io.datarouter.scanner

Class IteratingScanner<T>

java.lang.Object

io.datarouter.scanner.BaseScanner<T>

io.datarouter.scanner.IteratingScanner<T>

All Implemented Interfaces:

Scanner<T>, Closeable, AutoCloseable

public class IteratingScanner<T>
extends BaseScanner<T>

Field Summary

Fields inherited from class io.datarouter.scanner.BaseScanner

current

Constructor Summary

Constructors

Constructor and Description
IteratingScanner(T seed, UnaryOperator<T> unaryOperator)

Method Summary

Modifier and Type	Method and 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, concat, concat, concatIter, count, deduplicateConsecutive, deduplicateConsecutiveBy, distinct, distinctBy, each, empty, exclude, findFirst, findLast, findMax, findMin, flush, forEach, generate, groupBy, groupBy, groupBy, groupBy, hasAny, include, isEmpty, iterable, iterate, iterator, limit, link, list, listTo, map, maxN, minN, noneMatch, of, of, of, of, of, ofNullable, 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 Detail

IteratingScanner

public IteratingScanner(T seed,
                        UnaryOperator<T> unaryOperator)

Method Detail

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