turcsanyip commented on a change in pull request #5752: URL: https://github.com/apache/nifi/pull/5752#discussion_r802474202
########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/MoveAzureDataLakeStorage.java ########## @@ -0,0 +1,197 @@ +/* + * 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.azure.storage; + +import com.azure.storage.file.datalake.DataLakeDirectoryClient; +import com.azure.storage.file.datalake.DataLakeFileClient; +import com.azure.storage.file.datalake.DataLakeFileSystemClient; +import com.azure.storage.file.datalake.DataLakeServiceClient; +import com.azure.storage.file.datalake.models.DataLakeRequestConditions; +import com.azure.storage.file.datalake.models.DataLakeStorageException; +import org.apache.nifi.annotation.behavior.InputRequirement; +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.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.ProcessorInitializationContext; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.azure.AbstractAzureDataLakeStorageProcessor; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_PRIMARY_URI; + +@Tags({"azure", "microsoft", "cloud", "storage", "adlsgen2", "datalake"}) +@SeeAlso({DeleteAzureDataLakeStorage.class, FetchAzureDataLakeStorage.class, ListAzureDataLakeStorage.class}) +@CapabilityDescription("Moves content into an Azure Data Lake Storage Gen 2. After the move files will be no longer available on source location." + Review comment: The purpose of the processor is to move file **within** ADLS. 'into ADLS' would imply some external sources so I would change the description not to use 'into'. ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/MoveAzureDataLakeStorage.java ########## @@ -0,0 +1,197 @@ +/* + * 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.azure.storage; + +import com.azure.storage.file.datalake.DataLakeDirectoryClient; +import com.azure.storage.file.datalake.DataLakeFileClient; +import com.azure.storage.file.datalake.DataLakeFileSystemClient; +import com.azure.storage.file.datalake.DataLakeServiceClient; +import com.azure.storage.file.datalake.models.DataLakeRequestConditions; +import com.azure.storage.file.datalake.models.DataLakeStorageException; +import org.apache.nifi.annotation.behavior.InputRequirement; +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.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.ProcessorInitializationContext; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.azure.AbstractAzureDataLakeStorageProcessor; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_PRIMARY_URI; + +@Tags({"azure", "microsoft", "cloud", "storage", "adlsgen2", "datalake"}) +@SeeAlso({DeleteAzureDataLakeStorage.class, FetchAzureDataLakeStorage.class, ListAzureDataLakeStorage.class}) +@CapabilityDescription("Moves content into an Azure Data Lake Storage Gen 2. After the move files will be no longer available on source location." + + "Full directory structure must be provided without a leading '/'.") +@WritesAttributes({@WritesAttribute(attribute = ATTR_NAME_FILESYSTEM, description = ATTR_DESCRIPTION_FILESYSTEM), + @WritesAttribute(attribute = ATTR_NAME_DIRECTORY, description = ATTR_DESCRIPTION_DIRECTORY), + @WritesAttribute(attribute = ATTR_NAME_FILENAME, description = ATTR_DESCRIPTION_FILENAME), + @WritesAttribute(attribute = ATTR_NAME_PRIMARY_URI, description = ATTR_DESCRIPTION_PRIMARY_URI), + @WritesAttribute(attribute = ATTR_NAME_LENGTH, description = ATTR_DESCRIPTION_LENGTH)}) +@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED) +public class MoveAzureDataLakeStorage extends AbstractAzureDataLakeStorageProcessor { + + public static final String FAIL_RESOLUTION = "fail"; + public static final String REPLACE_RESOLUTION = "replace"; + public static final String IGNORE_RESOLUTION = "ignore"; + + + public static final PropertyDescriptor CONFLICT_RESOLUTION = new PropertyDescriptor.Builder() + .name("conflict-resolution-strategy") + .displayName("Conflict Resolution