Package io.smallrye.reactive.messaging.kafka.commit

Class FileCheckpointStateStore

java.lang.Object

io.smallrye.reactive.messaging.kafka.commit.FileCheckpointStateStore

All Implemented Interfaces:

CheckpointStateStore

public class FileCheckpointStateStore
extends Object
implements CheckpointStateStore

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileCheckpointStateStore.Factory

Field Summary

Fields

Modifier and Type	Field	Description
static final String	STATE_STORE_NAME

Constructor Summary

Constructors

Constructor	Description
FileCheckpointStateStore(io.vertx.mutiny.core.Vertx vertx, String consumerGroupId, File stateDir, ProcessingStateCodec codec)

Method Summary

Modifier and Type	Method	Description
io.smallrye.mutiny.Uni<Map<org.apache.kafka.common.TopicPartition,ProcessingState<?>>>	fetchProcessingState(Collection<org.apache.kafka.common.TopicPartition> partitions)	Fetch the latest processing state for given topic-partitions.
protected io.smallrye.mutiny.Uni<ProcessingState<?>>	fetchProcessingState(org.apache.kafka.common.TopicPartition partition)
File	getStateDir()
io.smallrye.mutiny.Uni<Void>	persistProcessingState(Map<org.apache.kafka.common.TopicPartition,ProcessingState<?>> state)	Persist the given processing state in the state store
protected io.smallrye.mutiny.Uni<Void>	persistProcessingState(org.apache.kafka.common.TopicPartition partition, ProcessingState<?> state)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.smallrye.reactive.messaging.kafka.commit.CheckpointStateStore

close

Field Details

STATE_STORE_NAME

public static final String STATE_STORE_NAME

See Also:

• Constant Field Values

Constructor Details

FileCheckpointStateStore

public FileCheckpointStateStore(io.vertx.mutiny.core.Vertx vertx,
 String consumerGroupId,
 File stateDir,
 ProcessingStateCodec codec)

Method Details

getStateDir

public File getStateDir()

fetchProcessingState

public io.smallrye.mutiny.Uni<Map<org.apache.kafka.common.TopicPartition,ProcessingState<?>>> fetchProcessingState(Collection<org.apache.kafka.common.TopicPartition> partitions)

Description copied from interface: CheckpointStateStore

Fetch the latest processing state for given topic-partitions.

Called on Vert.x event loop context

Specified by:

fetchProcessingState in interface CheckpointStateStore

Parameters:

partitions - set of topic-partitions

Returns:

the Uni completing with the map of processing state by topic-partition

fetchProcessingState

protected io.smallrye.mutiny.Uni<ProcessingState<?>> fetchProcessingState(org.apache.kafka.common.TopicPartition partition)

persistProcessingState

public io.smallrye.mutiny.Uni<Void> persistProcessingState(Map<org.apache.kafka.common.TopicPartition,ProcessingState<?>> state)

Description copied from interface: CheckpointStateStore

Persist the given processing state in the state store

Called on Vert.x event loop context

Specified by:

persistProcessingState in interface CheckpointStateStore

Parameters:

state - map of processing state by topic-partition

Returns:

the Uni completing when the persist operation is completed.

persistProcessingState

protected io.smallrye.mutiny.Uni<Void> persistProcessingState(org.apache.kafka.common.TopicPartition partition,
 ProcessingState<?> state)