Package 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 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 Details

    • LazyResettableHashMap

      public LazyResettableHashMap(String displayName)
      Creates a new hash map.
      Parameters:
      displayName - Display name of the new hash map.

  • Method Details

    • 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 List<String> getStats()
      Returns statistical information of the existing hash maps.
      Returns:
      Statistical information of the existing hash maps.