jfrazee commented on a change in pull request #4253:
URL: https://github.com/apache/nifi/pull/4253#discussion_r516238042



##########
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/cosmos/document/PutAzureCosmosDBRecord.java
##########
@@ -0,0 +1,223 @@
+/*
+ * 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.cosmos.document;
+
+import com.azure.cosmos.CosmosContainer;
+import com.azure.cosmos.CosmosException;
+import com.azure.cosmos.implementation.ConflictException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.annotation.behavior.EventDriven;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+import org.apache.nifi.annotation.behavior.SystemResource;
+import org.apache.nifi.annotation.behavior.SystemResourceConsideration;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.logging.ComponentLog;
+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.processor.util.StandardValidators;
+import org.apache.nifi.schema.access.SchemaNotFoundException;
+import org.apache.nifi.serialization.MalformedRecordException;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordReaderFactory;
+import org.apache.nifi.serialization.record.Record;
+import org.apache.nifi.serialization.record.RecordFieldType;
+import org.apache.nifi.serialization.record.RecordSchema;
+import org.apache.nifi.serialization.record.util.DataTypeUtils;
+
+@EventDriven
+@Tags({ "azure", "cosmos", "insert", "record", "put" })
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@CapabilityDescription("This processor is a record-aware processor for 
inserting data into Cosmos DB with Core SQL API. It uses a configured record 
reader and " +
+        "schema to read an incoming record set from the body of a Flowfile and 
then inserts those records into " +
+        "a configured Cosmos DB Container.")
+@SystemResourceConsideration(resource = SystemResource.MEMORY)
+public class PutAzureCosmosDBRecord extends AbstractAzureCosmosDBProcessor {
+
+    private String conflictHandlingStrategy;
+    static final AllowableValue IGNORE_CONFLICT = new AllowableValue("ignore", 
"Ignore", "Conflicting records will not be inserted, and FlowFile will not be 
routed to failure");
+    static final AllowableValue UPSERT_CONFLICT = new AllowableValue("upsert", 
"Upsert", "Conflicting records will be upserted, and FlowFile will not be 
routed to failure");
+
+    static final PropertyDescriptor RECORD_READER_FACTORY = new 
PropertyDescriptor.Builder()
+        .name("record-reader")
+        .displayName("Record Reader")
+        .description("Specifies the Controller Service to use for parsing 
incoming data and determining the data's schema")
+        .identifiesControllerService(RecordReaderFactory.class)
+        .required(true)
+        .build();
+
+    static final PropertyDescriptor INSERT_BATCH_SIZE = new 
PropertyDescriptor.Builder()
+        .name("insert-batch-size")
+        .displayName("Insert Batch Size")
+        .description("The number of records to group together for one single 
insert operation against Cosmos DB")
+        .defaultValue("20")
+        .required(false)
+        .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
+        .build();
+
+    static final PropertyDescriptor CONFLICT_HANDLE_STRATEGY = new 
PropertyDescriptor.Builder()
+        .name("azure-cosmos-db-conflict-handling-strategy")
+        .displayName("Cosmos DB Conflict Handling Strategy")
+        .description("Choose whether to ignore or upsert when conflict error 
occurs during insertion")
+        .required(false)
+        .allowableValues(IGNORE_CONFLICT, UPSERT_CONFLICT)
+        .defaultValue(IGNORE_CONFLICT.getValue())
+        .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
+        .build();
+
+
+    private final static Set<Relationship> relationships;
+    private final static List<PropertyDescriptor> propertyDescriptors;
+
+    static {
+        List<PropertyDescriptor> _propertyDescriptors = new ArrayList<>();
+        _propertyDescriptors.addAll(descriptors);
+        _propertyDescriptors.add(RECORD_READER_FACTORY);
+        _propertyDescriptors.add(INSERT_BATCH_SIZE);
+        _propertyDescriptors.add(CONFLICT_HANDLE_STRATEGY);
+        propertyDescriptors = 
Collections.unmodifiableList(_propertyDescriptors);
+
+        final Set<Relationship> _relationships = new HashSet<>();
+        _relationships.add(REL_SUCCESS);
+        _relationships.add(REL_FAILURE);
+        relationships = Collections.unmodifiableSet(_relationships);
+    }
+
+    @Override
+    public Set<Relationship> getRelationships() {
+        return relationships;
+    }
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return propertyDescriptors;
+    }
+
+    protected void bulkInsert(final List<Map<String, Object>> records) throws 
CosmosException{
+        // In the future, this method will be replaced by calling createItems 
API
+        // for example, this.container.createItems(records);
+        // currently, no createItems API available in Azure Cosmos Java SDK
+        final ComponentLog logger = getLogger();
+        final CosmosContainer container = getContainer();
+        for (Map<String, Object> record : records){
+            try {
+                container.createItem(record);
+            } catch (ConflictException e) {
+                // insert with unique id is expected. In case conflict occurs, 
use the selected strategy.
