[GitHub] [nifi] exceptionfactory commented on a diff in pull request #6589: NIFI-10710 implement processor for AWS Polly, Textract, Translate, Tr…

[GitBox <gi...@apache.org>]

exceptionfactory commented on code in PR #6589:
URL: https://github.com/apache/nifi/pull/6589#discussion_r1044077701


##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStarter.java:
##########
@@ -0,0 +1,161 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.commons.io.IOUtils;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStarter<T extends AmazonWebServiceClient, REQUEST extends AmazonWebServiceRequest, RESPONSE extends AmazonWebServiceResult>
+        extends AbstractAWSCredentialsProviderProcessor<T> {
+    protected static final String AWS_TASK_ID_PROPERTY = "awsTaskId";

Review Comment:
   `protected static` variables should be listed after `public static` variables.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStarter.java:
##########
@@ -0,0 +1,161 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.commons.io.IOUtils;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStarter<T extends AmazonWebServiceClient, REQUEST extends AmazonWebServiceRequest, RESPONSE extends AmazonWebServiceResult>
+        extends AbstractAWSCredentialsProviderProcessor<T> {
+    protected static final String AWS_TASK_ID_PROPERTY = "awsTaskId";
+    public static final PropertyDescriptor JSON_PAYLOAD = new PropertyDescriptor.Builder()
+            .name("json-payload")
+            .displayName("JSON Payload")
+            .description("JSON request for AWS Machine Learning services. The Processor will use FlowFile content for the request when this property is not specified.")
+            .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+            .build();
+    public static final PropertyDescriptor MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE =
+            new PropertyDescriptor.Builder().fromPropertyDescriptor(AWS_CREDENTIALS_PROVIDER_SERVICE)
+                    .required(true)
+                    .build();
+    public static final PropertyDescriptor REGION = new PropertyDescriptor.Builder()
+            .displayName("Region")
+            .name("aws-region")
+            .required(true)
+            .allowableValues(getAvailableRegions())
+            .defaultValue(createAllowableValue(Regions.DEFAULT_REGION).getValue())
+            .build();
+    protected static final List<PropertyDescriptor> PROPERTIES = Collections.unmodifiableList(Arrays.asList(

Review Comment:
   This should be below `public static` variables.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStatusProcessor.java:
##########
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.ResponseMetadata;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.http.SdkHttpMetadata;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.ProcessorInitializationContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStatusProcessor<T extends AmazonWebServiceClient>
+        extends AbstractAWSCredentialsProviderProcessor<T>  {
+    public static final String AWS_TASK_ID_PROPERTY = "awsTaskId";
+    public static final String AWS_TASK_OUTPUT_LOCATION = "outputLocation";
+    public static final PropertyDescriptor MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE =
+            new PropertyDescriptor.Builder().fromPropertyDescriptor(AWS_CREDENTIALS_PROVIDER_SERVICE)
+                    .required(true)
+                    .build();
+    public static final Relationship REL_ORIGINAL = new Relationship.Builder()
+            .name("original")
+            .description("Upon successful completion, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final Relationship REL_RUNNING = new Relationship.Builder()
+            .name("running")
+            .description("The job is currently still being processed")
+            .build();
+    public static final Relationship REL_SUCCESS = new Relationship.Builder()
+            .name("success")
+            .description("Job successfully finished. FlowFile will be routed to this relation.")
+            .build();
+    public static final Relationship REL_THROTTLED = new Relationship.Builder()
+            .name("throttled")
+            .description("Retrieving results failed for some reason, but the issue is likely to resolve on its own, such as Provisioned Throughput Exceeded or a Throttling failure. " +
+                    "It is generally expected to retry this relationship.")
+            .build();
+    public static final Relationship REL_FAILURE = new Relationship.Builder()
+            .name("failure")
+            .description("The job failed, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final PropertyDescriptor REGION = new PropertyDescriptor.Builder()
+            .displayName("Region")
+            .name("aws-region")
+            .required(true)
+            .allowableValues(getAvailableRegions())
+            .defaultValue(createAllowableValue(Regions.DEFAULT_REGION).getValue())
+            .build();
+    protected final ObjectMapper mapper = JsonMapper.builder()
+            .configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true)
+            .build();
+    protected static final List<PropertyDescriptor> PROPERTIES = Collections.unmodifiableList(Arrays.asList(
+            MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE,
+            REGION,
+            TIMEOUT,
+            SSL_CONTEXT_SERVICE,
+            ENDPOINT_OVERRIDE,
+            PROXY_CONFIGURATION_SERVICE));
+
+    public static final String FAILURE_REASON_ATTRIBUTE = "failure.reason";

