetdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanCreateForecast
.
- SDK untuk Java 2.x
-
catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.CreateForecastRequest; import software.amazon.awssdk.services.forecast.model.CreateForecastResponse; import software.amazon.awssdk.services.forecast.model.ForecastException; /** * 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 CreateForecast { public static void main(String[] args) { final String usage = """ Usage: <name> <predictorArn>\s Where: name - The name of the forecast.\s predictorArn - The arn of the predictor to use.\s """; if (args.length != 2) { System.out.println(usage); System.exit(1); } String name = args[0]; String predictorArn = args[1]; Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); String forecastArn = createNewForecast(forecast, name, predictorArn); System.out.println("The ARN of the new forecast is " + forecastArn); forecast.close(); } public static String createNewForecast(ForecastClient forecast, String name, String predictorArn) { try { CreateForecastRequest forecastRequest = CreateForecastRequest.builder() .forecastName(name) .predictorArn(predictorArn) .build(); CreateForecastResponse response = forecast.createForecast(forecastRequest); return response.forecastArn(); } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } return ""; } }
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Untuk detail API, lihat CreateForecastdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanDeleteDataset
.
- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.DeleteDatasetRequest; import software.amazon.awssdk.services.forecast.model.ForecastException; /** * 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 DeleteDataset { public static void main(String[] args) { final String usage = """ Usage: <datasetARN>\s Where: datasetARN - The ARN of the data set to delete.\s """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String datasetARN = args[0]; Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); deleteForecastDataSet(forecast, datasetARN); forecast.close(); } public static void deleteForecastDataSet(ForecastClient forecast, String myDataSetARN) { try { DeleteDatasetRequest deleteRequest = DeleteDatasetRequest.builder() .datasetArn(myDataSetARN) .build(); forecast.deleteDataset(deleteRequest); System.out.println("The Data Set was deleted"); } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
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Untuk detail API, lihat DeleteDatasetdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanDeleteForecast
.
- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.DeleteDatasetRequest; import software.amazon.awssdk.services.forecast.model.ForecastException; /** * 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 DeleteDataset { public static void main(String[] args) { final String usage = """ Usage: <datasetARN>\s Where: datasetARN - The ARN of the data set to delete.\s """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String datasetARN = args[0]; Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); deleteForecastDataSet(forecast, datasetARN); forecast.close(); } public static void deleteForecastDataSet(ForecastClient forecast, String myDataSetARN) { try { DeleteDatasetRequest deleteRequest = DeleteDatasetRequest.builder() .datasetArn(myDataSetARN) .build(); forecast.deleteDataset(deleteRequest); System.out.println("The Data Set was deleted"); } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
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Untuk detail API, lihat DeleteForecastdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanDescribeForecast
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- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.DescribeForecastRequest; import software.amazon.awssdk.services.forecast.model.DescribeForecastResponse; import software.amazon.awssdk.services.forecast.model.ForecastException; /** * 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 DescribeForecast { public static void main(String[] args) { final String usage = """ Usage: <forecastarn>\s Where: forecastarn - The arn of the forecast (for example, "arn:aws:forecast:us-west-2:xxxxx322:forecast/my_forecast) """; if (args.length != 1) { System.out.println(usage); System.exit(1); } String forecastarn = args[0]; Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); describe(forecast, forecastarn); forecast.close(); } public static void describe(ForecastClient forecast, String forecastarn) { try { DescribeForecastRequest request = DescribeForecastRequest.builder() .forecastArn(forecastarn) .build(); DescribeForecastResponse response = forecast.describeForecast(request); System.out.println("The name of the forecast is " + response.forecastName()); } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
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Untuk detail API, lihat DescribeForecastdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanListDatasetGroups
.
- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.DatasetGroupSummary; import software.amazon.awssdk.services.forecast.model.ListDatasetGroupsRequest; import software.amazon.awssdk.services.forecast.model.ListDatasetGroupsResponse; import software.amazon.awssdk.services.forecast.model.ForecastException; 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 ListDataSetGroups { public static void main(String[] args) { Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); listDataGroups(forecast); forecast.close(); } public static void listDataGroups(ForecastClient forecast) { try { ListDatasetGroupsRequest group = ListDatasetGroupsRequest.builder() .maxResults(10) .build(); ListDatasetGroupsResponse response = forecast.listDatasetGroups(group); List<DatasetGroupSummary> groups = response.datasetGroups(); for (DatasetGroupSummary myGroup : groups) { System.out.println("The Data Set name is " + myGroup.datasetGroupName()); } } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
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Untuk detail API, lihat ListDatasetGroupsdi Referensi AWS SDK for Java 2.x API.
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Contoh kode berikut menunjukkan cara menggunakanListForecasts
.
- SDK untuk Java 2.x
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catatan
Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS
. import software.amazon.awssdk.regions.Region; import software.amazon.awssdk.services.forecast.ForecastClient; import software.amazon.awssdk.services.forecast.model.ListForecastsResponse; import software.amazon.awssdk.services.forecast.model.ListForecastsRequest; import software.amazon.awssdk.services.forecast.model.ForecastSummary; import software.amazon.awssdk.services.forecast.model.ForecastException; 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 ListForecasts { public static void main(String[] args) { Region region = Region.US_WEST_2; ForecastClient forecast = ForecastClient.builder() .region(region) .build(); listAllForeCasts(forecast); forecast.close(); } public static void listAllForeCasts(ForecastClient forecast) { try { ListForecastsRequest request = ListForecastsRequest.builder() .maxResults(10) .build(); ListForecastsResponse response = forecast.listForecasts(request); List<ForecastSummary> forecasts = response.forecasts(); for (ForecastSummary forecastSummary : forecasts) { System.out.println("The name of the forecast is " + forecastSummary.forecastName()); } } catch (ForecastException e) { System.err.println(e.awsErrorDetails().errorMessage()); System.exit(1); } } }
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Untuk detail API, lihat ListForecastsdi Referensi AWS SDK for Java 2.x API.
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