+                // By default, it will ignore.
+                if (conflictHandlingStrategy != null && 
conflictHandlingStrategy.equals(UPSERT_CONFLICT.getValue())){
+                    container.upsertItem(record);
+                } else {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug("Ignoring duplicate based on selected 
conflict resolution strategy");
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onTrigger(final ProcessContext context, final ProcessSession 
session) throws ProcessException {
+        final FlowFile flowFile = session.get();
+        if (flowFile == null) {
+            return;
+        }
+
+        final ComponentLog logger = getLogger();
+        final RecordReaderFactory recordParserFactory = 
context.getProperty(RECORD_READER_FACTORY)
+                .asControllerService(RecordReaderFactory.class);
+
+        final String partitionKeyField = 
context.getProperty(PARTITION_KEY).getValue();
+        List<Map<String, Object>> batch = new ArrayList<>();
+        int ceiling = context.getProperty(INSERT_BATCH_SIZE).asInteger();
+        boolean error = false;
+        try (final InputStream inStream = session.read(flowFile);
+             final RecordReader reader = 
recordParserFactory.createRecordReader(flowFile, inStream, getLogger())) {
+
+            RecordSchema schema = reader.getSchema();
+            Record record;
+
+            while ((record = reader.nextRecord()) != null) {
+                // Convert each Record to HashMap
+                Map<String, Object> contentMap = (Map<String, Object>) 
DataTypeUtils.convertRecordFieldtoObject(record, 
RecordFieldType.RECORD.getRecordDataType(schema));
+                if(contentMap.containsKey("id")) {
+                    final Object idObj = contentMap.get("id");
+                    final String idStr = (idObj == null) ? "" : 
String.valueOf(idObj);
+                    if (idObj == null || StringUtils.isBlank(idStr)) {
+                        // dont put null to id
+                        contentMap.put("id", UUID.randomUUID().toString());
+                    } else {
+                        contentMap.put("id", idStr);
+                    }
+                } else {
+                    contentMap.put("id", UUID.randomUUID().toString());
+                }
+                if (!contentMap.containsKey(partitionKeyField)) {
+                    logger.error(String.format("PutAzureCosmoDBRecord failed 
with missing partitionKeyField (%s)", partitionKeyField));
+                    session.transfer(flowFile, REL_FAILURE);

Review comment:
       ```suggestion
   ```

##########
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/cosmos/document/PutAzureCosmosDBRecord.java
##########
@@ -0,0 +1,223 @@
+/*
+ * 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.cosmos.document;
+
+import com.azure.cosmos.CosmosContainer;
+import com.azure.cosmos.CosmosException;
+import com.azure.cosmos.implementation.ConflictException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.annotation.behavior.EventDriven;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+import org.apache.nifi.annotation.behavior.SystemResource;
+import org.apache.nifi.annotation.behavior.SystemResourceConsideration;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.logging.ComponentLog;
+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.processor.util.StandardValidators;
+import org.apache.nifi.schema.access.SchemaNotFoundException;
+import org.apache.nifi.serialization.MalformedRecordException;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordReaderFactory;
+import org.apache.nifi.serialization.record.Record;
+import org.apache.nifi.serialization.record.RecordFieldType;
+import org.apache.nifi.serialization.record.RecordSchema;
+import org.apache.nifi.serialization.record.util.DataTypeUtils;
+
+@EventDriven
+@Tags({ "azure", "cosmos", "insert", "record", "put" })
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@CapabilityDescription("This processor is a record-aware processor for 
inserting data into Cosmos DB with Core SQL API. It uses a configured record 
reader and " +
+        "schema to read an incoming record set from the body of a Flowfile and 
then inserts those records into " +
+        "a configured Cosmos DB Container.")
