core/org.gnit.lucenekmp.index/PendingDeletes

PendingDeletes

open class PendingDeletes(val info: SegmentCommitInfo, initialLiveDocs: Bits? = null, liveDocsInitialized: Boolean = !info.hasDeletions())

This class handles accounting and applying pending deletes for live segment readers

Constructors

PendingDeletes

constructor(info: SegmentCommitInfo, initialLiveDocs: Bits? = null, liveDocsInitialized: Boolean = !info.hasDeletions())

constructor(reader: SegmentReader, info: SegmentCommitInfo)

Properties

delCount

val delCount: Int

hardLiveDocs

open val hardLiveDocs: Bits?

info

val info: SegmentCommitInfo

liveDocs

var liveDocs: Bits?

liveDocsInitialized

var liveDocsInitialized: Boolean

Functions

delete

open fun delete(docID: Int): Boolean

Marks a document as deleted in this segment and return true if a document got actually deleted or if the document was already deleted.

dropChanges

open fun dropChanges()

Resets the pending docs

isFullyDeleted

open fun isFullyDeleted(readerIOSupplier: IOSupplier<CodecReader>): Boolean

Returns true iff the segment represented by this PendingDeletes is fully deleted

mustInitOnDelete

open fun mustInitOnDelete(): Boolean

Returns true if we have to initialize this PendingDeletes before .delete; otherwise this PendingDeletes is ready to accept deletes. A PendingDeletes can be initialized by providing it a reader via .onNewReader.

needsRefresh

fun needsRefresh(reader: CodecReader): Boolean

Returns true if the given reader needs to be refreshed in order to see the latest deletes

numDeletesToMerge

open fun numDeletesToMerge(policy: MergePolicy, readerIOSupplier: IOSupplier<CodecReader>): Int

numDocs

fun numDocs(): Int

Returns the number of live documents in this segment

numPendingDeletes

open fun numPendingDeletes(): Int

Returns the number of pending deletes that are not written to disk.

onDocValuesUpdate

open fun onDocValuesUpdate(info: FieldInfo, iterator: DocValuesFieldUpdates.Iterator)

Called for every field update for the given field at flush time

onNewReader

open fun onNewReader(reader: CodecReader, info: SegmentCommitInfo)

Called once a new reader is opened for this segment ie. when deletes or updates are applied.

toString

open override fun toString(): String

verifyDocCounts

fun verifyDocCounts(reader: CodecReader): Boolean

writeLiveDocs

open fun writeLiveDocs(dir: Directory): Boolean

Writes the live docs to disk and returns true if any new docs were written.