Github user mattyb149 commented on a diff in the pull request: https://github.com/apache/nifi/pull/2813#discussion_r199567777 --- Diff: nifi-nar-bundles/nifi-data-generation-bundle/nifi-data-generation-processors/src/main/java/org/apache/nifi/processors/generation/GenerateRecord.java --- @@ -0,0 +1,209 @@ +/* + * 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.generation; + +import io.confluent.avro.random.generator.Generator; +import org.apache.avro.Schema; +import org.apache.avro.generic.GenericData; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.avro.AvroTypeUtil; +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.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.schema.access.SchemaNotFoundException; +import org.apache.nifi.serialization.RecordSetWriter; +import org.apache.nifi.serialization.RecordSetWriterFactory; +import org.apache.nifi.serialization.record.MapRecord; +import org.apache.nifi.serialization.record.Record; +import org.apache.nifi.serialization.record.RecordSchema; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Random; +import java.util.Set; + +@InputRequirement(InputRequirement.Requirement.INPUT_ALLOWED) +public class GenerateRecord extends AbstractProcessor { + static final PropertyDescriptor WRITER = new PropertyDescriptor.Builder() + .name("generate-record-writer") + .displayName("Record Writer") + .identifiesControllerService(RecordSetWriterFactory.class) + .description("The record writer to use for serializing generated records.") + .required(true) + .build(); + + static final PropertyDescriptor SCHEMA = new PropertyDescriptor.Builder() + .name("generate-record-schema") + .displayName("Schema") + .expressionLanguageSupported(ExpressionLanguageScope.NONE) + .description("An Avro schema to use for generating records.") + .required(false) + .addValidator(Validator.VALID) + .build(); + --- End diff -- It would be cool to have a property for "Additional schema resources" or something, so they can refer to files containing words such as in their adjectives-list.json example. Not sure if this is possible as it appears to expect the file locations to be relative to the current working directory or something, but worth a look.
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