Review Comment:
   This should be moved above `protected static` members.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/StartAwsTextractJob.java:
##########
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionResult;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisResult;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStarter;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Trigger a AWS Textract job. It should be followed by GetAwsTextractJobStatus processor in order to monitor job status.")
+@SeeAlso({GetAwsTextractJobStatus.class})
+public class StartAwsTextractJob extends AwsMachineLearningJobStarter<AmazonTextractClient, AmazonWebServiceRequest, AmazonWebServiceResult> {
+    private static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    private static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    private static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")
+            .displayName("Type of textract")
+            .allowableValues(DOCUMENT_ANALYSIS, DOCUMENT_TEXT_DETECTION, EXPENSE_ANALYSIS)
+            .required(true)
+            .defaultValue("Document Analysis")

Review Comment:
   ```suggestion
               .defaultValue(DOCUMENT_ANALYSIS)
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTextractJobStatus.java:
##########
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.expression.ExpressionLanguageScope.FLOWFILE_ATTRIBUTES;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.GetExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.JobStatus;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Retrieves the current status of an AWS Textract job.")
+@SeeAlso({StartAwsTextractJob.class})
+public class GetAwsTextractJobStatus extends AwsMachineLearningJobStatusProcessor<AmazonTextractClient> {
+    public static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    public static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    public static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")
+            .displayName("Type of textract")

Review Comment:
   ```suggestion
               .displayName("Textract Type")
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.apache.nifi.processors.aws.ml.textract.GetAwsTextractJobStatus.DOCUMENT_ANALYSIS;
+import static org.apache.nifi.processors.aws.ml.textract.StartAwsTextractJob.TYPE;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.JobStatus;
+import com.google.common.collect.ImmutableMap;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private TestRunner runner = null;

Review Comment:
   ```suggestion
       private TestRunner runner;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/translate/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.translate;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_OUTPUT_LOCATION;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.translate.AmazonTranslateClient;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobRequest;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobResult;
+import com.amazonaws.services.translate.model.JobStatus;
+import com.amazonaws.services.translate.model.OutputDataConfig;
+import com.amazonaws.services.translate.model.TextTranslationJobProperties;
+import java.util.Collections;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private static final String CONTENT_STRING = "content";
+    private static final String AWS_CREDENTIALS_PROVIDER_NAME = "awsCredetialProvider";
+    private static final String OUTPUT_LOCATION_PATH = "outputLocation";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTranslateClient mockTranslateClient = null;
+    @Mock
+    private AWSCredentialsProviderService mockAwsCredentialsProvider = null;

Review Comment:
   ```suggestion
       private AWSCredentialsProviderService mockAwsCredentialsProvider;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/translate/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.translate;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_OUTPUT_LOCATION;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.translate.AmazonTranslateClient;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobRequest;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobResult;
+import com.amazonaws.services.translate.model.JobStatus;
+import com.amazonaws.services.translate.model.OutputDataConfig;
+import com.amazonaws.services.translate.model.TextTranslationJobProperties;
+import java.util.Collections;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private static final String CONTENT_STRING = "content";
+    private static final String AWS_CREDENTIALS_PROVIDER_NAME = "awsCredetialProvider";
+    private static final String OUTPUT_LOCATION_PATH = "outputLocation";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTranslateClient mockTranslateClient = null;

