xtdb-core/xtdb.api.log/LocalLog

LocalLog

class LocalLog<M>(rootPath: Path, codec: MessageCodec<M>, instantSource: InstantSource, val epoch: Int, val useInstantSourceForNonTx: Boolean, coroutineContext: CoroutineContext = Dispatchers.IO, logFileName: String = "LOG") : Log<M>

Constructors

LocalLog

constructor(rootPath: Path, codec: MessageCodec<M>, instantSource: InstantSource, epoch: Int, useInstantSourceForNonTx: Boolean, coroutineContext: CoroutineContext = Dispatchers.IO, logFileName: String = "LOG")

Types

Companion

object Companion

Factory

@SerialName(value = "!Local")

@Serializable

data class Factory @JvmOverloads constructor(val path: Path, var instantSource: InstantSource = InstantSource.system(), var epoch: Int = 0, var useInstantSourceForNonTx: Boolean = false, var coroutineContext: CoroutineContext = Dispatchers.IO) : Log.Factory

Used to set configuration options for a local directory based XTDB Log.

Properties

epoch

open override val epoch: Int

latestSubmittedMsgId

open val latestSubmittedMsgId: MessageId

latestSubmittedOffset

@Volatile

open override var latestSubmittedOffset: LogOffset

useInstantSourceForNonTx

val useInstantSourceForNonTx: Boolean

Functions

appendMessage

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?

readRecords

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.

tailAll

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