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Factor out common client settings into a shared trait #913

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Factor out common client settings into a shared trait #913

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1605343
Extract KafkaClientSettings
bplommer Mar 20, 2022
b290238
Use KafkaClientSettings in ConsumerSettings, extract `withClientRack`…
bplommer Mar 20, 2022
8d6f227
Use KafkaClientSettings in AdminClientSettings
bplommer Mar 20, 2022
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99 changes: 1 addition & 98 deletions modules/core/src/main/scala/fs2/kafka/AdminClientSettings.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -24,36 +24,7 @@ import scala.concurrent.duration._
* Use [[AdminClientSettings#apply]] for the default settings, and
* then apply any desired modifications on top of that instance.
*/
sealed abstract class AdminClientSettings {

/**
* Properties which can be provided when creating a Java `KafkaAdminClient`
* instance. Numerous functions in [[AdminClientSettings]] add properties
* here if the settings are used by the Java `KafkaAdminClient`.
*/
def properties: Map[String, String]

/**
* Returns a new [[AdminClientSettings]] instance with the specified
* bootstrap servers. This is equivalent to setting the following
* property using the [[withProperty]] function.
*
* {{{
* AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG
* }}}
*/
def withBootstrapServers(bootstrapServers: String): AdminClientSettings

/**
* Returns a new [[AdminClientSettings]] instance with the specified
* client id. This is equivalent to setting the following property
* using the [[withProperty]] function.
*
* {{{
* AdminClientConfig.CLIENT_ID_CONFIG
* }}}
*/
def withClientId(clientId: String): AdminClientSettings
sealed abstract class AdminClientSettings extends KafkaClientSettings[AdminClientSettings] {

/**
* Returns a new [[AdminClientSettings]] instance with the specified
Expand Down Expand Up @@ -103,18 +74,6 @@ sealed abstract class AdminClientSettings {
*/
def withConnectionsMaxIdle(connectionsMaxIdle: FiniteDuration): AdminClientSettings

/**
* Returns a new [[AdminClientSettings]] instance with the specified
* request timeout. This is equivalent to setting the following
* property using the [[withProperty]] function, except you can
* specify it with a `FiniteDuration` instead of a `String`.
*
* {{{
* AdminClientConfig.REQUEST_TIMEOUT_MS_CONFIG
* }}}
*/
def withRequestTimeout(requestTimeout: FiniteDuration): AdminClientSettings

/**
* Returns a new [[AdminClientSettings]] instance with the specified
* max metadata age. This is equivalent to setting the following
Expand All @@ -138,44 +97,6 @@ sealed abstract class AdminClientSettings {
* }}}
*/
def withRetries(retries: Int): AdminClientSettings

/**
* Includes a property with the specified `key` and `value`.
* The key should be one of the keys in `AdminClientConfig`,
* and the value should be a valid choice for the key.
*/
def withProperty(key: String, value: String): AdminClientSettings

/**
* Includes the specified keys and values as properties. The
* keys should be part of the `AdminClientConfig` keys, and
* the values should be valid choices for the keys.
*/
def withProperties(properties: (String, String)*): AdminClientSettings

/**
* Includes the specified keys and values as properties. The
* keys should be part of the `AdminClientConfig` keys, and
* the values should be valid choices for the keys.
*/
def withProperties(properties: Map[String, String]): AdminClientSettings

/**
* The time to wait for the Java `KafkaAdminClient` to shutdown.<br>
* <br>
* The default value is 20 seconds.
*/
def closeTimeout: FiniteDuration

/**
* Creates a new [[AdminClientSettings]] with the specified [[closeTimeout]].
*/
def withCloseTimeout(closeTimeout: FiniteDuration): AdminClientSettings

/**
* Includes the credentials properties from the provided [[KafkaCredentialStore]]
*/
def withCredentials(credentialsStore: KafkaCredentialStore): AdminClientSettings
}

object AdminClientSettings {
Expand All @@ -184,12 +105,6 @@ object AdminClientSettings {
override val closeTimeout: FiniteDuration
) extends AdminClientSettings {

override def withBootstrapServers(bootstrapServers: String): AdminClientSettings =
withProperty(AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers)

override def withClientId(clientId: String): AdminClientSettings =
withProperty(AdminClientConfig.CLIENT_ID_CONFIG, clientId)

override def withReconnectBackoff(reconnectBackoff: FiniteDuration): AdminClientSettings =
withProperty(
AdminClientConfig.RECONNECT_BACKOFF_MS_CONFIG,
Expand All @@ -215,30 +130,18 @@ object AdminClientSettings {
connectionsMaxIdle.toMillis.toString
)