Review Comment:
   ```suggestion
       private AmazonTranslateClient mockTranslateClient;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/translate/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,129 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.translate;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_OUTPUT_LOCATION;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.translate.AmazonTranslateClient;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobRequest;
+import com.amazonaws.services.translate.model.DescribeTextTranslationJobResult;
+import com.amazonaws.services.translate.model.JobStatus;
+import com.amazonaws.services.translate.model.OutputDataConfig;
+import com.amazonaws.services.translate.model.TextTranslationJobProperties;
+import java.util.Collections;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private static final String CONTENT_STRING = "content";
+    private static final String AWS_CREDENTIALS_PROVIDER_NAME = "awsCredetialProvider";
+    private static final String OUTPUT_LOCATION_PATH = "outputLocation";
+    private TestRunner runner = null;

Review Comment:
   ```suggestion
       private TestRunner runner;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStatusProcessor.java:
##########
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.ResponseMetadata;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.http.SdkHttpMetadata;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.ProcessorInitializationContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStatusProcessor<T extends AmazonWebServiceClient>
+        extends AbstractAWSCredentialsProviderProcessor<T>  {
+    public static final String AWS_TASK_ID_PROPERTY = "awsTaskId";
+    public static final String AWS_TASK_OUTPUT_LOCATION = "outputLocation";
+    public static final PropertyDescriptor MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE =
+            new PropertyDescriptor.Builder().fromPropertyDescriptor(AWS_CREDENTIALS_PROVIDER_SERVICE)
+                    .required(true)
+                    .build();
+    public static final Relationship REL_ORIGINAL = new Relationship.Builder()
+            .name("original")
+            .description("Upon successful completion, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final Relationship REL_RUNNING = new Relationship.Builder()
+            .name("running")
+            .description("The job is currently still being processed")
+            .build();
+    public static final Relationship REL_SUCCESS = new Relationship.Builder()
+            .name("success")
+            .description("Job successfully finished. FlowFile will be routed to this relation.")
+            .build();
+    public static final Relationship REL_THROTTLED = new Relationship.Builder()
+            .name("throttled")
+            .description("Retrieving results failed for some reason, but the issue is likely to resolve on its own, such as Provisioned Throughput Exceeded or a Throttling failure. " +
+                    "It is generally expected to retry this relationship.")
+            .build();
+    public static final Relationship REL_FAILURE = new Relationship.Builder()
+            .name("failure")
+            .description("The job failed, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final PropertyDescriptor REGION = new PropertyDescriptor.Builder()
+            .displayName("Region")
+            .name("aws-region")
+            .required(true)
+            .allowableValues(getAvailableRegions())
+            .defaultValue(createAllowableValue(Regions.DEFAULT_REGION).getValue())
+            .build();
+    protected final ObjectMapper mapper = JsonMapper.builder()

Review Comment:
   The `mapper` instance can be `static`:
   ```suggestion
       protected static final ObjectMapper mapper = JsonMapper.builder()
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTextractJobStatus.java:
##########
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.expression.ExpressionLanguageScope.FLOWFILE_ATTRIBUTES;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.GetExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.JobStatus;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Retrieves the current status of an AWS Textract job.")
+@SeeAlso({StartAwsTextractJob.class})
+public class GetAwsTextractJobStatus extends AwsMachineLearningJobStatusProcessor<AmazonTextractClient> {
+    public static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    public static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    public static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")
+            .displayName("Type of textract")
+            .expressionLanguageSupported(FLOWFILE_ATTRIBUTES)
+            .allowableValues(DOCUMENT_ANALYSIS, DOCUMENT_TEXT_DETECTION, EXPENSE_ANALYSIS)
+            .required(true)
+            .defaultValue("Document Analysis")

Review Comment:
   ```suggestion
               .defaultValue(DOCUMENT_ANALYSIS)
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/polly/GetAwsPollyJobStatus.java:
##########
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.polly;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.polly.AmazonPollyClient;
+import com.amazonaws.services.polly.AmazonPollyClientBuilder;
+import com.amazonaws.services.polly.model.GetSpeechSynthesisTaskRequest;
+import com.amazonaws.services.polly.model.GetSpeechSynthesisTaskResult;
+import com.amazonaws.services.polly.model.TaskStatus;
+import com.amazonaws.services.textract.model.ThrottlingException;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.behavior.WritesAttributes;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Polly"})
+@CapabilityDescription("Retrieves the current status of an AWS Polly job.")
+@SeeAlso({StartAwsPollyJob.class})
+@WritesAttributes({
+        @WritesAttribute(attribute = "PollyS3OutputBucket", description = "The bucket name where polly output will be located."),
+        @WritesAttribute(attribute = "PollyS3OutputKey", description = "Object key of polly output."),
+        @WritesAttribute(attribute = "outputLocation", description = "S3 path-style output location of the result.")
+})
+public class GetAwsPollyJobStatus extends AwsMachineLearningJobStatusProcessor<AmazonPollyClient> {
+    private static final String BUCKET = "bucket";
+    private static final String KEY = "key";
+    private static final Pattern S3_PATH = Pattern.compile("https://s3.*amazonaws.com/(?<" + BUCKET + ">[^/]+)/(?<" + KEY + ">.*)");
+    private static final String AWS_S3_BUCKET = "PollyS3OutputBucket";
+    private static final String AWS_S3_KEY = "PollyS3OutputKey";

