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The AWS Java SDK for Amazon Machine Learning module holds the client classes that is used for communicating with Amazon Machine Learning Service
/*
* Copyright 2015-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.amazonaws.services.machinelearning.internal;
import java.util.UUID;
import com.amazonaws.AmazonWebServiceRequest;
import com.amazonaws.Request;
import com.amazonaws.Response;
import com.amazonaws.handlers.RequestHandler2;
import com.amazonaws.services.machinelearning.model.CreateBatchPredictionRequest;
import com.amazonaws.services.machinelearning.model.CreateDataSourceFromRDSRequest;
import com.amazonaws.services.machinelearning.model.CreateDataSourceFromRedshiftRequest;
import com.amazonaws.services.machinelearning.model.CreateDataSourceFromS3Request;
import com.amazonaws.services.machinelearning.model.CreateEvaluationRequest;
import com.amazonaws.services.machinelearning.model.CreateMLModelRequest;
/**
* CreateXxx API calls require a unique (for all time!) ID parameter for
* idempotency. If the user doesn't specify one, fill in a GUID.
*/
public class RandomIdHandler extends RequestHandler2 {
@Override
public AmazonWebServiceRequest beforeMarshalling(
AmazonWebServiceRequest request) {
if (request instanceof CreateBatchPredictionRequest) {
CreateBatchPredictionRequest copy =
(CreateBatchPredictionRequest) request;
if (copy.getBatchPredictionId() == null) {
copy = copy.clone();
copy.setBatchPredictionId(UUID.randomUUID().toString());
}
return copy;
} else if (request instanceof CreateDataSourceFromRDSRequest) {
CreateDataSourceFromRDSRequest copy =
(CreateDataSourceFromRDSRequest) request;
if (copy.getDataSourceId() == null) {
copy = copy.clone();
copy.setDataSourceId(UUID.randomUUID().toString());
}
return copy;
} else if (request instanceof CreateDataSourceFromRedshiftRequest) {
CreateDataSourceFromRedshiftRequest copy =
(CreateDataSourceFromRedshiftRequest) request;
if (copy.getDataSourceId() == null) {
copy = copy.clone();
copy.setDataSourceId(UUID.randomUUID().toString());
}
return copy;
} else if (request instanceof CreateDataSourceFromS3Request) {
CreateDataSourceFromS3Request copy =
(CreateDataSourceFromS3Request) request;
if (copy.getDataSourceId() == null) {
copy = copy.clone();
copy.setDataSourceId(UUID.randomUUID().toString());
}
return copy;
} else if (request instanceof CreateEvaluationRequest) {
CreateEvaluationRequest copy =
(CreateEvaluationRequest) request;
if (copy.getEvaluationId() == null) {
copy = copy.clone();
copy.setEvaluationId(UUID.randomUUID().toString());
}
return copy;
} else if (request instanceof CreateMLModelRequest) {
CreateMLModelRequest copy = (CreateMLModelRequest) request;
if (copy.getMLModelId() == null) {
copy = copy.clone();
copy.setMLModelId(UUID.randomUUID().toString());
}
return copy;
}
return request;
}
@Override
public void beforeRequest(Request> request) {
}
@Override
public void afterResponse(Request> request, Response> response) {
}
@Override
public void afterError(Request> request, Response> response, Exception e) {
}
}
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