Github user MikeThomsen commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2553#discussion_r174879478
--- Diff:
nifi-nar-bundles/nifi-pulsar-bundle/nifi-pulsar-processors/src/main/java/org/apache/nifi/processors/pulsar/ConsumePulsar_1_0.java
---
@@ -0,0 +1,392 @@
+/*
+ * 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.pulsar;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorCompletionService;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+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.annotation.lifecycle.OnStopped;
+import org.apache.nifi.annotation.lifecycle.OnUnscheduled;
+import org.apache.nifi.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.logging.ComponentLog;
+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.pulsar.PulsarClientPool;
+import org.apache.nifi.pulsar.PulsarConsumer;
+import org.apache.nifi.pulsar.pool.PulsarConsumerFactory;
+import org.apache.pulsar.client.api.Consumer;
+import org.apache.pulsar.client.api.ConsumerConfiguration;
+import org.apache.pulsar.client.api.Message;
+import org.apache.pulsar.client.api.PulsarClientException;
+import org.apache.pulsar.client.api.SubscriptionType;
+
+@Tags({"Pulsar", "Get", "Ingest", "Ingress", "Topic", "PubSub", "Consume"})
+@CapabilityDescription("Consumes messages from Apache Pulsar "
+ + "The complementary NiFi processor for sending messages is
PublishPulsar.")
+@InputRequirement(InputRequirement.Requirement.INPUT_FORBIDDEN)
+public class ConsumePulsar_1_0 extends AbstractPulsarProcessor {
--- End diff --
You should consider changing this to `ConsumePulsar_1_X` to warn users that
you may be moving the internal client compatibility forward if let's say 1.4
breaks compatibility with the current 1.2 branch in the incubator.
---