Bounded executor service

src/main/java/it/ernytech/tdlib/Client.java

@@ -83,9 +83,13 @@ public class Client {
             throw new IllegalThreadStateException("Thread: " + Thread.currentThread().getName() + " trying receive incoming updates but shouldn't be called simultaneously from two different threads!");
         }
 
-        this.receiveLock.lock();
-        var resultSize = nativeClientReceive(this.clientId, eventIds, events, timeout);
-        this.receiveLock.unlock();
+        int resultSize;
+            this.receiveLock.lock();
+        try {
+            resultSize = nativeClientReceive(this.clientId, eventIds, events, timeout);
+        } finally {
+            this.receiveLock.unlock();
+        }
 
         for (int i = 0; i < resultSize; i++) {
             responseList.add(new Response(eventIds[i], events[i]));

src/main/java/it/ernytech/tdlib/utils/BoundedExecutorService.java

@@ -0,0 +1,24 @@
+package it.ernytech.tdlib.utils;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.function.BiConsumer;
+import org.jetbrains.annotations.Nullable;
+
+public interface BoundedExecutorService extends ExecutorService {
+
+	static BoundedExecutorService create(int maxQueueSize,
+			int corePoolSize,
+			int maxPoolSize,
+			long keepAliveTime,
+			TimeUnit unit,
+			@Nullable BiConsumer<Boolean, Integer> queueSizeStatus) {
+		return new BoundedExecutorServiceImpl(maxQueueSize, corePoolSize, maxPoolSize, keepAliveTime, unit, queueSizeStatus);
+	}
+
+	<T> Future<T> submitButBlockIfFull(Callable<T> task) throws InterruptedException;
+
+	void executeButBlockIfFull(Runnable task) throws InterruptedException;
+}

src/main/java/it/ernytech/tdlib/utils/BoundedExecutorServiceImpl.java

@@ -1,12 +1,11 @@
 package it.ernytech.tdlib.utils;
 
-import java.util.concurrent.locks.ReentrantLock;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.concurrent.*;
 import java.util.function.BiConsumer;
 
-public class BoundedExecutor extends ThreadPoolExecutor {
+class BoundedExecutorServiceImpl extends ThreadPoolExecutor implements BoundedExecutorService {
 
 	private final Semaphore semaphore;
 	private final @Nullable BiConsumer<Boolean, Integer> queueSizeStatus;
@@ -22,7 +21,7 @@ public class BoundedExecutor extends ThreadPoolExecutor {
 	 * @param unit
 	 * @param queueSizeStatus Status. The boolean indicates if the queue is full, the integer indicates the current queue size
 	 */
-	public BoundedExecutor(int maxQueueSize,
+	public BoundedExecutorServiceImpl(int maxQueueSize,
 	                       int corePoolSize,
 	                       int maxPoolSize,
 	                       long keepAliveTime,
@@ -41,6 +40,7 @@ public class BoundedExecutor extends ThreadPoolExecutor {
 	 * Submits task to execution pool, but blocks while number of running threads
 	 * has reached the bound limit
 	 */
+	@Override
 	public <T> Future<T> submitButBlockIfFull(final Callable<T> task) throws InterruptedException {
 		blockIfFull();
 		return submit(task);
@@ -50,6 +50,7 @@ public class BoundedExecutor extends ThreadPoolExecutor {
 	 * Submits task to execution pool, but blocks while number of running threads
 	 * has reached the bound limit
 	 */
+	@Override
 	public void executeButBlockIfFull(final Runnable task) throws InterruptedException {
 		blockIfFull();
 		execute(task);
@@ -69,7 +70,7 @@ public class BoundedExecutor extends ThreadPoolExecutor {
 	}
 
 	@Override
-	protected void beforeExecute(Thread t, Runnable r) {
+	public void beforeExecute(Thread t, Runnable r) {
 		semaphore.release();
 
 		super.beforeExecute(t, r);