Package io.datarouter.scanner

Class ParallelMappingScanner<T,R>

java.lang.Object

io.datarouter.scanner.BaseScanner<R>

io.datarouter.scanner.ParallelMappingScanner<T,R>

All Implemented Interfaces:

Scanner<R>, Closeable, AutoCloseable

public class ParallelMappingScanner<T,R>
extends BaseScanner<R>

Field Summary

Fields inherited from class io.datarouter.scanner.BaseScanner

current

Constructor Summary

Constructors

Constructor	Description
ParallelMappingScanner(Scanner<T> input, boolean allowUnorderedResults, ExecutorService executor, int numThreads, Function<? super T,? extends R> mapper)

Method Summary

Modifier and Type	Method	Description
boolean	advance()	Try to update current to the next item, if there is one.

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, close, collate, collate, collect, collect, concat, concatIter, count, 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, minN, noneMatch, parallel, prefetch, reduce, reduce, retain, reverse, sample, shuffle, skip, sort, sort, splitBy, stream, streamDoubles, streamInts, streamLongs, take, then, toArray, toMap, toMap, toMap, toMap, toMap, toMapSupplied, toMapSupplied, toMapSupplied, toMapSupplied

Constructor Details

ParallelMappingScanner

public ParallelMappingScanner(Scanner<T> input,
 boolean allowUnorderedResults,
 ExecutorService executor,
 int numThreads,
 Function<? super T,? extends R> mapper)

Method Details

advance

public boolean advance()

Description copied from interface: Scanner

Try to update current to the next item, if there is one.

Returns:

True if it advanced