Review Comment:
   Is there a particular reason for writing out these attributes as opposed to just the `outputLocation` attribute? It seems unnecessary, and would remove the need for the regular expression matching, unless there is some added value in having these attributes.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStarter.java:
##########
@@ -0,0 +1,161 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.commons.io.IOUtils;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStarter<T extends AmazonWebServiceClient, REQUEST extends AmazonWebServiceRequest, RESPONSE extends AmazonWebServiceResult>
+        extends AbstractAWSCredentialsProviderProcessor<T> {
+    protected static final String AWS_TASK_ID_PROPERTY = "awsTaskId";
+    public static final PropertyDescriptor JSON_PAYLOAD = new PropertyDescriptor.Builder()
+            .name("json-payload")
+            .displayName("JSON Payload")
+            .description("JSON request for AWS Machine Learning services. The Processor will use FlowFile content for the request when this property is not specified.")
+            .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+            .build();
+    public static final PropertyDescriptor MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE =
+            new PropertyDescriptor.Builder().fromPropertyDescriptor(AWS_CREDENTIALS_PROVIDER_SERVICE)
+                    .required(true)
+                    .build();
+    public static final PropertyDescriptor REGION = new PropertyDescriptor.Builder()
+            .displayName("Region")
+            .name("aws-region")
+            .required(true)
+            .allowableValues(getAvailableRegions())
+            .defaultValue(createAllowableValue(Regions.DEFAULT_REGION).getValue())
+            .build();
+    protected static final List<PropertyDescriptor> PROPERTIES = Collections.unmodifiableList(Arrays.asList(
+            JSON_PAYLOAD,
+            MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE,
+            REGION,
+            TIMEOUT,
+            SSL_CONTEXT_SERVICE,
+            ENDPOINT_OVERRIDE));
+    public static final Relationship REL_ORIGINAL = new Relationship.Builder()
+            .name("original")
+            .description("Upon successful completion, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    private final ObjectMapper mapper = JsonMapper.builder()
+            .configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true)
+            .build();
+
+    private static final Set<Relationship> relationships = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
+            REL_ORIGINAL,
+            REL_SUCCESS,
+            REL_FAILURE
+    )));
+
+    @Override
+    public Set<Relationship> getRelationships() {
+        return relationships;
+    }
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return PROPERTIES;
+    }
+
+    @Override
+    public void onTrigger(final ProcessContext context, final ProcessSession session) {
+        FlowFile flowFile = session.get();
+        if (flowFile == null) {
+            return;
+        }
+        final RESPONSE response;
+        FlowFile childFlowFile;
+        try {
+            response = sendRequest(buildRequest(session, context, flowFile), context);
+            childFlowFile = writeToFlowFile(session, flowFile, response);
+            postProcessFlowFile(context, session, childFlowFile, response);
+        } catch (Exception e) {
+            session.transfer(flowFile, REL_FAILURE);
+            getLogger().error("Sending AWS ML Request failed", e);
+            return;
+        }
+        session.transfer(flowFile, REL_ORIGINAL);
+        session.transfer(childFlowFile, REL_SUCCESS);
+    }
+
+    protected void postProcessFlowFile(ProcessContext context, ProcessSession session, FlowFile flowFile, RESPONSE response) {
+        session.putAttribute(flowFile, AWS_TASK_ID_PROPERTY, getAwsTaskId(context, response));
+        getLogger().debug("AWS ML task has been started with task id: {}", getAwsTaskId(context, response));
+    }
+
+    protected REQUEST buildRequest(ProcessSession session, ProcessContext context, FlowFile flowFile) throws JsonProcessingException {
+        return mapper.readValue(getPayload(session, context, flowFile), getAwsRequestClass(context));
+    }
+
+    private String getPayload(ProcessSession session, ProcessContext context, FlowFile flowFile) {