+@SystemResourceConsideration(resource = SystemResource.MEMORY)
+public class PutAzureCosmosDBRecord extends AbstractAzureCosmosDBProcessor {
+
+    private String conflictHandlingStrategy;
+    static final AllowableValue IGNORE_CONFLICT = new AllowableValue("ignore", 
"Ignore", "Conflicting records will not be inserted, and FlowFile will not be 
routed to failure");
+    static final AllowableValue UPSERT_CONFLICT = new AllowableValue("upsert", 
"Upsert", "Conflicting records will be upserted, and FlowFile will not be 
routed to failure");
+
+    static final PropertyDescriptor RECORD_READER_FACTORY = new 
PropertyDescriptor.Builder()
+        .name("record-reader")
+        .displayName("Record Reader")
+        .description("Specifies the Controller Service to use for parsing 
incoming data and determining the data's schema")
+        .identifiesControllerService(RecordReaderFactory.class)
+        .required(true)
+        .build();
+
+    static final PropertyDescriptor INSERT_BATCH_SIZE = new 
PropertyDescriptor.Builder()
+        .name("insert-batch-size")
+        .displayName("Insert Batch Size")
+        .description("The number of records to group together for one single 
insert operation against Cosmos DB")
+        .defaultValue("20")
+        .required(false)
+        .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
+        .build();
+
+    static final PropertyDescriptor CONFLICT_HANDLE_STRATEGY = new 
PropertyDescriptor.Builder()
+        .name("azure-cosmos-db-conflict-handling-strategy")
+        .displayName("Cosmos DB Conflict Handling Strategy")
+        .description("Choose whether to ignore or upsert when conflict error 
occurs during insertion")
+        .required(false)
+        .allowableValues(IGNORE_CONFLICT, UPSERT_CONFLICT)
+        .defaultValue(IGNORE_CONFLICT.getValue())
+        .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
+        .build();
+
+
+    private final static Set<Relationship> relationships;
+    private final static List<PropertyDescriptor> propertyDescriptors;
+
+    static {
+        List<PropertyDescriptor> _propertyDescriptors = new ArrayList<>();
+        _propertyDescriptors.addAll(descriptors);
+        _propertyDescriptors.add(RECORD_READER_FACTORY);
+        _propertyDescriptors.add(INSERT_BATCH_SIZE);
+        _propertyDescriptors.add(CONFLICT_HANDLE_STRATEGY);
+        propertyDescriptors = 
Collections.unmodifiableList(_propertyDescriptors);
+
+        final Set<Relationship> _relationships = new HashSet<>();
+        _relationships.add(REL_SUCCESS);
+        _relationships.add(REL_FAILURE);
+        relationships = Collections.unmodifiableSet(_relationships);
+    }
+
+    @Override
+    public Set<Relationship> getRelationships() {
+        return relationships;
+    }
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return propertyDescriptors;
+    }
+
+    protected void bulkInsert(final List<Map<String, Object>> records) throws 
CosmosException{
+        // In the future, this method will be replaced by calling createItems 
API
+        // for example, this.container.createItems(records);
+        // currently, no createItems API available in Azure Cosmos Java SDK
+        final ComponentLog logger = getLogger();
+        final CosmosContainer container = getContainer();
+        for (Map<String, Object> record : records){
+            try {
+                container.createItem(record);
+            } catch (ConflictException e) {
+                // insert with unique id is expected. In case conflict occurs, 
use the selected strategy.
+                // By default, it will ignore.
