Github user apiri commented on a diff in the pull request:
https://github.com/apache/nifi/pull/379#discussion_r67610514
--- Diff:
nifi-nar-bundles/nifi-alluxio-bundle/nifi-alluxio-processors/src/main/java/org/apache/nifi/processors/alluxio/AbstractAlluxioProcessor.java
---
@@ -0,0 +1,113 @@
+/*
+ * 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.alluxio;
+
+import alluxio.client.file.FileSystem;
+import alluxio.client.file.URIStatus;
+
+import org.apache.nifi.components.PropertyDescriptor;
+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.util.StandardValidators;
+
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * AbstractCassandraProcessor is a base class for Alluxio processors and
contains logic and variables common to most
+ * processors integrating with Alluxio.
+ */
+public abstract class AbstractAlluxioProcessor extends AbstractProcessor {
+
+ public static final PropertyDescriptor MASTER_HOSTNAME = new
PropertyDescriptor.Builder()
+ .name("alluxio-master-ip")
+ .displayName("Master hostname")
+ .description("Hostname of the Alluxio File System Master
node.")
+ .required(true)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor MASTER_PORT = new
PropertyDescriptor.Builder()
+ .name("alluxio-master-port")
+ .displayName("Master port")
+ .description("Port to use when connecting to the Alluxio File
System Master node.")
+ .required(true)
+ .defaultValue("19998")
+ .addValidator(StandardValidators.PORT_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor URI = new
PropertyDescriptor.Builder()
+ .name("alluxio-uri")
+ .displayName("URI")
+ .description("Alluxio URI to use. Example: /path")
--- End diff --
This is a little unclear to me in the context of a file. I had specified a
static path, but then received errors about the specified path already
existing. Accordingly, my assumption was then that this is path + file like an
S3 bucket, however I didn't seem to have significantly better luck in that
scenario either.
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