MikeThomsen commented on a change in pull request #2861: NIFI-5248 Added new 
Elasticsearch json and record processors.
URL: https://github.com/apache/nifi/pull/2861#discussion_r300813773
 
 

 ##########
 File path: 
nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-restapi-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearchJson.java
 ##########
 @@ -0,0 +1,424 @@
+/*
+ * 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.elasticsearch;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.jayway.jsonpath.DocumentContext;
+import com.jayway.jsonpath.JsonPath;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.elasticsearch.ElasticSearchClientService;
+import org.apache.nifi.elasticsearch.ElasticSearchError;
+import org.apache.nifi.elasticsearch.IndexOperationRequest;
+import org.apache.nifi.elasticsearch.IndexOperationResponse;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.AbstractProcessor;
+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.processors.elasticsearch.put.FlowFileJsonDescription;
+import org.apache.nifi.processors.elasticsearch.put.JsonProcessingError;
+import org.apache.nifi.util.StringUtils;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
+@Tags({"json", "elasticsearch", "elasticsearch5", "elasticsearch6", "put", 
"index"})
+@CapabilityDescription("This processor puts user-supplied JSON into 
ElasticSearch. It does not require a schema.")
+public class PutElasticsearchJson extends AbstractProcessor implements 
ElasticSearchRestProcessor {
+
+    static final PropertyDescriptor ID_ATTRIBUTE = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-id-attribute")
+        .displayName("ID Attribute")
+        .description("The attribute to use for setting the document ID in 
ElasticSearch. If the payload is an array, " +
+                "and this option is used for getting the ID, an exception will 
be raised.")
+        .required(false)
+        
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+        .addValidator(Validator.VALID)
+        .build();
+    static final PropertyDescriptor ID_JSON_PATH = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-id-json-path")
+        .displayName("ID JSONPath")
+        .description("If set, the document ID will be pulled from each JSON 
block using this JSONPath operation.")
+        .required(false)
+        
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+        .addValidator(Validator.VALID)
+        .build();
+    static final PropertyDescriptor INDEX_JSON_PATH = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-index-json-path")
+        .displayName("Index JSONPath")
+        .description("If set, the document's target index will be pulled from 
each JSON block using this JSONPath operation. " +
+                "If it is left blank or fails to evaluate to a valid value, 
the index property's valuable will be used instead. ")
+        .required(false)
+        
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+        .addValidator(Validator.VALID)
+        .build();
+    static final PropertyDescriptor TYPE_JSON_PATH = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-type-json-path")
+        .displayName("Type JSONPath")
+        .description("If set, the document's target type will be pulled from 
each JSON block using this JSONPath operation. " +
+                "If it is left blank or fails to evaluate to a valid value, 
the type property's valuable will be used instead. ")
+        .required(false)
+        
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+        .addValidator(Validator.VALID)
+        .build();
+    static final PropertyDescriptor BATCH_SIZE = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-batch-size")
+        .displayName("Batch Size")
+        .description("The number of flowfiles to fetch per batch. Be very 
careful about setting this value high if" +
+            "JSON arrays could be sent in the flowfiles.")
+        .required(true)
+        .defaultValue("50")
+        .expressionLanguageSupported(ExpressionLanguageScope.VARIABLE_REGISTRY)
+        .addValidator(StandardValidators.POSITIVE_INTEGER_VALIDATOR)
+        .build();
+
+    static final PropertyDescriptor SPLIT_OFF_FAILED_RECORDS = new 
PropertyDescriptor.Builder()
+        .name("put-es-json-split-off-failed-records")
+        .displayName("Split off Failed Records")
+        .displayName("If this is enabled, the response from Elasticsearch will 
be examined for failure messages and failed " +
+                "json records will be sent to the errors relationship.")
 
 Review comment:
   Same.

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