Class LazyResettableHashMap<T>
- java.lang.Object
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- org.pushingpixels.substance.internal.utils.LazyResettableHashMap<T>
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- Type Parameters:
T
- Class for the stored values.
public class LazyResettableHashMap<T> extends Object
Lazily initialized hash map for caching images. Note that this class is not thread safe. In Substance, it is used only from EDT.
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Constructor Summary
Constructors Constructor Description LazyResettableHashMap(String displayName)
Creates a new hash map.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method 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 List<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.
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Constructor Detail
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LazyResettableHashMap
public LazyResettableHashMap(String displayName)
Creates a new hash map.- Parameters:
displayName
- Display name of the new hash map.
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Method Detail
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put
public void put(HashMapKey key, T entry)
Puts a new key-value pair in the map.- Parameters:
key
- Pair key.entry
- Pair value.
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get
public T get(HashMapKey key)
Returns the value registered for the specified key.- Parameters:
key
- Key.- Returns:
- Registered value or
null
if none.
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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.
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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.
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reset
public static void reset()
Resets all existing hash maps.
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