Package net.automatalib.alphabet

Class MapAlphabet<I>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<I>

net.automatalib.alphabet.AbstractAlphabet<I>

net.automatalib.alphabet.MapAlphabet<I>

Type Parameters:

I - input symbol type

All Implemented Interfaces:

Iterable<I>, Collection<I>, Comparator<I>, IntFunction<I>, ToIntFunction<I>, List<I>, Alphabet<I>, ArrayWritable<I>

Direct Known Subclasses:

DefaultProceduralOutputAlphabet, GrowingMapAlphabet

public class MapAlphabet<I>
extends AbstractAlphabet<I>

A map-based alphabet implementation, that does not impose any restriction on the input symbol class. This implementation stores the alphabet symbols in a List for fast idx to symbol look-ups as well as a Map for fast symbol to idx look-ups.

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<I,Integer>	indexMap
protected List<I>	symbols

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
MapAlphabet(Collection<? extends I> symbols)

Method Summary

Modifier and Type	Method	Description
boolean	containsSymbol(I symbol)
I	getSymbol(int index)
int	getSymbolIndex(I symbol)
int	size()

Methods inherited from class net.automatalib.alphabet.AbstractAlphabet

get, reversed

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface net.automatalib.alphabet.Alphabet

apply, applyAsInt, compare, translateFrom, writeToArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.util.Comparator

equals, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Field Detail

symbols

protected final List<I> symbols

indexMap

protected final Map<I,Integer> indexMap

Constructor Detail

MapAlphabet

public MapAlphabet(Collection<? extends I> symbols)

Method Detail

size

public int size()

Specified by:

size in interface ArrayWritable<I>

Specified by:

size in interface Collection<I>

Specified by:

size in interface List<I>

Specified by:

size in class AbstractCollection<I>

getSymbol

public I getSymbol(int index)

getSymbolIndex

public int getSymbolIndex(I symbol)

containsSymbol

public boolean containsSymbol(I symbol)