org.verapdf.core

Interface Directory<K,V>

Type Parameters:

K - the Directory key type

V - the Directory value type

All Known Subinterfaces:

Registry<K,V>

All Known Implementing Classes:

MapBackedDirectory, MapBackedRegistry

public interface Directory<K,V>

A read only Directory that supports key and value types.

Author:

Carl Wilson

Method Summary

Modifier and Type	Method and Description
V	getItem(K key)
Collection<V>	getItems()
Set<K>	getKeys()
boolean	isEmpty()
int	size()

Method Detail

getItem

V getItem(K key)

Parameters:

key - the key used to lookup a particular item

Returns:

the value instance associated with the key

getItems

Collection<V> getItems()

Returns:

the Collection of values contained in the directory

getKeys

Set<K> getKeys()

Returns:

the Set of keys contained in the directory

size

int size()

Returns:

the number of items held in the directory

isEmpty

boolean isEmpty()

Returns:

true if the directory contains no items, false if not.