Class SimpleIndexHashMapWrapper<K,V>

java.lang.Object
org.mvel2.util.SimpleIndexHashMapWrapper<K,V>
All Implemented Interfaces:
Map<K,V>

public class SimpleIndexHashMapWrapper<K,V> extends Object implements Map<K,V>
As most use-cases of the VariableResolverFactory's rely on Maps, this is meant to implement a simple wrapper which records index positions for use by the optimizing facilities. This wrapper also ensures that the Map is only additive. You cannot remove an element once it's been added. While this may seem like an odd limitation, it is consistent with the language semantics. (ie. it's not possible to delete a variable at runtime once it's been declared).
  • Field Details

  • Constructor Details

    • SimpleIndexHashMapWrapper

      public SimpleIndexHashMapWrapper()
    • SimpleIndexHashMapWrapper

      public SimpleIndexHashMapWrapper(SimpleIndexHashMapWrapper<K,V> wrapper, boolean allocateOnly)
    • SimpleIndexHashMapWrapper

      public SimpleIndexHashMapWrapper(K[] keys)
    • SimpleIndexHashMapWrapper

      public SimpleIndexHashMapWrapper(K[] keys, int initialCapacity, float load)
  • Method Details

    • initWithKeys

      public void initWithKeys(K[] keys)
    • addKey

      public void addKey(K key)
    • addKey

      public void addKey(K key, V value)
    • size

      public int size()
      Specified by:
      size in interface Map<K,V>
    • isEmpty

      public boolean isEmpty()
      Specified by:
      isEmpty in interface Map<K,V>
    • containsKey

      public boolean containsKey(Object key)
      Specified by:
      containsKey in interface Map<K,V>
    • containsValue

      public boolean containsValue(Object value)
      Specified by:
      containsValue in interface Map<K,V>
    • get

      public V get(Object key)
      Specified by:
      get in interface Map<K,V>
    • getByIndex

      public V getByIndex(int index)
    • getKeyAtIndex

      public K getKeyAtIndex(int index)
    • indexOf

      public int indexOf(K key)
    • put

      public V put(K key, V value)
      Specified by:
      put in interface Map<K,V>
    • putAtIndex

      public void putAtIndex(int index, V value)
    • remove

      public V remove(Object key)
      Specified by:
      remove in interface Map<K,V>
    • putAll

      public void putAll(Map<? extends K,? extends V> m)
      Specified by:
      putAll in interface Map<K,V>
    • clear

      public void clear()
      Specified by:
      clear in interface Map<K,V>
    • keySet

      public Set<K> keySet()
      Specified by:
      keySet in interface Map<K,V>
    • values

      public Collection<V> values()
      Specified by:
      values in interface Map<K,V>
    • entrySet

      public Set<Map.Entry<K,V>> entrySet()
      Specified by:
      entrySet in interface Map<K,V>