+                if (conflictHandlingStrategy != null && 
conflictHandlingStrategy.equals(UPSERT_CONFLICT.getValue())){
+                    container.upsertItem(record);
+                } else {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug("Ignoring duplicate based on selected 
conflict resolution strategy");
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onTrigger(final ProcessContext context, final ProcessSession 
session) throws ProcessException {
+        final FlowFile flowFile = session.get();
+        if (flowFile == null) {
+            return;
+        }
+
+        final ComponentLog logger = getLogger();
+        final RecordReaderFactory recordParserFactory = 
context.getProperty(RECORD_READER_FACTORY)
+                .asControllerService(RecordReaderFactory.class);
+
+        final String partitionKeyField = 
context.getProperty(PARTITION_KEY).getValue();
+        List<Map<String, Object>> batch = new ArrayList<>();
+        int ceiling = context.getProperty(INSERT_BATCH_SIZE).asInteger();
+        boolean error = false;
+        try (final InputStream inStream = session.read(flowFile);
+             final RecordReader reader = 
recordParserFactory.createRecordReader(flowFile, inStream, getLogger())) {
+
+            RecordSchema schema = reader.getSchema();
+            Record record;
+
+            while ((record = reader.nextRecord()) != null) {
+                // Convert each Record to HashMap
+                Map<String, Object> contentMap = (Map<String, Object>) 
DataTypeUtils.convertRecordFieldtoObject(record, 
RecordFieldType.RECORD.getRecordDataType(schema));
+                if(contentMap.containsKey("id")) {
+                    final Object idObj = contentMap.get("id");
+                    final String idStr = (idObj == null) ? "" : 
String.valueOf(idObj);
+                    if (idObj == null || StringUtils.isBlank(idStr)) {
+                        // dont put null to id
+                        contentMap.put("id", UUID.randomUUID().toString());
+                    } else {
+                        contentMap.put("id", idStr);
+                    }
+                } else {
+                    contentMap.put("id", UUID.randomUUID().toString());
+                }
+                if (!contentMap.containsKey(partitionKeyField)) {
+                    logger.error(String.format("PutAzureCosmoDBRecord failed 
with missing partitionKeyField (%s)", partitionKeyField));
+                    session.transfer(flowFile, REL_FAILURE);
+                    error = true;
+                    break;
+                }
+                batch.add(contentMap);
+                if (batch.size() == ceiling) {
+                    bulkInsert(batch);
+                    batch = new ArrayList<>();
+                }
+            }
+            if (!error && batch.size() > 0) {
+                bulkInsert(batch);
+            }
+
+        } catch (SchemaNotFoundException | MalformedRecordException | 
IOException | CosmosException e) {
+            logger.error("PutAzureCosmoDBRecord failed with error: {}", new 
Object[]{e.getMessage()}, e);
+            session.transfer(flowFile, REL_FAILURE);

Review comment:
       ```suggestion
   ```

##########
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/cosmos/document/PutAzureCosmosDBRecord.java
##########
@@ -0,0 +1,223 @@
+/*
+ * 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.cosmos.document;
+
+import com.azure.cosmos.CosmosContainer;
+import com.azure.cosmos.CosmosException;
+import com.azure.cosmos.implementation.ConflictException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.annotation.behavior.EventDriven;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+import org.apache.nifi.annotation.behavior.SystemResource;
+import org.apache.nifi.annotation.behavior.SystemResourceConsideration;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.logging.ComponentLog;
+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.processor.util.StandardValidators;
+import org.apache.nifi.schema.access.SchemaNotFoundException;
+import org.apache.nifi.serialization.MalformedRecordException;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordReaderFactory;
+import org.apache.nifi.serialization.record.Record;
+import org.apache.nifi.serialization.record.RecordFieldType;
+import org.apache.nifi.serialization.record.RecordSchema;
+import org.apache.nifi.serialization.record.util.DataTypeUtils;
+
+@EventDriven
+@Tags({ "azure", "cosmos", "insert", "record", "put" })
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@CapabilityDescription("This processor is a record-aware processor for 
inserting data into Cosmos DB with Core SQL API. It uses a configured record 
reader and " +
+        "schema to read an incoming record set from the body of a Flowfile and 
then inserts those records into " +
+        "a configured Cosmos DB Container.")
