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ASF GitHub Bot commented on NIFI-1022: -------------------------------------- Github user apiri commented on a diff in the pull request: https://github.com/apache/nifi/pull/379#discussion_r67610380 --- 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") + .required(true) + .expressionLanguageSupported(true) + .addValidator(StandardValidators.NON_EMPTY_VALIDATOR) + .build(); + + static List<PropertyDescriptor> descriptors = new ArrayList<>(); + + static { + descriptors.add(MASTER_HOSTNAME); + descriptors.add(MASTER_PORT); + descriptors.add(URI); + } + + protected final AtomicReference<FileSystem> fileSystem = new AtomicReference<>(null); + + protected void createFileSystem(ProcessContext context) { + System.setProperty("alluxio.master.hostname", context.getProperty(MASTER_HOSTNAME).getValue()); + System.setProperty("alluxio.master.port", context.getProperty(MASTER_PORT).getValue()); + fileSystem.set(FileSystem.Factory.get()); --- End diff -- This doesn't seem to update regardless of changing a property. I accidentally used the wrong port when testing and despite changing in the properties, stopping/starting or disabling/enabling, the backing Alluxio client seems stuck on the initial port. > Create GetTachyon and PutTachyon Processors > ------------------------------------------- > > Key: NIFI-1022 > URL: https://issues.apache.org/jira/browse/NIFI-1022 > Project: Apache NiFi > Issue Type: New Feature > Components: Extensions > Reporter: Jeremy Dyer > Assignee: Pierre Villard > Priority: Minor > Attachments: Alluxio.xml > > > Provide support for Apache Tachyon by implementing a GetTachyon and > PutTachyon processor. Having the ability to both read and write to Tachyon > would assist in sharing data with external applications such as Spark. -- This message was sent by Atlassian JIRA (v6.3.4#6332)