be.ehealth.technicalconnector.cache.impl

Class HashMapCache<K,V>

java.lang.Object

be.ehealth.technicalconnector.cache.impl.HashMapCache<K,V>

All Implemented Interfaces:

Cache<K,V>, ConfigurableImplementation

public class HashMapCache<K,V>
extends Object
implements Cache<K,V>, ConfigurableImplementation

Implementation of Cache based on a HashMap implementation. Warning Not safe to use in a multi threaded environment.

Field Summary

Fields inherited from interface be.ehealth.technicalconnector.cache.Cache

CACHE_EXPIRY_DURATION, CACHE_EXPIRY_TYPE, CACHE_NAME

Constructor Summary

Constructors

Constructor and Description
HashMapCache()

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the cache.
boolean	containsKey(K key) Returns true, if there is a mapping for the specified key.
V	get(K key) Returns a value associated by the given key, that contains a non expired value.
String	getName() A configured or generated name of this cache instance.
void	initialize(Map<String,Object> parameterMap) initializes the implementation with additional parameters.
void	put(K key, V value) Updates an existing cache entry for the specified key, so it associates the given value, or, insert a new cache entry for this key and value.
void	putAll(Map<K,V> map)
void	remove(K key) Removes the mapping for a key from the cache if it is present.

Methods inherited from class java.lang.Object

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

Constructor Detail

HashMapCache

public HashMapCache()

Method Detail

getName

public String getName()

Description copied from interface: Cache

A configured or generated name of this cache instance.

Specified by:

getName in interface Cache<K,V>

Returns:

name of this cache or null for anonymous caches.

get

public V get(K key)

Description copied from interface: Cache

Returns a value associated by the given key, that contains a non expired value. If no value is present or it is expired the cache loader is invoked, if configured, or null is returned.

Specified by:

get in interface Cache<K,V>

Parameters:

key - key with which the specified value is associated

Returns:

the value associated with the specified key, or null if there was no mapping for the key.

containsKey

public boolean containsKey(K key)

Description copied from interface: Cache

Returns true, if there is a mapping for the specified key.

Specified by:

containsKey in interface Cache<K,V>

Parameters:

key - key which association should be checked

Returns:

true, if this cache contains a mapping for the specified key

put

public void put(K key,
                V value)

Description copied from interface: Cache

Updates an existing cache entry for the specified key, so it associates the given value, or, insert a new cache entry for this key and value.

Specified by:

put in interface Cache<K,V>

Parameters:

key - key with which the specified value is associated

value - value to be associated with the specified key

remove

public void remove(K key)

Description copied from interface: Cache

Removes the mapping for a key from the cache if it is present.

Specified by:

remove in interface Cache<K,V>

Parameters:

key - key which mapping is to be removed from the cache, not null

clear

public void clear()

Description copied from interface: Cache

Clear the cache.

Specified by:

clear in interface Cache<K,V>

putAll

public void putAll(Map<K,V> map)

Specified by:

putAll in interface Cache<K,V>

initialize

public void initialize(Map<String,Object> parameterMap)
                throws TechnicalConnectorException

Description copied from interface: ConfigurableImplementation

initializes the implementation with additional parameters.

Specified by:

initialize in interface ConfigurableImplementation

Parameters:

parameterMap - Map with for each propertyString ,the input parameter as Object.

Throws:

TechnicalConnectorException - if the parameterMap is not correct.