package speiger.src.collections.PACKAGE.maps.interfaces;

#if MAPS_FEATURE
import speiger.src.collections.PACKAGE.utils.maps.MAPS;
#endif
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.sets.ORDERED_SET;
#endif
import speiger.src.collections.objects.collections.ObjectBidirectionalIterator;
import speiger.src.collections.objects.sets.ObjectOrderedSet;
/**
 * A Special Map Interface giving Access to some really usefull functions
 * The Idea behind this interface is to allow access to functions that give control to the Order of elements.
 * Since Linked implementations as examples can be reordered outside of the Insertion Order.
 * This interface provides basic access to such functions while also providing some Sorted/NaivgableMap implementations that still fit into here.
 * 
 * @Type(T)
 * @ValueType(V)
 */
public interface ORDERED_MAP KEY_VALUE_GENERIC_TYPE extends MAP KEY_VALUE_GENERIC_TYPE
{
	/**
	 * A customized put method that allows you to insert into the first index.
	 * @param key the key that should be inserted
	 * @param value the value that should be inserted
	 * @return the previous present or default return value
	 * @see java.util.Map#put(Object, Object)
	 */
	public VALUE_TYPE putAndMoveToFirst(KEY_TYPE key, VALUE_TYPE value);
	
	/**
	 * A customized put method that allows you to insert into the last index. (This may be nessesary depending on the implementation)
	 * @param key the key that should be inserted
	 * @param value the value that should be inserted
	 * @return the previous present or default return value
	 * @see java.util.Map#put(Object, Object)
	 */
	public VALUE_TYPE putAndMoveToLast(KEY_TYPE key, VALUE_TYPE value);
	
	/**
	 * A specific move method to move a given key/value to the first index.
	 * @param key that should be moved to the first index
	 * @return true if the value was moved.
	 * @note returns false if the value was not present in the first place
	 */
	public boolean moveToFirst(KEY_TYPE key);
	/**
	 * A specific move method to move a given key/value to the last index.
	 * @param key that should be moved to the first last
	 * @return true if the value was moved.
	 * @note returns false if the value was not present in the first place
	 */
	public boolean moveToLast(KEY_TYPE key);
	
	/**
	 * A Specific get method that allows to move teh given key/value int the first index.
	 * @param key that is searched for
	 * @return the given value for the requested key or default return value
	 */
	public VALUE_TYPE getAndMoveToFirst(KEY_TYPE key);
	/**
	 * A Specific get method that allows to move teh given key/value int the last index.
	 * @param key that is searched for
	 * @return the given value for the requested key or default return value
	 */
	public VALUE_TYPE getAndMoveToLast(KEY_TYPE key);
	
	/**
	 * A method to get the first Key of a Map.
	 * @return the first key in the map
	 */
	public KEY_TYPE FIRST_ENTRY_KEY();
	/**
	 * A method to get and remove the first Key of a Map.
	 * @return the first key in the map
	 */
	public KEY_TYPE POLL_FIRST_ENTRY_KEY();
	/**
	 * A method to get the last Key of a Map.
	 * @return the last key in the map
	 */
	public KEY_TYPE LAST_ENTRY_KEY();
	/**
	 * A method to get and remove the last Key of a Map.
	 * @return the last key in the map
	 */
	public KEY_TYPE POLL_LAST_ENTRY_KEY();
	
	/**
	 * A method to get the first Value of a Map.
	 * @return the first key in the map
	 */
	public VALUE_TYPE FIRST_ENTRY_VALUE();
	/**
	 * A method to get the last Value of a Map.
	 * @return the last key in the map
	 */
	public VALUE_TYPE LAST_ENTRY_VALUE();
	
	@Override
	public ORDERED_MAP KEY_VALUE_GENERIC_TYPE copy();
	@Override
	public ORDERED_SET KEY_GENERIC_TYPE keySet();
	@Override
	public ObjectOrderedSet<MAP.Entry KEY_VALUE_GENERIC_TYPE> ENTRY_SET();
	
#if MAPS_FEATURE
	/**
	 * Creates a Wrapped SortedMap that is Synchronized
	 * @return a new SortedMap that is synchronized
	 * @see MAPS#synchronize
	 */
	@Override
	public default ORDERED_MAP KEY_VALUE_GENERIC_TYPE synchronize() { return MAPS.synchronize(this); }
	
	/**
	 * Creates a Wrapped SortedMap that is Synchronized
	 * @param mutex is the controller of the synchronization block
	 * @return a new SortedMap Wrapper that is synchronized
	 * @see MAPS#synchronize
	 */
	@Override
	public default ORDERED_MAP KEY_VALUE_GENERIC_TYPE synchronize(Object mutex) { return MAPS.synchronize(this, mutex); }
	
	/**
	 * Creates a Wrapped SortedMap that is unmodifiable
	 * @return a new SortedMap Wrapper that is unmodifiable
	 * @see MAPS#unmodifiable
	 */
	@Override
	public default ORDERED_MAP KEY_VALUE_GENERIC_TYPE unmodifiable() { return MAPS.unmodifiable(this); }
	
#endif
	/**
	 * Fast Ordered Entry Set that allows for a faster Entry Iterator by recycling the Entry Object and just exchanging 1 internal value
	 * @Type(T)
	 * @ValueType(V)
	 */
	interface FastOrderedSet KEY_VALUE_GENERIC_TYPE extends MAP.FastEntrySet KEY_VALUE_GENERIC_TYPE, ObjectOrderedSet<MAP.Entry KEY_VALUE_GENERIC_TYPE> {
		@Override
		public ObjectBidirectionalIterator<MAP.Entry KEY_VALUE_GENERIC_TYPE> fastIterator();
		/**
		 * Fast iterator that recycles the given Entry object to improve speed and reduce object allocation
		 * @param fromElement that is going to be started from.
		 * @return a improved iterator that starts from the desired element
		 */
		public ObjectBidirectionalIterator<MAP.Entry KEY_VALUE_GENERIC_TYPE> fastIterator(KEY_TYPE fromElement);
	}
}