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[flink] Allow to specify a custom Pulsar producer #3894

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Mar 25, 2019
Merged

[flink] Allow to specify a custom Pulsar producer #3894

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14 changes: 13 additions & 1 deletion ...flink/src/main/java/org/apache/flink/streaming/connectors/pulsar/FlinkPulsarProducer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -115,13 +115,22 @@ public FlinkPulsarProducer(String serviceUrl,
String defaultTopicName,
SerializationSchema<IN> serializationSchema,
PulsarKeyExtractor<IN> keyExtractor) {
this(serviceUrl, defaultTopicName, serializationSchema, keyExtractor, null);
}

public FlinkPulsarProducer(String serviceUrl,
String defaultTopicName,
SerializationSchema<IN> serializationSchema,
PulsarKeyExtractor<IN> keyExtractor,
Producer<byte[]> producer) {
checkArgument(StringUtils.isNotBlank(serviceUrl), "Service url cannot be blank");
checkArgument(StringUtils.isNotBlank(defaultTopicName), "TopicName cannot be blank");
this.serviceUrl = serviceUrl;
this.defaultTopicName = defaultTopicName;
this.schema = checkNotNull(serializationSchema, "Serialization Schema not set");
this.flinkPulsarKeyExtractor = getOrNullKeyExtractor(keyExtractor);
ClosureCleaner.ensureSerializable(serializationSchema);
this.producer = producer;
}

// ---------------------------------- Properties --------------------------
Expand Down Expand Up @@ -185,7 +194,10 @@ private Producer<byte[]> createProducer() throws Exception {
*/
@Override
public void open(Configuration parameters) throws Exception {
this.producer = createProducer();
if (producer == null) {
// If no custom producer was specified create a default one
this.producer = createProducer();
}

RuntimeContext ctx = getRuntimeContext();

Expand Down