xtdb-core/xtdb.api.log/InMemoryLog

InMemoryLog

class InMemoryLog<M>(instantSource: InstantSource, val epoch: Int) : Log<M>

Constructors

constructor(instantSource: InstantSource, epoch: Int)

Types

object Companion

@SerialName(value = "!InMemory")

@Serializable

data class Factory(var instantSource: InstantSource = InstantSource.system(), var epoch: Int = 0) : Log.Factory

Properties

open override val epoch: Int

latestSubmittedMsgId

open val latestSubmittedMsgId: MessageId

latestSubmittedOffset

open override var latestSubmittedOffset: LogOffset

Functions

open suspend override fun appendMessage(message: M): Log.MessageMetadata

appendMessageBlocking

open fun appendMessageBlocking(message: M): Log.MessageMetadata

open override fun close()

openAtomicProducer

open override fun openAtomicProducer(transactionalId: String): Log.AtomicProducer<M>

openGroupSubscription

open suspend override fun openGroupSubscription(listener: Log.SubscriptionListener<M>)

readLastMessage

open override fun readLastMessage(): M?

open override fun readRecords(fromMsgId: MessageId, toMsgId: MessageId): Sequence<Log.Record<M>>

Reads records in the range [fromMsgId, toMsgId) (start-inclusive, end-exclusive). Returns a lazy sequence of decoded records in offset order. If toMsgId exceeds the latest submitted offset, reads up to the latest available record.

open suspend override fun tailAll(afterMsgId: MessageId, processor: Log.RecordProcessor<M>)