override def withRequestTimeout(requestTimeout: FiniteDuration): AdminClientSettings =
withProperty(AdminClientConfig.REQUEST_TIMEOUT_MS_CONFIG, requestTimeout.toMillis.toString)

override def withMetadataMaxAge(metadataMaxAge: FiniteDuration): AdminClientSettings =
withProperty(AdminClientConfig.METADATA_MAX_AGE_CONFIG, metadataMaxAge.toMillis.toString)

override def withRetries(retries: Int): AdminClientSettings =
withProperty(AdminClientConfig.RETRIES_CONFIG, retries.toString)

override def withProperty(key: String, value: String): AdminClientSettings =
copy(properties = properties.updated(key, value))

override def withProperties(properties: (String, String)*): AdminClientSettings =
copy(properties = this.properties ++ properties.toMap)

override def withProperties(properties: Map[String, String]): AdminClientSettings =
copy(properties = this.properties ++ properties)

override def withCloseTimeout(closeTimeout: FiniteDuration): AdminClientSettings =
copy(closeTimeout = closeTimeout)

override def withCredentials(credentialsStore: KafkaCredentialStore): AdminClientSettings =
withProperties(credentialsStore.properties)

override def toString: String =
s"AdminClientSettings(closeTimeout = $closeTimeout)"
}
Expand Down
120 changes: 2 additions & 118 deletions modules/core/src/main/scala/fs2/kafka/ConsumerSettings.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@
package fs2.kafka

import cats.{Applicative, Show}
import fs2.kafka.security.KafkaCredentialStore
import org.apache.kafka.clients.consumer.ConsumerConfig
import org.apache.kafka.common.requests.OffsetFetchResponse

Expand Down Expand Up @@ -35,7 +34,8 @@ import scala.concurrent.duration._
* <br>
* Use `ConsumerSettings#apply` to create a new instance.
*/
sealed abstract class ConsumerSettings[F[_], K, V] {
sealed abstract class ConsumerSettings[F[_], K, V]
extends KafkaClientSettings[ConsumerSettings[F, K, V]] {

/**
* The `Deserializer` to use for deserializing record keys.
Expand Down Expand Up @@ -65,24 +65,6 @@ sealed abstract class ConsumerSettings[F[_], K, V] {
*/
def withCustomBlockingContext(ec: ExecutionContext): ConsumerSettings[F, K, V]

/**
* Properties which can be provided when creating a Java `KafkaConsumer`
* instance. Numerous functions in [[ConsumerSettings]] add properties
* here if the settings are used by the Java `KafkaConsumer`.
*/
def properties: Map[String, String]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* bootstrap servers. This is equivalent to setting the following
* property using the [[withProperty]] function.
*
* {{{
* ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG
* }}}
*/
def withBootstrapServers(bootstrapServers: String): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* auto offset reset. This is equivalent to setting the following
Expand All @@ -95,17 +77,6 @@ sealed abstract class ConsumerSettings[F[_], K, V] {
*/
def withAutoOffsetReset(autoOffsetReset: AutoOffsetReset): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* client id. This is equivalent to setting the following property
* using the [[withProperty]] function.
*
* {{{
* ConsumerConfig.CLIENT_ID_CONFIG
* }}}
*/
def withClientId(clientId: String): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* group id. This is equivalent to setting the following property
Expand Down Expand Up @@ -202,18 +173,6 @@ sealed abstract class ConsumerSettings[F[_], K, V] {
*/
def withAutoCommitInterval(autoCommitInterval: FiniteDuration): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* request timeout. This is equivalent to setting the following
* property using the [[withProperty]] function, except you can
* specify it with a `FiniteDuration` instead of a `String`.
*
* {{{
* ConsumerConfig.REQUEST_TIMEOUT_MS_CONFIG
* }}}
*/
def withRequestTimeout(requestTimeout: FiniteDuration): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* default api timeout. This is equivalent to setting the following
Expand Down Expand Up @@ -250,50 +209,6 @@ sealed abstract class ConsumerSettings[F[_], K, V] {
*/
def withAllowAutoCreateTopics(allowAutoCreateTopics: Boolean): ConsumerSettings[F, K, V]

/**
* Returns a new [[ConsumerSettings]] instance with the specified
* client rack. This is equivalent to setting the following
* property using the [[withProperty]] function.
*
* {{{
* ConsumerConfig.CLIENT_RACK_CONFIG
* }}}
*/
def withClientRack(clientRack: String): ConsumerSettings[F, K, V]

/**
* Includes a property with the specified `key` and `value`.
* The key should be one of the keys in `ConsumerConfig`,
* and the value should be a valid choice for the key.
*/
def withProperty(key: String, value: String): ConsumerSettings[F, K, V]

