de.ls5.jlearn.shared
Class AlphabetImpl

java.lang.Object
  de.ls5.jlearn.shared.AlphabetImpl

All Implemented Interfaces:

Alphabet, Serializable

public class AlphabetImpl
extends Object
implements Alphabet

Author:

merten

See Also:

Serialized Form

Constructor Summary

AlphabetImpl()

Method Summary

Symbol	addSymbol(Symbol symbol) Add Symbol to this alphabet.
Symbol	addSymbol(Symbol symbol, int index) Add Symbol to this alphabet at the specified index.
boolean	equals(Object obj)
int	getIndexForSymbol(Symbol symbol) Return index of the given Symbol in this alphabet.
Symbol	getSymbolByIndex(int index) Return Symbol with the given index in this alphabet.
List<Symbol>	getSymbolList() Return a list of all Symbol objects in this alphabet.
int	size() Return number of smybols in this alphabet.

Methods inherited from class java.lang.Object

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

Constructor Detail

AlphabetImpl

public AlphabetImpl()

Method Detail

getIndexForSymbol

public int getIndexForSymbol(Symbol symbol)

Description copied from interface: Alphabet

Return index of the given Symbol in this alphabet.

Specified by:

getIndexForSymbol in interface Alphabet

Returns:

index of symbol if symbol is in alphabet, -1 otherwise.

getSymbolByIndex

public Symbol getSymbolByIndex(int index)

Description copied from interface: Alphabet

Return Symbol with the given index in this alphabet.

Specified by:

getSymbolByIndex in interface Alphabet

Returns:

symbol with given index if symbol is in alphabet, null otherwise.

addSymbol

public Symbol addSymbol(Symbol symbol)

Description copied from interface: Alphabet

Add Symbol to this alphabet.

Specified by:

addSymbol in interface Alphabet

Returns:

symbol added to the alphabet

addSymbol

public Symbol addSymbol(Symbol symbol,
                        int index)

Description copied from interface: Alphabet

Add Symbol to this alphabet at the specified index.

Specified by:

addSymbol in interface Alphabet

Returns:

symbol added to the alphabet

getSymbolList

public List<Symbol> getSymbolList()

Description copied from interface: Alphabet

Return a list of all Symbol objects in this alphabet.

Specified by:

getSymbolList in interface Alphabet

Returns:

list of symbols

size

public int size()

Description copied from interface: Alphabet

Return number of smybols in this alphabet.

Specified by:

size in interface Alphabet

Returns:

number of symbols in alphabet

equals

public boolean equals(Object obj)

Overrides:

equals in class Object