Add JetBrains annotations to common base classes

src/main/java/speiger/src/collections/utils/IArray.java

@@ -16,5 +16,5 @@ public interface IArray extends RandomAccess, ITrimmable
 	 *
 	 * @param size the desired minimum capacity
 	 */
-	public void ensureCapacity(int size);
+	void ensureCapacity(int size);
 }

src/main/java/speiger/src/collections/utils/ITrimmable.java

@@ -10,7 +10,7 @@ public interface ITrimmable
 	 * Trims the original collection down to the size of the current elements
 	 * @return if the internal array has been trimmed.
 	 */
-	public default boolean trim() {
+	default boolean trim() {
 		return trim(0);
 	}
 	
@@ -19,12 +19,12 @@ public interface ITrimmable
 	 * @param size the requested trim size.
 	 * @return if the internal array has been trimmed.
 	 */
-	public boolean trim(int size);
+	boolean trim(int size);
 	
 	/**
 	 * Trims the collection down to the original size and clears all present elements with it.
 	 */
-	public default void clearAndTrim() {
+	default void clearAndTrim() {
 		clearAndTrim(0);
 	}
 	
@@ -33,5 +33,5 @@ public interface ITrimmable
 	 * @param size the amount of elements that should be allowed
 	 * @note this will enforce minimum size of the collection itself
 	 */
-	public void clearAndTrim(int size);
+	void clearAndTrim(int size);
 }

src/main/java/speiger/src/collections/utils/SanityChecks.java

@@ -1,5 +1,8 @@
 package speiger.src.collections.utils;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
 import java.util.Random;
 import java.util.concurrent.ForkJoinPool;
 import java.util.concurrent.ForkJoinTask;
@@ -8,15 +11,15 @@ import java.util.concurrent.ForkJoinTask;
  * Helper class that provides functions that are shared within the library.
  * On top of that it provides some helper functions that allow control of some internals of the Library
  */
-public class SanityChecks
+public final class SanityChecks
 {
 	/** Max Possible ArraySize without the JVM Crashing */
 	public static final int MAX_ARRAY_SIZE = Integer.MAX_VALUE - 8;
 	private static ForkJoinPool WORK_POOL = ForkJoinPool.commonPool();
 	private static boolean FORCE_IGNORE_PARALLELISM = false;
-	private static ThreadLocal<Random> RANDOM = ThreadLocal.withInitial(Random::new);
-	private static ThreadLocal<Boolean> FORCE_ASYNC = ThreadLocal.withInitial(() -> false);
-	private static ThreadLocal<Boolean> FORCE_TASK_POOL = ThreadLocal.withInitial(() -> false);
+	private static final ThreadLocal<Random> RANDOM = ThreadLocal.withInitial(Random::new);
+	private static final ThreadLocal<Boolean> FORCE_ASYNC = ThreadLocal.withInitial(() -> false);
+	private static final ThreadLocal<Boolean> FORCE_TASK_POOL = ThreadLocal.withInitial(() -> false);
 	
 	/**
 	 * Internal function to cast a Integer to a Byte
@@ -90,8 +93,8 @@ public class SanityChecks
 	 * @param task the Task to invoke
 	 * @param <T> the type of the task
 	 */
-	public static <T> void invokeTask(ForkJoinTask<T> task) {
-		if(FORCE_ASYNC.get().booleanValue()) invokeAsyncTask(task);
+	public static <T> void invokeTask(@NotNull ForkJoinTask<T> task) {
+		if(FORCE_ASYNC.get()) invokeAsyncTask(task);
 		else getPool().invoke(task);
 	}
 	
@@ -100,7 +103,7 @@ public class SanityChecks
 	 * @param task the Task to invoke
 	 * @param <T> the type of the task
 	 */
-	public static <T> void invokeAsyncTask(ForkJoinTask<T> task) {
+	public static <T> void invokeAsyncTask(@NotNull ForkJoinTask<T> task) {
 		getPool().execute(task);
 	}
 	