Review Comment:
   `private` methods should be listed after `protected` methods.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/AwsMachineLearningJobStatusProcessor.java:
##########
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml;
+
+import com.amazonaws.AmazonWebServiceClient;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.ResponseMetadata;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.http.SdkHttpMetadata;
+import com.amazonaws.regions.Regions;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.ProcessorInitializationContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor;
+
+public abstract class AwsMachineLearningJobStatusProcessor<T extends AmazonWebServiceClient>
+        extends AbstractAWSCredentialsProviderProcessor<T>  {
+    public static final String AWS_TASK_ID_PROPERTY = "awsTaskId";
+    public static final String AWS_TASK_OUTPUT_LOCATION = "outputLocation";
+    public static final PropertyDescriptor MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE =
+            new PropertyDescriptor.Builder().fromPropertyDescriptor(AWS_CREDENTIALS_PROVIDER_SERVICE)
+                    .required(true)
+                    .build();
+    public static final Relationship REL_ORIGINAL = new Relationship.Builder()
+            .name("original")
+            .description("Upon successful completion, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final Relationship REL_RUNNING = new Relationship.Builder()
+            .name("running")
+            .description("The job is currently still being processed")
+            .build();
+    public static final Relationship REL_SUCCESS = new Relationship.Builder()
+            .name("success")
+            .description("Job successfully finished. FlowFile will be routed to this relation.")
+            .build();
+    public static final Relationship REL_THROTTLED = new Relationship.Builder()
+            .name("throttled")
+            .description("Retrieving results failed for some reason, but the issue is likely to resolve on its own, such as Provisioned Throughput Exceeded or a Throttling failure. " +
+                    "It is generally expected to retry this relationship.")
+            .build();
+    public static final Relationship REL_FAILURE = new Relationship.Builder()
+            .name("failure")
+            .description("The job failed, the original FlowFile will be routed to this relationship.")
+            .autoTerminateDefault(true)
+            .build();
+    public static final PropertyDescriptor REGION = new PropertyDescriptor.Builder()
+            .displayName("Region")
+            .name("aws-region")
+            .required(true)
+            .allowableValues(getAvailableRegions())
+            .defaultValue(createAllowableValue(Regions.DEFAULT_REGION).getValue())
+            .build();
+    protected final ObjectMapper mapper = JsonMapper.builder()
+            .configure(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES, true)
+            .build();
+    protected static final List<PropertyDescriptor> PROPERTIES = Collections.unmodifiableList(Arrays.asList(
+            MANDATORY_AWS_CREDENTIALS_PROVIDER_SERVICE,
+            REGION,
+            TIMEOUT,
+            SSL_CONTEXT_SERVICE,
+            ENDPOINT_OVERRIDE,
+            PROXY_CONFIGURATION_SERVICE));
+
+    public static final String FAILURE_REASON_ATTRIBUTE = "failure.reason";
+
+    @Override
+    public Set<Relationship> getRelationships() {
+        return relationships;
+    }
+
+    private static final Set<Relationship> relationships = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
+            REL_ORIGINAL,
+            REL_SUCCESS,
+            REL_RUNNING,
+            REL_THROTTLED,
+            REL_FAILURE
+    )));
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return PROPERTIES;
+    }
+
+    @Override
+    protected T createClient(ProcessContext context, AWSCredentials credentials, ClientConfiguration config) {
+        throw new UnsupportedOperationException("Client creation not supported");
+    }
+
+    @Override
+    protected void init(ProcessorInitializationContext context) {
+        SimpleModule awsResponseModule = new SimpleModule();
+        awsResponseModule.addDeserializer(ResponseMetadata.class, new AwsResponseMetadataDeserializer());
+        SimpleModule sdkHttpModule = new SimpleModule();
+        awsResponseModule.addDeserializer(SdkHttpMetadata.class, new SdkHttpMetadataDeserializer());
+        mapper.registerModule(awsResponseModule);
+        mapper.registerModule(sdkHttpModule);

Review Comment:
   Can this be moved to a static initializer block? The current approach calls this registration process every time the processor is initialized, which is not necessary.



