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Subject [GitHub] [nifi] mattyb149 commented on a change in pull request #3912: NIFI-6889 - Create RulesRecordProcessor
Date Wed, 04 Dec 2019 20:06:22 GMT
mattyb149 commented on a change in pull request #3912: NIFI-6889 - Create RulesRecordProcessor


 File path: nifi-nar-bundles/nifi-rules-bundle/nifi-rules-processors/src/main/java/org/apache/nifi/rules/processors/
 @@ -0,0 +1,244 @@
+ * 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
+ *
+ *
+ *
+ * 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.rules.processors;
+import org.apache.avro.Schema;
+import org.apache.nifi.annotation.behavior.EventDriven;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.SideEffectFree;
+import org.apache.nifi.annotation.behavior.SupportsBatching;
+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.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.avro.AvroTypeUtil;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+import org.apache.nifi.logging.ComponentLog;
+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.rules.Action;
+import org.apache.nifi.rules.engine.RulesEngineService;
+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.nifi.serialization.WriteResult;
+import org.apache.nifi.serialization.record.ListRecordSet;
+import org.apache.nifi.serialization.record.MapRecord;
+import org.apache.nifi.serialization.record.Record;
+import org.apache.nifi.serialization.record.RecordSchema;
+import org.apache.nifi.serialization.record.RecordSet;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+@Tags({"record", "rules", "action", "rules engine"})
+        @WritesAttribute(attribute = "record.count", description = "The number of records
in an outgoing FlowFile"),
+        @WritesAttribute(attribute = "mime.type", description = "The MIME Type that the configured
Record Writer indicates is appropriate"),
+@CapabilityDescription("Submits record values to a rules engine and returns actions determined
by the engine as records ")
+public class RulesRecordProcessor extends AbstractProcessor {
+    static final PropertyDescriptor FACTS_RECORD_READER = new PropertyDescriptor.Builder()
+            .name("fact-record-reader")
+            .displayName("Fact Record Reader")
+            .description("Specifies the Controller Service to use for parsing incoming fact
data and determining the data's schema.")
+            .identifiesControllerService(RecordReaderFactory.class)
+            .required(true)
+            .build();
+    static final PropertyDescriptor ACTION_RECORD_WRITER = new PropertyDescriptor.Builder()
+            .name("action-record-writer")
+            .displayName("Action Record Writer")
+            .description("Specifies the Controller Service to use for writing out action
+            .identifiesControllerService(RecordSetWriterFactory.class)
+            .required(true)
+            .build();
+    static final PropertyDescriptor RULES_ENGINE = new PropertyDescriptor.Builder()
+            .name("rules-engine-service")
+            .displayName("Rules Engine Service")
+            .description("Specifies the Controller Service to use for applying rules to metrics.")
 Review comment:
   Should this read `facts` instead of `metrics`? Just want to make sure the terminology is
consistent throughout.

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