+@SystemResourceConsideration(resource = SystemResource.MEMORY)
+public class PutAzureCosmosDBRecord extends AbstractAzureCosmosDBProcessor {
+
+    private String conflictHandlingStrategy;
+    static final AllowableValue IGNORE_CONFLICT = new AllowableValue("ignore", 
"Ignore", "Conflicting records will not be inserted, and FlowFile will not be 
routed to failure");
+    static final AllowableValue UPSERT_CONFLICT = new AllowableValue("upsert", 
"Upsert", "Conflicting records will be upserted, and FlowFile will not be 
routed to failure");
+
+    static final PropertyDescriptor RECORD_READER_FACTORY = new 
PropertyDescriptor.Builder()
+        .name("record-reader")
+        .displayName("Record Reader")
+        .description("Specifies the Controller Service to use for parsing 
incoming data and determining the data's schema")
+        .identifiesControllerService(RecordReaderFactory.class)
+        .required(true)
+        .build();
+
+    static final PropertyDescriptor INSERT_BATCH_SIZE = new 
PropertyDescriptor.Builder()
+        .name("insert-batch-size")
+        .displayName("Insert Batch Size")
+        .description("The number of records to group together for one single 
insert operation against Cosmos DB")
+        .defaultValue("20")
+        .required(false)
+        .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
+        .build();
+
+    static final PropertyDescriptor CONFLICT_HANDLE_STRATEGY = new 
PropertyDescriptor.Builder()
+        .name("azure-cosmos-db-conflict-handling-strategy")
+        .displayName("Cosmos DB Conflict Handling Strategy")
+        .description("Choose whether to ignore or upsert when conflict error 
occurs during insertion")
+        .required(false)
+        .allowableValues(IGNORE_CONFLICT, UPSERT_CONFLICT)
+        .defaultValue(IGNORE_CONFLICT.getValue())
+        .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
+        .build();
+
+
+    private final static Set<Relationship> relationships;
+    private final static List<PropertyDescriptor> propertyDescriptors;
+
+    static {
+        List<PropertyDescriptor> _propertyDescriptors = new ArrayList<>();
+        _propertyDescriptors.addAll(descriptors);
+        _propertyDescriptors.add(RECORD_READER_FACTORY);
+        _propertyDescriptors.add(INSERT_BATCH_SIZE);
+        _propertyDescriptors.add(CONFLICT_HANDLE_STRATEGY);
+        propertyDescriptors = 
Collections.unmodifiableList(_propertyDescriptors);
+
+        final Set<Relationship> _relationships = new HashSet<>();
+        _relationships.add(REL_SUCCESS);
+        _relationships.add(REL_FAILURE);
+        relationships = Collections.unmodifiableSet(_relationships);
+    }
+
+    @Override
+    public Set<Relationship> getRelationships() {
+        return relationships;
+    }
+
+    @Override
+    public List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+        return propertyDescriptors;
+    }
+
+    protected void bulkInsert(final List<Map<String, Object>> records) throws 
CosmosException{
+        // In the future, this method will be replaced by calling createItems 
API
+        // for example, this.container.createItems(records);
+        // currently, no createItems API available in Azure Cosmos Java SDK
+        final ComponentLog logger = getLogger();
+        final CosmosContainer container = getContainer();
+        for (Map<String, Object> record : records){
+            try {
+                container.createItem(record);
+            } catch (ConflictException e) {
+                // insert with unique id is expected. In case conflict occurs, 
use the selected strategy.
+                // By default, it will ignore.
