Added PriorityQueues

This commit is contained in:
Speiger 2021-06-23 22:14:08 +02:00
parent a28149ac8d
commit b50307c88d
4 changed files with 136 additions and 1 deletions

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@ -11,4 +11,5 @@
- Changed: Maps.remove function is no longer using Suffixes unless its absolutely necessary.
- Changed: ObjectList methods are no longer marked Deprecated even so it was for primitive ones.
- Added: Shuffle & Reverse Methods.
- Added: Concat Iterators.
- Added: Concat Iterators.
- Added: PriorityQueues

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@ -162,6 +162,7 @@ public class GlobalVariables
addClassMapper("SETS", "Sets");
addClassMapper("COLLECTIONS", "Collections");
addClassMapper("ARRAYS", "Arrays");
addClassMapper("PRIORITY_QUEUES", "PriorityQueues");
addClassMapper("SPLIT_ITERATORS", "Splititerators");
addClassMapper("ITERATORS", "Iterators");
addBiClassMapper("MAPS", "Maps", "2");

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@ -78,6 +78,12 @@ public interface PRIORITY_QUEUE KEY_GENERIC_TYPE extends ITERABLE KEY_GENERIC_TY
*/
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator();
#if TYPE_OBJECT
/**
* @return draining iterator of the PriorityQueue
*/
public ITERATOR KEY_GENERIC_TYPE iterator();
#endif
/**
* A method to drop the contents of the Queue without clearing the queue
* @return the contents of the queue into a seperate array.

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@ -0,0 +1,127 @@
package speiger.src.collections.PACKAGE.utils;
#if TYPE_OBJECT
import java.util.Comparator;
#endif
import speiger.src.collections.PACKAGE.collections.ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.PACKAGE.queues.PRIORITY_DEQUEUE;
import speiger.src.collections.PACKAGE.queues.PRIORITY_QUEUE;
/**
* A Helper class for PriorityQueues
*/
public class PRIORITY_QUEUES
{
/**
* Returns a synchronized PriorityQueue instance based on the instance given.
* @param queue that should be synchronized
* @Type(T)
* @return a synchronized PriorityQueue wrapper.
*/
public static GENERIC_KEY_BRACES PRIORITY_QUEUE KEY_GENERIC_TYPE synchronize(PRIORITY_QUEUE KEY_GENERIC_TYPE queue) {
return queue instanceof SynchronizedPriorityQueue ? (SynchronizedPriorityQueue KEY_GENERIC_TYPE)queue : new SynchronizedPriorityQueueBRACES(queue);
}
/**
* Returns a synchronized PriorityQueue instance based on the instance given.
* @param queue that should be synchronized
* @param mutex is the controller of the synchronization block.
* @Type(T)
* @return a synchronized PriorityQueue wrapper.
*/
public static GENERIC_KEY_BRACES PRIORITY_QUEUE KEY_GENERIC_TYPE synchronize(PRIORITY_QUEUE KEY_GENERIC_TYPE queue, Object mutex) {
return queue instanceof SynchronizedPriorityQueue ? (SynchronizedPriorityQueue KEY_GENERIC_TYPE)queue : new SynchronizedPriorityQueueBRACES(queue, mutex);
}
/**
* Returns a synchronized PriorityDequeue instance based on the instance given.
* @param dequeue that should be synchronized
* @Type(T)
* @return a synchronized PriorityDequeue wrapper.
*/
public static GENERIC_KEY_BRACES PRIORITY_DEQUEUE KEY_GENERIC_TYPE synchronize(PRIORITY_DEQUEUE KEY_GENERIC_TYPE dequeue) {
return dequeue instanceof SynchronizedPriorityDequeue ? (SynchronizedPriorityDequeue KEY_GENERIC_TYPE)dequeue : new SynchronizedPriorityDequeueBRACES(dequeue);
}
/**
* Returns a synchronized PriorityDequeue instance based on the instance given.
* @param dequeue that should be synchronized
* @param mutex is the controller of the synchronization block.
* @Type(T)
* @return a synchronized PriorityDequeue wrapper.
*/
public static GENERIC_KEY_BRACES PRIORITY_DEQUEUE KEY_GENERIC_TYPE synchronize(PRIORITY_DEQUEUE KEY_GENERIC_TYPE dequeue, Object mutex) {
return dequeue instanceof SynchronizedPriorityDequeue ? (SynchronizedPriorityDequeue KEY_GENERIC_TYPE)dequeue : new SynchronizedPriorityDequeueBRACES(dequeue, mutex);
}
/**
* Wrapper class for synchronization
* @Type(T)
*/
public static class SynchronizedPriorityQueue KEY_GENERIC_TYPE implements PRIORITY_QUEUE KEY_GENERIC_TYPE
{
PRIORITY_QUEUE KEY_GENERIC_TYPE queue;
protected Object mutex;
protected SynchronizedPriorityQueue(PRIORITY_QUEUE KEY_GENERIC_TYPE queue) {
this.queue = queue;
mutex = this;
}
protected SynchronizedPriorityQueue(PRIORITY_QUEUE KEY_GENERIC_TYPE queue, Object mutex) {
this.queue = queue;
this.mutex = mutex;
}
@Override
public ITERATOR KEY_GENERIC_TYPE iterator() { return queue.iterator(); }
@Override
public int size() { synchronized(mutex) { return queue.size(); } }
@Override
public void clear() { synchronized(mutex) { queue.clear(); } }
@Override
public void enqueue(KEY_TYPE e) { synchronized(mutex) { queue.enqueue(e); } }
@Override
public KEY_TYPE dequeue() { synchronized(mutex) { return queue.dequeue(); } }
@Override
public KEY_TYPE peek(int index) { synchronized(mutex) { return queue.peek(index); } }
@Override
public boolean remove(KEY_TYPE e) { synchronized(mutex) { return queue.remove(e); } }
@Override
public boolean removeLast(KEY_TYPE e) { synchronized(mutex) { return queue.removeLast(e); } }
@Override
public void onChanged() { synchronized(mutex) { queue.onChanged(); } }
@Override
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator() { synchronized(mutex) { return queue.comparator(); } }
@Override
public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] input) { synchronized(mutex) { return queue.TO_ARRAY(input); } }
}
/**
* Wrapper class for synchronization
* @Type(T)
*/
public static class SynchronizedPriorityDequeue KEY_GENERIC_TYPE extends SynchronizedPriorityQueue KEY_GENERIC_TYPE implements PRIORITY_DEQUEUE KEY_GENERIC_TYPE
{
PRIORITY_DEQUEUE KEY_GENERIC_TYPE dequeue;
protected SynchronizedPriorityDequeue(PRIORITY_DEQUEUE KEY_GENERIC_TYPE queue) {
super(queue);
dequeue = queue;
}
protected SynchronizedPriorityDequeue(PRIORITY_DEQUEUE KEY_GENERIC_TYPE queue, Object mutex) {
super(queue, mutex);
dequeue = queue;
}
@Override
public void enqueueFirst(KEY_TYPE e) { synchronized(mutex) { dequeue.enqueueFirst(e); } }
@Override
public KEY_TYPE dequeueLast() { synchronized(mutex) { return dequeue.dequeueLast(); } }
}
}