/**
* Includes the specified keys and values as properties. The
* keys should be part of the `ConsumerConfig` keys, and
* the values should be valid choices for the keys.
*/
def withProperties(properties: (String, String)*): ConsumerSettings[F, K, V]

/**
* Includes the specified keys and values as properties. The
* keys should be part of the `ConsumerConfig` keys, and
* the values should be valid choices for the keys.
*/
def withProperties(properties: Map[String, String]): ConsumerSettings[F, K, V]

/**
* The time to wait for the Java `KafkaConsumer` to shutdown.<br>
* <br>
* The default value is 20 seconds.
*/
def closeTimeout: FiniteDuration

/**
* Creates a new [[ConsumerSettings]] with the specified [[closeTimeout]].
*/
def withCloseTimeout(closeTimeout: FiniteDuration): ConsumerSettings[F, K, V]

/**
* The time to wait for offset commits to complete. If an offset commit
* doesn't complete within this time, a [[CommitTimeoutException]] will
Expand Down Expand Up @@ -386,11 +301,6 @@ sealed abstract class ConsumerSettings[F[_], K, V] {
* instead be set to `2` and not the specified value.
*/
def withMaxPrefetchBatches(maxPrefetchBatches: Int): ConsumerSettings[F, K, V]

/**
* Includes the credentials properties from the provided [[KafkaCredentialStore]]
*/
def withCredentials(credentialsStore: KafkaCredentialStore): ConsumerSettings[F, K, V]
}

object ConsumerSettings {
Expand All @@ -410,9 +320,6 @@ object ConsumerSettings {
override def withCustomBlockingContext(ec: ExecutionContext): ConsumerSettings[F, K, V] =
copy(customBlockingContext = Some(ec))

override def withBootstrapServers(bootstrapServers: String): ConsumerSettings[F, K, V] =
withProperty(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers)

override def withAutoOffsetReset(autoOffsetReset: AutoOffsetReset): ConsumerSettings[F, K, V] =
withProperty(
ConsumerConfig.AUTO_OFFSET_RESET_CONFIG,
Expand All @@ -423,9 +330,6 @@ object ConsumerSettings {
}
)

override def withClientId(clientId: String): ConsumerSettings[F, K, V] =
withProperty(ConsumerConfig.CLIENT_ID_CONFIG, clientId)

override def withGroupId(groupId: String): ConsumerSettings[F, K, V] =
withProperty(ConsumerConfig.GROUP_ID_CONFIG, groupId)

Expand Down Expand Up @@ -457,12 +361,6 @@ object ConsumerSettings {
autoCommitInterval.toMillis.toString
)

override def withRequestTimeout(requestTimeout: FiniteDuration): ConsumerSettings[F, K, V] =
withProperty(
ConsumerConfig.REQUEST_TIMEOUT_MS_CONFIG,
requestTimeout.toMillis.toString
)

override def withDefaultApiTimeout(
defaultApiTimeout: FiniteDuration
): ConsumerSettings[F, K, V] =
Expand All @@ -485,15 +383,6 @@ object ConsumerSettings {
): ConsumerSettings[F, K, V] =
withProperty(ConsumerConfig.ALLOW_AUTO_CREATE_TOPICS_CONFIG, allowAutoCreateTopics.toString)

override def withClientRack(clientRack: String): ConsumerSettings[F, K, V] =
withProperty(ConsumerConfig.CLIENT_RACK_CONFIG, clientRack)

override def withProperty(key: String, value: String): ConsumerSettings[F, K, V] =
copy(properties = properties.updated(key, value))

override def withProperties(properties: (String, String)*): ConsumerSettings[F, K, V] =
copy(properties = this.properties ++ properties.toMap)

override def withProperties(properties: Map[String, String]): ConsumerSettings[F, K, V] =
copy(properties = this.properties ++ properties)

Expand All @@ -520,11 +409,6 @@ object ConsumerSettings {
override def withMaxPrefetchBatches(maxPrefetchBatches: Int): ConsumerSettings[F, K, V] =
copy(maxPrefetchBatches = Math.max(2, maxPrefetchBatches))

override def withCredentials(
credentialsStore: KafkaCredentialStore
): ConsumerSettings[F, K, V] =
withProperties(credentialsStore.properties)

override def toString: String =
s"ConsumerSettings(closeTimeout = $closeTimeout, commitTimeout = $commitTimeout, pollInterval = $pollInterval, pollTimeout = $pollTimeout, commitRecovery = $commitRecovery)"
}
Expand Down
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