Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1668#discussion_r111946753
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ConvertRecord.java
---
@@ -0,0 +1,158 @@
+/*
+ * 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.standard;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicReference;
+
+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.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.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+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.io.StreamCallback;
+import org.apache.nifi.serialization.MalformedRecordException;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordSetWriter;
+import org.apache.nifi.serialization.RecordSetWriterFactory;
+import org.apache.nifi.serialization.RowRecordReaderFactory;
+import org.apache.nifi.serialization.WriteResult;
+
+@EventDriven
+@SupportsBatching
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@SideEffectFree
+@Tags({"convert", "generic", "schema", "json", "csv", "avro", "log",
"logs", "freeform", "text"})
+@WritesAttributes({
+ @WritesAttribute(attribute = "mime.type", description = "Sets the
mime.type attribute to the MIME Type specified by the Record Writer"),
+ @WritesAttribute(attribute = "record.count", description = "The number
of records in the FlowFile")
+})
+@CapabilityDescription("Converts records from one data format to another
using configured Record Reader and Record Write Controller Services. "
+ + "The Reader and Writer must be configured with \"matching\" schemas.
By this, we mean the schemas must have the same field names. The types of the
fields "
+ + "do not have to be the same if a field value can be coerced from one
format to another. For instance, if the input schema has a field named
\"balance\" of type double, "
+ + "the output schema can have a field named \"balance\" with a type of
string, double, or float. If any field is present in the input that is not
present in the output, "
+ + "the field will be left out of the output. If any field is specified
in the output schema but is not present in the input data/schema, then the
field will not be "
+ + "present in the output.")
+public class ConvertRecord extends AbstractProcessor {
+
+ static final PropertyDescriptor RECORD_READER = new
PropertyDescriptor.Builder()
+ .name("Record Reader")
+ .description("Specifies the Controller Service to use for reading
incoming data")
+ .identifiesControllerService(RowRecordReaderFactory.class)
+ .required(true)
+ .build();
+ static final PropertyDescriptor RECORD_WRITER = new
PropertyDescriptor.Builder()
+ .name("Record Writer")
+ .description("Specifies the Controller Service to use for writing
out the records")
+ .identifiesControllerService(RecordSetWriterFactory.class)
+ .required(true)
+ .build();
+
+ static final Relationship REL_SUCCESS = new Relationship.Builder()
+ .name("success")
+ .description("FlowFiles that are successfully transformed will be
routed to this relationship")
+ .build();
+ static final Relationship REL_FAILURE = new Relationship.Builder()
+ .name("failure")
+ .description("If a FlowFile cannot be transformed from the
configured input format to the configured output format, "
+ + "the unchanged FlowFile will be routed to this relationship")
+ .build();
+
+ @Override
+ protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
+ final List<PropertyDescriptor> properties = new ArrayList<>();
--- End diff --
Since these aren't dynamic, they could be moved out to a static block. Same
goes for relationships below.
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