[
https://issues.apache.org/jira/browse/RYA-487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16472639#comment-16472639
]
ASF GitHub Bot commented on RYA-487:
------------------------------------
Github user kchilton2 commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/296#discussion_r187731028
--- Diff:
extras/kafka.connect/client/src/main/java/org/apache/rya/kafka/connect/client/CLIDriver.java
---
@@ -0,0 +1,121 @@
+/**
+ * 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.rya.kafka.connect.client;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import
org.apache.rya.kafka.connect.client.RyaKafkaClientCommand.ArgumentsException;
+import
org.apache.rya.kafka.connect.client.RyaKafkaClientCommand.ExecutionException;
+import org.apache.rya.kafka.connect.client.command.ReadStatementsCommand;
+import org.apache.rya.kafka.connect.client.command.WriteStatementsCommand;
+import org.eclipse.rdf4j.model.Statement;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+
+import edu.umd.cs.findbugs.annotations.DefaultAnnotation;
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+/**
+ * A CLI tool used to read/write {@link Statement}s to/from a Kafka topic
using the format
+ * the Rya Kafka Connect Sinks expect.
+ */
+@DefaultAnnotation(NonNull.class)
+public class CLIDriver {
+
+ /**
+ * Maps from command strings to the object that performs the command.
+ */
+ private static final ImmutableMap<String, RyaKafkaClientCommand>
COMMANDS;
+ static {
+ final Set<Class<? extends RyaKafkaClientCommand>> commandClasses =
new HashSet<>();
+ commandClasses.add(ReadStatementsCommand.class);
+ commandClasses.add(WriteStatementsCommand.class);
+ final ImmutableMap.Builder<String, RyaKafkaClientCommand> builder
= ImmutableMap.builder();
+ for(final Class<? extends RyaKafkaClientCommand> commandClass :
commandClasses) {
+ try {
+ final RyaKafkaClientCommand command =
commandClass.newInstance();
+ builder.put(command.getCommand(), command);
+ } catch (InstantiationException | IllegalAccessException e) {
+ System.err.println("Could not run the application because
a RyaKafkaClientCommand is missing its empty constructor.");
+ e.printStackTrace();
+ }
+ }
+ COMMANDS = builder.build();
+ }
+
+ private static final String USAGE = makeUsage(COMMANDS);
+
+ public static void main(final String[] args) {
+ // If no command provided or the command isn't recognized, then
print the usage.
+ if (args.length == 0 || !COMMANDS.containsKey(args[0])) {
+ System.out.println(USAGE);
+ System.exit(1);
+ }
+
+ // Fetch the command that will be executed.
+ final String command = args[0];
+ final String[] commandArgs = Arrays.copyOfRange(args, 1,
args.length);
+ final RyaKafkaClientCommand clientCommand = COMMANDS.get(command);
+
+ // Print usage if the arguments are invalid for the command.
+ if(!clientCommand.validArguments(commandArgs)) {
+ System.out.println(clientCommand.getUsage());
+ System.exit(1);
+ }
+
+ // Execute the command.
+ try {
--- End diff --
Done.
> Kafka Connect Rya Sink
> ----------------------
>
> Key: RYA-487
> URL: https://issues.apache.org/jira/browse/RYA-487
> Project: Rya
> Issue Type: New Feature
> Affects Versions: 4.0.0
> Reporter: Kevin Chilton
> Assignee: Kevin Chilton
> Priority: Major
> Fix For: 4.0.0
>
>
> Implement a Kafka Connect Sink that writes to Rya.
> This sink does not have to handle visibilities.
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