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTextractJobStatus.java:
##########
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.expression.ExpressionLanguageScope.FLOWFILE_ATTRIBUTES;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.GetExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.JobStatus;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Retrieves the current status of an AWS Textract job.")
+@SeeAlso({StartAwsTextractJob.class})
+public class GetAwsTextractJobStatus extends AwsMachineLearningJobStatusProcessor<AmazonTextractClient> {
+    public static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    public static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    public static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")

Review Comment:
   ```suggestion
               .name("textract-type")
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/StartAwsTextractJob.java:
##########
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionResult;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisResult;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStarter;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Trigger a AWS Textract job. It should be followed by GetAwsTextractJobStatus processor in order to monitor job status.")
+@SeeAlso({GetAwsTextractJobStatus.class})
+public class StartAwsTextractJob extends AwsMachineLearningJobStarter<AmazonTextractClient, AmazonWebServiceRequest, AmazonWebServiceResult> {
+    private static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    private static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    private static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")
+            .displayName("Type of textract")
+            .allowableValues(DOCUMENT_ANALYSIS, DOCUMENT_TEXT_DETECTION, EXPENSE_ANALYSIS)
+            .required(true)
+            .defaultValue("Document Analysis")
+            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+            .build();
+    private static final List<PropertyDescriptor> TEXTRACT_PROPERTIES =
+        Collections.unmodifiableList(Stream.concat(PROPERTIES.stream(), Stream.of(TYPE)).collect(Collectors.toList()));
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return TEXTRACT_PROPERTIES;
+    }
+
+    @Override
+    protected void postProcessFlowFile(ProcessContext context, ProcessSession session, FlowFile flowFile, AmazonWebServiceResult response) {
+        super.postProcessFlowFile(context, session, flowFile, response);
+        session.putAttribute(flowFile, TYPE.getName(), context.getProperty(TYPE.getName()).getValue());
+    }
+
+    @Override
+    protected AmazonTextractClient createClient(ProcessContext context, AWSCredentialsProvider credentialsProvider, ClientConfiguration config) {
+        return (AmazonTextractClient) AmazonTextractClient.builder()
+                .withRegion(context.getProperty(REGION).getValue())
+                .withCredentials(credentialsProvider)
+                .build();
+    }
+
+    @Override
+    protected AmazonWebServiceResult sendRequest(AmazonWebServiceRequest request, ProcessContext context) {
+        String typeOfTextract = context.getProperty(TYPE.getName()).getValue();

Review Comment:
   ```suggestion
           String textractType = context.getProperty(TYPE.getName()).getValue();
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTextractJobStatus.java:
##########
@@ -0,0 +1,132 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.expression.ExpressionLanguageScope.FLOWFILE_ATTRIBUTES;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.GetExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.JobStatus;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Retrieves the current status of an AWS Textract job.")
+@SeeAlso({StartAwsTextractJob.class})
+public class GetAwsTextractJobStatus extends AwsMachineLearningJobStatusProcessor<AmazonTextractClient> {
+    public static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    public static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    public static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()

Review Comment:
   ```suggestion
       public static final PropertyDescriptor TEXTRACT_TYPE = new PropertyDescriptor.Builder()
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/ml/textract/StartAwsTextractJob.java:
##########
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import com.amazonaws.AmazonWebServiceRequest;
+import com.amazonaws.AmazonWebServiceResult;
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.StartDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionRequest;
+import com.amazonaws.services.textract.model.StartDocumentTextDetectionResult;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisRequest;
+import com.amazonaws.services.textract.model.StartExpenseAnalysisResult;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.SeeAlso;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStarter;
+
+@Tags({"Amazon", "AWS", "ML", "Machine Learning", "Textract"})
+@CapabilityDescription("Trigger a AWS Textract job. It should be followed by GetAwsTextractJobStatus processor in order to monitor job status.")
+@SeeAlso({GetAwsTextractJobStatus.class})
+public class StartAwsTextractJob extends AwsMachineLearningJobStarter<AmazonTextractClient, AmazonWebServiceRequest, AmazonWebServiceResult> {
+    private static final String DOCUMENT_ANALYSIS = "Document Analysis";
+    private static final String DOCUMENT_TEXT_DETECTION = "Document Text Detection";
+    private static final String EXPENSE_ANALYSIS = "Expense Analysis";
+    public static final PropertyDescriptor TYPE = new PropertyDescriptor.Builder()
+            .name("type-of-service")
+            .displayName("Type of textract")

Review Comment:
   ```suggestion
       public static final PropertyDescriptor TEXTRACT)TYPE = new PropertyDescriptor.Builder()
               .name("textract-type")
               .displayName("Textract Type")
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.apache.nifi.processors.aws.ml.textract.GetAwsTextractJobStatus.DOCUMENT_ANALYSIS;
+import static org.apache.nifi.processors.aws.ml.textract.StartAwsTextractJob.TYPE;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.JobStatus;
+import com.google.common.collect.ImmutableMap;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTextractClient mockTextractClient = null;
+    @Mock
+    private AWSCredentialsProviderService mockAwsCredentialsProvider = null;