Strategy") + .description("Indicates what should happen when a file with the same name already exists in the output directory") + .required(true) + .defaultValue(FAIL_RESOLUTION) + .allowableValues(FAIL_RESOLUTION, REPLACE_RESOLUTION, IGNORE_RESOLUTION) + .build(); + + public static final PropertyDescriptor SOURCE_FILESYSTEM = new PropertyDescriptor.Builder() + .name("source-filesystem-name") + .displayName("Source Filesystem") + .description("Name of the Azure Storage File System from where the move should happen.") + .addValidator(StandardValidators.NON_BLANK_VALIDATOR) + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .defaultValue(String.format("${%s}", ATTR_NAME_FILESYSTEM)) + .build(); + + public static final PropertyDescriptor SOURCE_DIRECTORY = new PropertyDescriptor.Builder() + .name("source-directory-name") + .displayName("Source Directory") + .description("Name of the Azure Storage Directory from where the move should happen. The Directory Name cannot contain a leading '/'." + + " The root directory can be designated by the empty string value.") + .addValidator(new DirectoryValidator("Source Directory")) + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .defaultValue(String.format("${%s}", ATTR_NAME_DIRECTORY)) + .build(); + + private List<PropertyDescriptor> properties; + + @Override + protected void init(final ProcessorInitializationContext context) { + final List<PropertyDescriptor> props = new ArrayList<>(super.getSupportedPropertyDescriptors()); + props.add(SOURCE_FILESYSTEM); + props.add(SOURCE_DIRECTORY); + props.add(CONFLICT_RESOLUTION); + properties = Collections.unmodifiableList(props); Review comment: Instead of inheriting the super's property descriptor list, I would prefer to declare the properties explicitly. Though it is a minimal code duplication, it provides the flexibility to display the properties in the "logical order" on the UI (first source, then destination). ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/MoveAzureDataLakeStorage.java ########## @@ -0,0 +1,197 @@ +/* + * 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.azure.storage; + +import com.azure.storage.file.datalake.DataLakeDirectoryClient; +import com.azure.storage.file.datalake.DataLakeFileClient; +import com.azure.storage.file.datalake.DataLakeFileSystemClient; +import com.azure.storage.file.datalake.DataLakeServiceClient; +import com.azure.storage.file.datalake.models.DataLakeRequestConditions; +import com.azure.storage.file.datalake.models.DataLakeStorageException; +import org.apache.nifi.annotation.behavior.InputRequirement; +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.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.ProcessorInitializationContext; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.azure.AbstractAzureDataLakeStorageProcessor; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_PRIMARY_URI; + +@Tags({"azure", "microsoft", "cloud", "storage", "adlsgen2", "datalake"}) +@SeeAlso({DeleteAzureDataLakeStorage.class, FetchAzureDataLakeStorage.class, ListAzureDataLakeStorage.class}) +@CapabilityDescription("Moves content into an Azure Data Lake Storage Gen 2. After the move files will be no longer available on source location." + + "Full directory structure must be provided without a leading '/'.") +@WritesAttributes({@WritesAttribute(attribute = ATTR_NAME_FILESYSTEM, description = ATTR_DESCRIPTION_FILESYSTEM), + @WritesAttribute(attribute = ATTR_NAME_DIRECTORY, description = ATTR_DESCRIPTION_DIRECTORY), + @WritesAttribute(attribute = ATTR_NAME_FILENAME, description = ATTR_DESCRIPTION_FILENAME), + @WritesAttribute(attribute = ATTR_NAME_PRIMARY_URI, description = ATTR_DESCRIPTION_PRIMARY_URI), + @WritesAttribute(attribute = ATTR_NAME_LENGTH, description = ATTR_DESCRIPTION_LENGTH)}) +@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED) +public class MoveAzureDataLakeStorage extends AbstractAzureDataLakeStorageProcessor { + + public static final String FAIL_RESOLUTION = "fail"; + public static final String REPLACE_RESOLUTION = "replace"; + public static final String IGNORE_RESOLUTION = "ignore"; + + + public static final PropertyDescriptor CONFLICT_RESOLUTION = new PropertyDescriptor.Builder() + .name("conflict-resolution-strategy") + .displayName("Conflict Resolution Strategy") + .description("Indicates what should happen when a file with the same name already exists in the output directory") + .required(true) + .defaultValue(FAIL_RESOLUTION) + .allowableValues(FAIL_RESOLUTION, REPLACE_RESOLUTION, IGNORE_RESOLUTION) + .build(); + + public static final PropertyDescriptor SOURCE_FILESYSTEM = new PropertyDescriptor.Builder() + .name("source-filesystem-name") + .displayName("Source Filesystem") Review comment: I would also add "Destination" prefix for the properties of the target filesystem / directory. ########## File path: nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/storage/MoveAzureDataLakeStorage.java ########## @@ -0,0 +1,197 @@ +/* + * 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.azure.storage; + +import com.azure.storage.file.datalake.DataLakeDirectoryClient; +import com.azure.storage.file.datalake.DataLakeFileClient; +import com.azure.storage.file.datalake.DataLakeFileSystemClient; +import com.azure.storage.file.datalake.DataLakeServiceClient; +import com.azure.storage.file.datalake.models.DataLakeRequestConditions; +import com.azure.storage.file.datalake.models.DataLakeStorageException; +import org.apache.nifi.annotation.behavior.InputRequirement; +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.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.ProcessorInitializationContext; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.azure.AbstractAzureDataLakeStorageProcessor; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; + +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_DESCRIPTION_PRIMARY_URI; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_DIRECTORY; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILENAME; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_FILESYSTEM; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_LENGTH; +import static org.apache.nifi.processors.azure.storage.utils.ADLSAttributes.ATTR_NAME_PRIMARY_URI; + +@Tags({"azure", "microsoft", "cloud", "storage", "adlsgen2", "datalake"}) +@SeeAlso({DeleteAzureDataLakeStorage.class, FetchAzureDataLakeStorage.class, ListAzureDataLakeStorage.class}) +@CapabilityDescription("Moves content into an Azure Data Lake Storage Gen 2. After the move files will be no longer available on source location." + + "Full directory structure must be provided without a leading '/'.") +@WritesAttributes({@WritesAttribute(attribute = ATTR_NAME_FILESYSTEM, description = ATTR_DESCRIPTION_FILESYSTEM), + @WritesAttribute(attribute = ATTR_NAME_DIRECTORY, description = ATTR_DESCRIPTION_DIRECTORY), + @WritesAttribute(attribute = ATTR_NAME_FILENAME, description = ATTR_DESCRIPTION_FILENAME), + @WritesAttribute(attribute = ATTR_NAME_PRIMARY_URI, description = ATTR_DESCRIPTION_PRIMARY_URI), + @WritesAttribute(attribute = ATTR_NAME_LENGTH, description = ATTR_DESCRIPTION_LENGTH)}) +@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED) +public class MoveAzureDataLakeStorage extends AbstractAzureDataLakeStorageProcessor { + + public static final String FAIL_RESOLUTION = "fail"; + public static final String REPLACE_RESOLUTION = "replace"; + public static final String IGNORE_RESOLUTION = "ignore"; + + + public static final PropertyDescriptor CONFLICT_RESOLUTION = new PropertyDescriptor.Builder() + .name("conflict-resolution-strategy") + .displayName("Conflict Resolution Strategy") + .description("Indicates what should happen when a file with the same name already exists in the output directory") + .required(true) + .defaultValue(FAIL_RESOLUTION) + .allowableValues(FAIL_RESOLUTION, REPLACE_RESOLUTION, IGNORE_RESOLUTION) + .build(); + + public static final PropertyDescriptor SOURCE_FILESYSTEM = new PropertyDescriptor.Builder() + .name("source-filesystem-name") + .displayName("Source Filesystem") + .description("Name of the Azure Storage File System from where the move should happen.") + .addValidator(StandardValidators.NON_BLANK_VALIDATOR) + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .defaultValue(String.format("${%s}", ATTR_NAME_FILESYSTEM)) + .build(); + + public static final PropertyDescriptor SOURCE_DIRECTORY = new PropertyDescriptor.Builder() + .name("source-directory-name") + .displayName("Source Directory") + .description("Name of the Azure Storage Directory from where the move should happen. The Directory Name cannot contain a leading '/'." + + " The root directory can be designated by the empty string value.") + .addValidator(new DirectoryValidator("Source Directory")) + .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES) + .required(true) + .defaultValue(String.format("${%s}", ATTR_NAME_DIRECTORY)) + .build(); + + private List<PropertyDescriptor> properties; + + @Override + protected void init(final ProcessorInitializationContext context) { + final List<PropertyDescriptor> props = new ArrayList<>(super.getSupportedPropertyDescriptors()); + props.add(SOURCE_FILESYSTEM); + props.add(SOURCE_DIRECTORY); + props.add(CONFLICT_RESOLUTION); + properties = Collections.unmodifiableList(props); + } + + @Override + protected List<PropertyDescriptor> getSupportedPropertyDescriptors() { + return properties; + } + + @Override + public void onTrigger(ProcessContext context, ProcessSession session) throws ProcessException { + FlowFile flowFile = session.get(); + if (flowFile == null) { + return; + } + + final long startNanos = System.nanoTime(); + try { + final String sourceFileSystem = evaluateFileSystemProperty(context, flowFile, SOURCE_FILESYSTEM); + final String sourceDirectory = evaluateDirectoryProperty(context, flowFile, SOURCE_DIRECTORY); + final String destinationFileSystem = evaluateFileSystemProperty(context, flowFile, FILESYSTEM); + final String destinationDirectory = evaluateDirectoryProperty(context, flowFile, DIRECTORY); + final String fileName = evaluateFileNameProperty(context, flowFile); + final String destinationPath = destinationDirectory.isEmpty() ? destinationDirectory : destinationDirectory + "/"; + + final DataLakeServiceClient storageClient = getStorageClient(context, flowFile); + final DataLakeFileSystemClient sourceFileSystemClient = storageClient.getFileSystemClient(sourceFileSystem); + final DataLakeDirectoryClient sourceDataLakeDirectoryClient = sourceFileSystemClient.getDirectoryClient(sourceDirectory); + final DataLakeFileSystemClient destinationFileSystemClient = storageClient.getFileSystemClient(destinationFileSystem); + final DataLakeDirectoryClient destinationDirectoryClient = destinationFileSystemClient.getDirectoryClient(destinationDirectory); + DataLakeFileClient fileClient = sourceDataLakeDirectoryClient.getFileClient(fileName); + final DataLakeRequestConditions sourceConditions = new DataLakeRequestConditions(); + final DataLakeRequestConditions destConditions = new DataLakeRequestConditions(); + final String conflictResolution = context.getProperty(CONFLICT_RESOLUTION).getValue(); + + try { + if (!destinationDirectory.isEmpty() && !destinationDirectoryClient.exists()) { + destinationDirectoryClient.create(); + } + + if (!conflictResolution.equals(REPLACE_RESOLUTION)) { + destConditions.setIfNoneMatch("*"); + } + + fileClient = fileClient.renameWithResponse(destinationFileSystem, + destinationPath + fileName, + sourceConditions, + destConditions, + null, + null) + .getValue(); + + final Map<String, String> attributes = new HashMap<>(); + attributes.put(ATTR_NAME_FILESYSTEM, destinationFileSystem); + attributes.put(ATTR_NAME_DIRECTORY, destinationDirectory); Review comment: Source filesystem / directory could also be added as attributes. -- This is an automated message from the Apache Git Service. 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