levilentz commented on a change in pull request #4638:
URL: https://github.com/apache/nifi/pull/4638#discussion_r519513593
##########
File path:
nifi-nar-bundles/nifi-graph-bundle/nifi-graph-processors/src/main/java/org/apache/nifi/processors/graph/ExecuteGraphQueryRecord.java
##########
@@ -0,0 +1,265 @@
+package org.apache.nifi.processors.graph;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.nifi.annotation.behavior.DynamicProperty;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.behavior.WritesAttributes;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.graph.GraphClientService;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.record.path.FieldValue;
+import org.apache.nifi.record.path.RecordPath;
+import org.apache.nifi.record.path.RecordPathResult;
+import org.apache.nifi.record.path.util.RecordPathCache;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordReaderFactory;
+import org.apache.nifi.serialization.RecordSetWriter;
+import org.apache.nifi.serialization.RecordSetWriterFactory;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.nifi.serialization.record.Record;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.stream.Collectors;
+
+@Tags({"graph, gremlin"})
+@CapabilityDescription("This uses a flowfile as input to perform graph
mutations.")
+@WritesAttributes({
+ @WritesAttribute(attribute =
ExecuteGraphQueryRecord.GRAPH_OPERATION_TIME, description = "The amount of time
it took to execute all of the graph operations."),
+ @WritesAttribute(attribute = ExecuteGraphQueryRecord.RECORD_COUNT,
description = "The amount of record processed")
+})
+@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
+@DynamicProperty(name = "A FlowFile property to be used as a parameter in the
graph script", value = "The variable name to be set", expressionLanguageScope =
ExpressionLanguageScope.FLOWFILE_ATTRIBUTES,
+ description = "Uses a record path to set a variable as a parameter in
the graph script")
+public class ExecuteGraphQueryRecord extends AbstractGraphExecutor {
+
+ public static final PropertyDescriptor CLIENT_SERVICE = new
PropertyDescriptor.Builder()
+ .name("client-service")
+ .displayName("Client Service")
+ .identifiesControllerService(GraphClientService.class)
+ .addValidator(Validator.VALID)
+ .required(true)
+ .build();
+
+ public static final PropertyDescriptor READER_SERVICE = new
PropertyDescriptor.Builder()
+ .name("reader-service")
+ .displayName("Record Reader")
+ .description("The record reader to use with this processor.")
+ .identifiesControllerService(RecordReaderFactory.class)
+ .required(true)
+ .addValidator(Validator.VALID)
+ .build();
+
+ public static final PropertyDescriptor WRITER_SERVICE = new
PropertyDescriptor.Builder()
+ .name("writer-service")
+ .displayName("Failed Record Writer")
+ .description("The record writer to use for writing failed
records.")
+ .identifiesControllerService(RecordSetWriterFactory.class)
+ .required(true)
+ .addValidator(Validator.VALID)
+ .build();
+
+ private static String loadScript(String path) {
Review comment:
Removed
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