Package io.datarouter.bytes.blockfile.row

Class BlockfileRowCollator.BlockfileRowCollatorPruneVersionsScanner

java.lang.Object

io.datarouter.scanner.BaseScanner<BlockfileRow>

io.datarouter.scanner.BaseLinkedScanner<BlockfileRow,BlockfileRow>

io.datarouter.bytes.blockfile.row.BlockfileRowCollator.BlockfileRowCollatorPruneVersionsScanner

All Implemented Interfaces:

io.datarouter.scanner.Scanner<BlockfileRow>, Closeable, AutoCloseable

Enclosing class:

BlockfileRowCollator

public static class BlockfileRowCollator.BlockfileRowCollatorPruneVersionsScanner
extends io.datarouter.scanner.BaseLinkedScanner<BlockfileRow,BlockfileRow>

Assumes non-null entries. Assumes inputs are sorted by version asc. Keep the last entry for each key, the one with the latest version.

Field Summary

Fields inherited from class io.datarouter.scanner.BaseLinkedScanner

closed, input

Fields inherited from class io.datarouter.scanner.BaseScanner

current

Constructor Summary

Constructors

Constructor	Description
BlockfileRowCollatorPruneVersionsScanner(io.datarouter.scanner.Scanner<BlockfileRow> input)

Method Summary

Modifier and Type	Method	Description
boolean	advanceInternal()

Methods inherited from class io.datarouter.scanner.BaseLinkedScanner

advance, close, closeInternal

Methods inherited from class io.datarouter.scanner.BaseScanner

current

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.datarouter.scanner.Scanner

advanceUntil, advanceWhile, allMatch, anyMatch, append, append, append, apply, batch, batchByMinSize, collate, collate, collateV2, collect, collect, concat, concatIter, concatOpt, count, countInt, deduplicateConsecutive, deduplicateConsecutiveBy, deduplicateConsecutiveBy, distinct, distinctBy, each, exclude, findFirst, findLast, findMax, findMin, flush, forEach, groupBy, groupBy, groupBy, groupBy, hasAny, include, isEmpty, iterable, iterator, limit, link, list, listTo, map, maxN, merge, minN, next, noneMatch, parallelOrdered, parallelUnordered, peekFirst, periodic, periodic, prefetch, reduce, reduce, retain, reverse, sample, shuffle, skip, sort, sort, splitBy, splitBy, stream, streamDoubles, streamInts, streamLongs, take, then, timeNanos, toArray, toMap, toMap, toMap, toMap, toMap, toMapSupplied, toMapSupplied, toMapSupplied, toMapSupplied

Constructor Details

BlockfileRowCollatorPruneVersionsScanner

public BlockfileRowCollatorPruneVersionsScanner(io.datarouter.scanner.Scanner<BlockfileRow> input)

Method Details

advanceInternal

public boolean advanceInternal()

Specified by:

advanceInternal in class io.datarouter.scanner.BaseLinkedScanner<BlockfileRow,BlockfileRow>