Package io.smallrye.reactive.messaging.kafka

Class KafkaConnectorCommonConfiguration

java.lang.Object

io.smallrye.reactive.messaging.kafka.KafkaConnectorCommonConfiguration

Direct Known Subclasses:

KafkaConnectorIncomingConfiguration, KafkaConnectorOutgoingConfiguration

public class KafkaConnectorCommonConfiguration
extends Object

Extracts the common configuration for the smallrye-kafka connector.

Field Summary

Fields

Modifier and Type	Field	Description
protected org.eclipse.microprofile.config.Config	config

Constructor Summary

Constructors

Constructor	Description
KafkaConnectorCommonConfiguration(org.eclipse.microprofile.config.Config config)	Creates a new KafkaConnectorCommonConfiguration.

Method Summary

Modifier and Type	Method	Description
org.eclipse.microprofile.config.Config	config()
String	getBootstrapServers()	Gets the bootstrap.servers value from the configuration.
String	getChannel()
protected <T> Optional<T>	getFromAlias(String alias, Class<T> type)	Retrieves the value stored for the given alias.
protected <T> T	getFromAliasWithDefaultValue(String alias, Class<T> type, T defaultValue)	Retrieves the value stored for the given alias.
Optional<String>	getTopic()	Gets the topic value from the configuration.
void	validate()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

config

protected final org.eclipse.microprofile.config.Config config

Constructor Detail

KafkaConnectorCommonConfiguration

public KafkaConnectorCommonConfiguration(org.eclipse.microprofile.config.Config config)

Creates a new KafkaConnectorCommonConfiguration.

Method Detail

config

public org.eclipse.microprofile.config.Config config()

Returns:

the connector configuration

getFromAlias

protected <T> Optional<T> getFromAlias(String alias,
                                       Class<T> type)

Retrieves the value stored for the given alias.

Type Parameters:

T - the targeted type

Parameters:

alias - the attribute alias, must not be null or blank

type - the targeted type

Returns:

the configuration value for the given alias, empty if not set

getFromAliasWithDefaultValue

protected <T> T getFromAliasWithDefaultValue(String alias,
                                             Class<T> type,
                                             T defaultValue)

Retrieves the value stored for the given alias. Returns the default value if not present.

Type Parameters:

T - the targeted type

Parameters:

alias - the attribute alias, must not be null or blank

type - the targeted type

defaultValue - the default value

Returns:

the configuration value for the given alias, empty if not set

getChannel

public String getChannel()

Returns:

the channel name

getBootstrapServers

public String getBootstrapServers()

Gets the bootstrap.servers value from the configuration. Attribute Name: bootstrap.servers Description: A comma-separated list of host:port to use for establishing the initial connection to the Kafka cluster. MicroProfile Config Alias: kafka.bootstrap.servers Default Value: localhost:9092

Returns:

the bootstrap.servers

getTopic

public Optional<String> getTopic()

Gets the topic value from the configuration. Attribute Name: topic Description: The consumed / populated Kafka topic. If not set, the channel name is used

Returns:

the topic

validate

public void validate()