+                if (conflictHandlingStrategy != null && 
conflictHandlingStrategy.equals(UPSERT_CONFLICT.getValue())){
+                    container.upsertItem(record);
+                } else {
+                    if (logger.isDebugEnabled()) {
+                        logger.debug("Ignoring duplicate based on selected 
conflict resolution strategy");
+                    }
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onTrigger(final ProcessContext context, final ProcessSession 
session) throws ProcessException {
+        final FlowFile flowFile = session.get();
+        if (flowFile == null) {
+            return;
+        }
+
+        final ComponentLog logger = getLogger();
+        final RecordReaderFactory recordParserFactory = 
context.getProperty(RECORD_READER_FACTORY)
+                .asControllerService(RecordReaderFactory.class);
+
+        final String partitionKeyField = 
context.getProperty(PARTITION_KEY).getValue();
+        List<Map<String, Object>> batch = new ArrayList<>();
+        int ceiling = context.getProperty(INSERT_BATCH_SIZE).asInteger();
+        boolean error = false;
+        try (final InputStream inStream = session.read(flowFile);
+             final RecordReader reader = 
recordParserFactory.createRecordReader(flowFile, inStream, getLogger())) {
+
+            RecordSchema schema = reader.getSchema();
+            Record record;
+
+            while ((record = reader.nextRecord()) != null) {
+                // Convert each Record to HashMap
+                Map<String, Object> contentMap = (Map<String, Object>) 
DataTypeUtils.convertRecordFieldtoObject(record, 
RecordFieldType.RECORD.getRecordDataType(schema));
+                if(contentMap.containsKey("id")) {
+                    final Object idObj = contentMap.get("id");
+                    final String idStr = (idObj == null) ? "" : 
String.valueOf(idObj);
+                    if (idObj == null || StringUtils.isBlank(idStr)) {
+                        // dont put null to id
+                        contentMap.put("id", UUID.randomUUID().toString());
+                    } else {
+                        contentMap.put("id", idStr);
+                    }
+                } else {
+                    contentMap.put("id", UUID.randomUUID().toString());
+                }
+                if (!contentMap.containsKey(partitionKeyField)) {
+                    logger.error(String.format("PutAzureCosmoDBRecord failed 
with missing partitionKeyField (%s)", partitionKeyField));
+                    session.transfer(flowFile, REL_FAILURE);
+                    error = true;
+                    break;
+                }
+                batch.add(contentMap);
+                if (batch.size() == ceiling) {
+                    bulkInsert(batch);
+                    batch = new ArrayList<>();
+                }
+            }
+            if (!error && batch.size() > 0) {
+                bulkInsert(batch);
+            }
+
+        } catch (SchemaNotFoundException | MalformedRecordException | 
IOException | CosmosException e) {
+            logger.error("PutAzureCosmoDBRecord failed with error: {}", new 
Object[]{e.getMessage()}, e);
+            session.transfer(flowFile, REL_FAILURE);
+            error = true;
+        } finally {
+            if (!error) {
+                session.getProvenanceReporter().send(flowFile, 
getURI(context));
+                session.transfer(flowFile, REL_SUCCESS);
+            }

Review comment:
       ```suggestion
               } else {
                   session.transfer(flowFile, REL_FAILURE);
               }
   ```

##########
File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/cosmos/document/AzureCosmosDBUtils.java
##########
@@ -0,0 +1,62 @@
+/*
+ * 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.cosmos.document;
+
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.processor.util.StandardValidators;
+
+public final class AzureCosmosDBUtils {
+    public static final String CONSISTENCY_STRONG = "STRONG";
+    public static final String CONSISTENCY_BOUNDED_STALENESS= 
"BOUNDED_STALENESS";
+    public static final String CONSISTENCY_SESSION = "SESSION";
+    public static final String CONSISTENCY_CONSISTENT_PREFIX = 
"CONSISTENT_PREFIX";
+    public static final String CONSISTENCY_EVENTUAL = "EVENTUAL";
+
+    public static final PropertyDescriptor URI = new 
PropertyDescriptor.Builder()
+        .name("azure-cosmos-db-uri")
+        .displayName("Cosmos DB URI")
+        .description("Cosmos DB URI, typically in the form of 
https://{databaseaccount}.documents.azure.com:443/";
+            + " Note this host URL is for Cosmos DB with CORE SQL API"
+            + " from Azure Portal (Overview->URI)")
+        .required(false)
+        .addValidator(StandardValidators.URI_VALIDATOR)

Review comment:
       ```suggestion
           .addValidator(StandardValidators.URI_VALIDATOR)
           .sensitive(true)
   ```




----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
[email protected]


Reply via email to