org.pushingpixels.substance.internal.utils

Class LazyResettableHashMap<T>

java.lang.Object

org.pushingpixels.substance.internal.utils.LazyResettableHashMap<T>

Type Parameters:

T - Class for the stored values.

public class LazyResettableHashMap<T>
extends java.lang.Object

Lazily initialized hash map for caching images. Note that this class is not thread safe. In Substance, it is used only from EDT.

Constructor Summary

Constructors

Constructor and Description
LazyResettableHashMap(java.lang.String displayName) Creates a new hash map.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsKey(HashMapKey key) Checks whether there is a value associated with the specified key.
T	get(HashMapKey key) Returns the value registered for the specified key.
static java.util.List<java.lang.String>	getStats() Returns statistical information of the existing hash maps.
void	put(HashMapKey key, T entry) Puts a new key-value pair in the map.
static void	reset() Resets all existing hash maps.
int	size() Returns the number of key-value pairs of this hash map.

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyResettableHashMap

public LazyResettableHashMap(java.lang.String displayName)

Creates a new hash map.

Parameters:

displayName - Display name of the new hash map.

Method Detail

put

public void put(HashMapKey key,
       T entry)

Puts a new key-value pair in the map.

Parameters:

key - Pair key.

entry - Pair value.

get

public T get(HashMapKey key)

Returns the value registered for the specified key.

Parameters:

key - Key.

Returns:

Registered value or null if none.

containsKey

public boolean containsKey(HashMapKey key)

Checks whether there is a value associated with the specified key.

Parameters:

key - Key.

Returns:

true if there is an associated value, false otherwise.

size

public int size()

Returns the number of key-value pairs of this hash map.

Returns:

The number of key-value pairs of this hash map.

reset

public static void reset()

Resets all existing hash maps.

getStats

public static java.util.List<java.lang.String> getStats()

Returns statistical information of the existing hash maps.

Returns:

Statistical information of the existing hash maps.