org.sejda.common

Class LookupTable<I>

java.lang.Object

org.sejda.common.LookupTable<I>

Type Parameters:

I - type of the items

public class LookupTable<I>
extends Object

Component that allows to set up a lookup relation between items of the same type.

Author:

Andrea Vacondio

Constructor Summary

Constructors

Constructor and Description
LookupTable()

Method Summary

Modifier and Type	Method and Description
void	addLookupEntry(I keyItem, I valueItem) Adds a lookup entry.
void	clear()
I	first()
boolean	hasLookupFor(I item)
boolean	isEmpty()
Set<I>	keys()
I	lookup(I item) Looks up the item that correspond to the given one
Collection<I>	values()

Methods inherited from class java.lang.Object

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

Constructor Detail

LookupTable

public LookupTable()

Method Detail

addLookupEntry

public void addLookupEntry(I keyItem,
                           I valueItem)

Adds a lookup entry.

Parameters:

keyItem -

valueItem -

clear

public void clear()

isEmpty

public boolean isEmpty()

Returns:

true if the table is empty

lookup

public I lookup(I item)

Looks up the item that correspond to the given one

Parameters:

item -

Returns:

the item associated to the given input one or null if no mapping is present

hasLookupFor

public boolean hasLookupFor(I item)

Parameters:

item -

Returns:

true if the table contains a lookup for the given item

values

public Collection<I> values()

Returns:

a collection containing values of the table

first

public I first()

Returns:

the first item or null if the table is empty.

keys

public Set<I> keys()

Returns:

the keys of the table