Github user mushketyk commented on a diff in the pull request:
https://github.com/apache/flink/pull/2314#discussion_r75011407
--- Diff:
flink-streaming-connectors/flink-connector-activemq/src/main/java/org/apache/flink/streaming/connectors/activemq/AMQSink.java
---
@@ -0,0 +1,155 @@
+/*
+ * 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.flink.streaming.connectors.activemq;
+
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
+import org.apache.flink.streaming.util.serialization.SerializationSchema;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.jms.BytesMessage;
+import javax.jms.Connection;
+import javax.jms.DeliveryMode;
+import javax.jms.Destination;
+import javax.jms.JMSException;
+import javax.jms.MessageProducer;
+import javax.jms.Session;
+
+/**
+ * Sink class for writing data into ActiveMQ queue.
+ * <p>
+ * To create an instance of AMQSink class one should initialize and
configure an
+ * instance of a connection factory that will be used to create a
connection.
+ * Every input message is converted into a byte array using a serialization
+ * schema and being sent into a message queue.
+ *
+ * @param <IN> type of input messages
+ */
+public class AMQSink<IN> extends RichSinkFunction<IN> {
+ private static final long serialVersionUID = 1L;
+
+ private static final Logger LOG =
LoggerFactory.getLogger(AMQSink.class);
+
+ private final ActiveMQConnectionFactory connectionFactory;
+ private final String queueName;
+ private final SerializationSchema<IN> serializationSchema;
+ private boolean logFailuresOnly = false;
+ private transient MessageProducer producer;
+ private transient Session session;
+ private transient Connection connection;
+
+ /**
+ * Create AMQSink.
+ *
+ * @param connectionFactory factory for creating ActiveMQ connection
+ * @param queueName name of a queue to write to
+ * @param serializationSchema schema to serialize input message into a
byte array
+ */
+ public AMQSink(ActiveMQConnectionFactory connectionFactory, String
queueName, SerializationSchema<IN> serializationSchema) {
+ this.connectionFactory = connectionFactory;
+ this.queueName = queueName;
+ this.serializationSchema = serializationSchema;
+ }
+
+ /**
+ * Defines whether the producer should fail on errors, or only log them.
+ * If this is set to true, then exceptions will be only logged, if set
to false,
+ * exceptions will be eventually thrown and cause the streaming program
to
+ * fail (and enter recovery).
+ *
+ * @param logFailuresOnly The flag to indicate logging-only on
exceptions.
+ */
+ public void setLogFailuresOnly(boolean logFailuresOnly) {
+ this.logFailuresOnly = logFailuresOnly;
+ }
+
+
+ @Override
+ public void open(Configuration config) throws Exception {
+ super.open(config);
+ // Create a Connection
+ connection = connectionFactory.createConnection();
+ connection.start();
+
+ // Create a Session
+ session = connection.createSession(false,
+ Session.AUTO_ACKNOWLEDGE);
+
+ // Create the destination (Topic or Queue)
+ Destination destination = session.createQueue(queueName);
--- End diff --
I'll add support for topics.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