@@ -109,12 +112,12 @@ public class SanityChecks
 	 * @note this method is not thread-save. It is only there to provide control over how Library specific Threaded tasks are handled.
 	 * @param pool The ForkJoinPool that should receive the tasks. If null {@link ForkJoinPool#commonPool()} is set instead
 	 */
-	public static void setWorkPool(ForkJoinPool pool) {
+	public static void setWorkPool(@Nullable ForkJoinPool pool) {
 		WORK_POOL = pool == null ? ForkJoinPool.commonPool() : pool;
 	}
 	
-	private static ForkJoinPool getPool() {
-		if(FORCE_TASK_POOL.get().booleanValue()) {
+	private static @NotNull ForkJoinPool getPool() {
+		if(FORCE_TASK_POOL.get()) {
 			ForkJoinPool pool = ForkJoinTask.getPool();
 			if(pool != null) return pool;
 		}
@@ -126,7 +129,7 @@ public class SanityChecks
 	 * @return if the Current Thread has not to await task completion.
 	 */
 	public static boolean isForcedAsync() {
-		return FORCE_ASYNC.get().booleanValue();
+		return FORCE_ASYNC.get();
 	}
 	
 	/**
@@ -134,7 +137,7 @@ public class SanityChecks
 	 * @return if the task checks the current pool to be executed in if it is valid.
 	 */
 	public static boolean isForcedTaskPool() {
-		return FORCE_TASK_POOL.get().booleanValue();
+		return FORCE_TASK_POOL.get();
 	}
 	
 	/**
@@ -142,7 +145,7 @@ public class SanityChecks
 	 * @param value it tasks should not be awaited for
 	 */
 	public static void setForcedAsync(boolean value) {
-		FORCE_ASYNC.set(Boolean.valueOf(value));
+		FORCE_ASYNC.set(value);
 	}
 	
 	/**
@@ -150,7 +153,7 @@ public class SanityChecks
 	 * @param value if the current thread should check if it is a ThreadPoolWorker.
 	 */
 	public static void setForcedTaskPool(boolean value) {
-		FORCE_TASK_POOL.set(Boolean.valueOf(value));
+		FORCE_TASK_POOL.set(value);
 	}
 	
 	/**
@@ -164,7 +167,7 @@ public class SanityChecks
 	/**
 	 * @return Thread Specific Random needed for internal functions in this library.
 	 */
-	public static Random getRandom() {
+	public static @NotNull Random getRandom() {
 		return RANDOM.get();
 	}
 }

src/main/java/speiger/src/collections/utils/Stack.java

@@ -1,6 +1,8 @@
 package speiger.src.collections.utils;
 
 
+import org.jetbrains.annotations.NotNull;
+
 /**
  * The Stack Interface represents the Last-In-First-Out layout (LIFO).
  * It provides a simple {@link #push(Object)}, {@link #pop()} function,
@@ -14,40 +16,40 @@ public interface Stack<T>
 	 * Inserts a given Object on top of the stack
 	 * @param e the Object to insert
 	 */
-	public void push(T e);
+	void push(@NotNull T e);
 	
 	/**
 	 * Removes the Object on top of the stack.
 	 * @return the element that is on top of the stack
 	 * @throws ArrayIndexOutOfBoundsException if the stack is empty
 	 */
-	public T pop();
+	@NotNull T pop();
 	
 	/**
 	 * Provides the amount of elements currently in the stack
 	 * @return amount of elements in the list
 	 */
-	public int size();
+	int size();
 	
 	
 	/**
 	 * @return if the stack is empty
 	 */
-	public default boolean isEmpty() {
+	default boolean isEmpty() {
 		return size() == 0;
 	}
 	
 	/**
 	 * Clears the stack
 	 */
-	public void clear();
+	void clear();
 	
 	/**
 	 * Provides the Object on top of the stack
 	 * @return the element that is on top of the stack
 	 * @throws ArrayIndexOutOfBoundsException if the stack is empty
 	 */
-	public default T top() {
+	default @NotNull T top() {
 		return peek(0);
 	}
 	
@@ -58,5 +60,5 @@ public interface Stack<T>
 	 * @return the element that was requested
  	 * @throws ArrayIndexOutOfBoundsException if the index is out of bounds
 	 */
-	public T peek(int index);
+	@NotNull T peek(int index);
 }