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https://issues.apache.org/jira/browse/FLINK-8468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505757#comment-16505757
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ASF GitHub Bot commented on FLINK-8468:
---------------------------------------
Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5410#discussion_r193964437
--- Diff:
flink-connectors/flink-connector-rabbitmq/src/main/java/org/apache/flink/streaming/connectors/rabbitmq/RMQSinkPublishOptions.java
---
@@ -0,0 +1,70 @@
+/*
+ * 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.rabbitmq;
+
+import org.apache.flink.annotation.PublicEvolving;
+
+import com.rabbitmq.client.AMQP.BasicProperties;
+
+/**
+ * The message computation provides methods to compute the message routing
key and/or the properties.
+ *
+ * @param <IN> The type of the data used by the sink.
+ */
+@PublicEvolving
+public interface RMQSinkPublishOptions<IN> extends java.io.Serializable {
+
+ /**
+ * Compute the message's routing key from the data.
+ * @param a The data used by the sink
+ * @return The routing key of the message
+ */
+ String computeRoutingKey(IN a);
+
+ /**
+ * Compute the message's properties from the data.
+ * @param a The data used by the sink
+ * @return The message's properties (can be null)
+ */
+ BasicProperties computeProperties(IN a);
+
+ /**
+ * Compute the exchange from the data.
+ * @param a The data used by the sink
+ * @return The exchange to publish the message to
+ */
+ String computeExchange(IN a);
+
+ /**
+ * Compute the mandatory flag used in basic.publish method
+ * See AMQP API help for values.
+ * A ReturnListener is mandatory if this flag can be true (if not it is
ignored and forced to false)
+ * @param a The data used by the sink
+ * @return The mandatory flag
+ */
+ boolean computeMandatory(IN a);
--- End diff --
ping
> Make the connector to take advantage of AMQP features (routing key, exchange
> and message properties)
> ----------------------------------------------------------------------------------------------------
>
> Key: FLINK-8468
> URL: https://issues.apache.org/jira/browse/FLINK-8468
> Project: Flink
> Issue Type: Improvement
> Components: RabbitMQ Connector
> Affects Versions: 1.4.0
> Reporter: Ph.Duveau
> Priority: Major
>
> Make the connector to take advantage of AMQP features by adding a constructor
> and an interface to implement
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