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Add config property for Kafka consumer isolation level

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See gh-17389
This commit is contained in:
Ryan Dunckel
2019-07-01 14:22:42 -05:00
committed by Andy Wilkinson
parent 0d124e9857
commit 1b8f955fec
2 changed files with 34 additions and 0 deletions
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16
spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/kafka/KafkaProperties.java
View File

@@ -266,6 +266,13 @@ public class KafkaProperties {
*/
private Duration heartbeatInterval;
/**
* Controls how transactional messages are returned when polling the broker
* (non-transactional messages will be unconditionally returned, regardless of
* this setting).
*/
private String isolationLevel;
/**
* Deserializer class for keys.
*/
@@ -362,6 +369,14 @@ public class KafkaProperties {
this.heartbeatInterval = heartbeatInterval;
}
public String getIsolationLevel() {
return this.isolationLevel;
}
public void setIsolationLevel(String isolationLevel) {
this.isolationLevel = isolationLevel;
}
public Class<?> getKeyDeserializer() {
return this.keyDeserializer;
}
@@ -406,6 +421,7 @@ public class KafkaProperties {
map.from(this::getGroupId).to(properties.in(ConsumerConfig.GROUP_ID_CONFIG));
map.from(this::getHeartbeatInterval).asInt(Duration::toMillis)
.to(properties.in(ConsumerConfig.HEARTBEAT_INTERVAL_MS_CONFIG));
map.from(this::getIsolationLevel).to(properties.in(ConsumerConfig.ISOLATION_LEVEL_CONFIG));
map.from(this::getKeyDeserializer).to(properties.in(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG));
map.from(this::getValueDeserializer).to(properties.in(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG));
map.from(this::getMaxPollRecords).to(properties.in(ConsumerConfig.MAX_POLL_RECORDS_CONFIG));

18
spring-boot-project/spring-boot-autoconfigure/src/main/resources/META-INF/additional-spring-configuration-metadata.json
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@@ -2228,6 +2228,24 @@
}
]
},
{
"name": "spring.kafka.consumer.isolation-level",
"values": [
{
"value": "read_committed",
"description": "Only consume transactional messages that have been committed."
},
{
"value": "read_uncommitted",
"description": "Consume all transactional messages (even those that have been aborted)."
}
],
"providers": [
{
"name": "any"
}
]
},
{
"name": "spring.kafka.producer.key-serializer",
"providers": [