edu.ucla.sspace.util

Class GeneratorMap<T>

java.lang.Object

edu.ucla.sspace.util.GeneratorMap<T>

All Implemented Interfaces:

Serializable, Map<String,T>

public class GeneratorMap<T>
extends Object
implements Map<String,T>, Serializable

A Mapping from Strings to object instances created by a Generator. If a value does not exist for a given string, one will be automatically generated using a provided Generator.

Author:

Keith Stevens

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
GeneratorMap(Generator<T> generator) Creates a new GeneratorMap using a ConcurrentHashMap.
GeneratorMap(Generator<T> generator, Map<String,T> map) Creates a new GeneratorMap using a the provided map}.

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<String,T>>	entrySet()
boolean	equals(Object o)
T	get(Object term) Returns a T for the given term, if no mapping for term then a new vaue is generated, stored, and returned.
int	hashCode()
boolean	isEmpty()
Set<String>	keySet()
T	put(String key, T vector) Unsupported.
void	putAll(Map<? extends String,? extends T> m) Unsupported.
T	remove(Object key)
int	size()
Collection<T>	values()

Methods inherited from class java.lang.Object

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

Constructor Detail

GeneratorMap

public GeneratorMap(Generator<T> generator)

Creates a new GeneratorMap using a ConcurrentHashMap. Items will be using the provided Generator.

GeneratorMap

public GeneratorMap(Generator<T> generator,
            Map<String,T> map)

Creates a new GeneratorMap using a the provided map}. Items will be using the provided Generator.

Method Detail

clear

public void clear()

Specified by:

clear in interface Map<String,T>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<String,T>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<String,T>

entrySet

public Set<Map.Entry<String,T>> entrySet()

Specified by:

entrySet in interface Map<String,T>

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<String,T>

Overrides:

equals in class Object

get

public T get(Object term)

Returns a T for the given term, if no mapping for term then a new vaue is generated, stored, and returned.

Specified by:

get in interface Map<String,T>

Parameters:

term - The term specifying the item to return.

Returns:

A generated item corresponding to term.

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<String,T>

Overrides:

hashCode in class Object

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<String,T>

keySet

public Set<String> keySet()

Specified by:

keySet in interface Map<String,T>

put

public T put(String key,
    T vector)

Unsupported.

Specified by:

put in interface Map<String,T>

putAll

public void putAll(Map<? extends String,? extends T> m)

Unsupported.

Specified by:

putAll in interface Map<String,T>

size

public int size()

Specified by:

size in interface Map<String,T>

values

public Collection<T> values()

Specified by:

values in interface Map<String,T>

remove

public T remove(Object key)

Specified by:

remove in interface Map<String,T>