Review Comment:
   ```suggestion
       private AWSCredentialsProviderService mockAwsCredentialsProvider;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/textract/GetAwsTranslateJobStatusTest.java:
##########
@@ -0,0 +1,118 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.textract;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.apache.nifi.processors.aws.ml.textract.GetAwsTextractJobStatus.DOCUMENT_ANALYSIS;
+import static org.apache.nifi.processors.aws.ml.textract.StartAwsTextractJob.TYPE;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.textract.AmazonTextractClient;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisRequest;
+import com.amazonaws.services.textract.model.GetDocumentAnalysisResult;
+import com.amazonaws.services.textract.model.JobStatus;
+import com.google.common.collect.ImmutableMap;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranslateJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTextractClient mockTextractClient = null;

Review Comment:
   ```suggestion
       private AmazonTextractClient mockTextractClient;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/transcribe/GetAwsTranscribeJobStatusTest.java:
##########
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.transcribe;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.FAILURE_REASON_ATTRIBUTE;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.transcribe.AmazonTranscribeClient;
+import com.amazonaws.services.transcribe.model.GetTranscriptionJobRequest;
+import com.amazonaws.services.transcribe.model.GetTranscriptionJobResult;
+import com.amazonaws.services.transcribe.model.Transcript;
+import com.amazonaws.services.transcribe.model.TranscriptionJob;
+import com.amazonaws.services.transcribe.model.TranscriptionJobStatus;
+import java.util.Collections;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranscribeJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private static final String AWS_CREDENTIAL_PROVIDER_NAME = "awsCredetialProvider";
+    private static final String OUTPUT_LOCATION_PATH = "outputLocationPath";
+    private static final String REASON_OF_FAILURE = "reasonOfFailure";
+    private static final String CONTENT_STRING = "content";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTranscribeClient mockTranscribeClient = null;

Review Comment:
   ```suggestion
       private AmazonTranscribeClient mockTranscribeClient;
   ```



##########
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/test/java/org/apache/nifi/processors/aws/ml/transcribe/GetAwsTranscribeJobStatusTest.java:
##########
@@ -0,0 +1,131 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License 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 org.apache.nifi.processors.aws.ml.transcribe;
+
+import static org.apache.nifi.processors.aws.AbstractAWSCredentialsProviderProcessor.AWS_CREDENTIALS_PROVIDER_SERVICE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_FAILURE;
+import static org.apache.nifi.processors.aws.AbstractAWSProcessor.REL_SUCCESS;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.AWS_TASK_ID_PROPERTY;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.FAILURE_REASON_ATTRIBUTE;
+import static org.apache.nifi.processors.aws.ml.AwsMachineLearningJobStatusProcessor.REL_RUNNING;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.services.transcribe.AmazonTranscribeClient;
+import com.amazonaws.services.transcribe.model.GetTranscriptionJobRequest;
+import com.amazonaws.services.transcribe.model.GetTranscriptionJobResult;
+import com.amazonaws.services.transcribe.model.Transcript;
+import com.amazonaws.services.transcribe.model.TranscriptionJob;
+import com.amazonaws.services.transcribe.model.TranscriptionJobStatus;
+import java.util.Collections;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderService;
+import org.apache.nifi.reporting.InitializationException;
+import org.apache.nifi.util.TestRunner;
+import org.apache.nifi.util.TestRunners;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+public class GetAwsTranscribeJobStatusTest {
+    private static final String TEST_TASK_ID = "testTaskId";
+    private static final String AWS_CREDENTIAL_PROVIDER_NAME = "awsCredetialProvider";
+    private static final String OUTPUT_LOCATION_PATH = "outputLocationPath";
+    private static final String REASON_OF_FAILURE = "reasonOfFailure";
+    private static final String CONTENT_STRING = "content";
+    private TestRunner runner = null;
+    @Mock
+    private AmazonTranscribeClient mockTranscribeClient = null;
+    @Mock
+    private AWSCredentialsProviderService mockAwsCredentialsProvider = null;

Review Comment:
   ```suggestion
       private AWSCredentialsProviderService mockAwsCredentialsProvider;
   ```



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