SammyVimes commented on a change in pull request #8820:
URL: https://github.com/apache/ignite/pull/8820#discussion_r580404668
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
##########
@@ -12051,4 +12055,25 @@ public static long uncompressedSize(File zip) throws
IOException {
return size;
}
}
+
+ /**
+ * Acquires the given semaphore, executes the given callable and schedules
the release of permits asynchronously
Review comment:
Missing parameters in javadocs
##########
File path:
modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
##########
@@ -1455,6 +1470,51 @@ public void testUncompressedSize() throws Exception {
}
}
+ /**
+ * Test to verify the {@link U#acquireAndExecute(IgniteSemaphore,
IgniteCallable, int)}.
+ *
+ * @throws Exception If failed.
+ */
+ @Test
+ public void testAcquireAndExecute() throws Exception {
+ IgniteSemaphore semaphore =
ignite(0).semaphore("testAcquireAndExecute", 1, true, true);
+ ExecutorService executorService = Executors.newSingleThreadExecutor();
+
+ IgniteCallable<IgniteFuture<Integer>> callable = new
IgniteCallable<IgniteFuture<Integer>>() {
+ @Override public IgniteFuture<Integer> call() {
Review comment:
inheritDoc missing here
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
##########
@@ -12051,4 +12055,25 @@ public static long uncompressedSize(File zip) throws
IOException {
return size;
}
}
+
+ /**
+ * Acquires the given semaphore, executes the given callable and schedules
the release of permits asynchronously
+ */
+ public static <T> IgniteFuture<T> acquireAndExecute(IgniteSemaphore
semaphore,
+ IgniteCallable<IgniteFuture<T>>
callable, int numPermits) throws Exception {
+
+ semaphore.acquire(numPermits);
+
+ IgniteFuture<T> future = callable.call();
+
+ future.listen(new IgniteInClosure<IgniteFuture<T>>() {
+ @Override public void apply(IgniteFuture<T> IgniteFuture) {
Review comment:
Please add /** {@inheritDoc} */
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
##########
@@ -12051,4 +12055,25 @@ public static long uncompressedSize(File zip) throws
IOException {
return size;
}
}
+
+ /**
+ * Acquires the given semaphore, executes the given callable and schedules
the release of permits asynchronously
+ */
+ public static <T> IgniteFuture<T> acquireAndExecute(IgniteSemaphore
semaphore,
+ IgniteCallable<IgniteFuture<T>>
callable, int numPermits) throws Exception {
+
+ semaphore.acquire(numPermits);
+
+ IgniteFuture<T> future = callable.call();
+
+ future.listen(new IgniteInClosure<IgniteFuture<T>>() {
+ @Override public void apply(IgniteFuture<T> IgniteFuture) {
Review comment:
Also, parameter name IgniteFuture doesn't follow Apache Ignite
codestyle, should be "igniteFuture"
##########
File path:
modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
##########
@@ -12051,4 +12055,25 @@ public static long uncompressedSize(File zip) throws
IOException {
return size;
}
}
+
+ /**
+ * Acquires the given semaphore, executes the given callable and schedules
the release of permits asynchronously
+ */
+ public static <T> IgniteFuture<T> acquireAndExecute(IgniteSemaphore
semaphore,
+ IgniteCallable<IgniteFuture<T>>
callable, int numPermits) throws Exception {
+
+ semaphore.acquire(numPermits);
+
+ IgniteFuture<T> future = callable.call();
+
+ future.listen(new IgniteInClosure<IgniteFuture<T>>() {
+ @Override public void apply(IgniteFuture<T> IgniteFuture) {
+ if (IgniteFuture.isCancelled() || IgniteFuture.isDone()) {
Review comment:
Not sure if these checks needed here: future's listen callback only
executed when future is completed
##########
File path:
modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
##########
@@ -1455,6 +1470,51 @@ public void testUncompressedSize() throws Exception {
}
}
+ /**
+ * Test to verify the {@link U#acquireAndExecute(IgniteSemaphore,
IgniteCallable, int)}.
+ *
+ * @throws Exception If failed.
+ */
+ @Test
+ public void testAcquireAndExecute() throws Exception {
+ IgniteSemaphore semaphore =
ignite(0).semaphore("testAcquireAndExecute", 1, true, true);
+ ExecutorService executorService = Executors.newSingleThreadExecutor();
+
+ IgniteCallable<IgniteFuture<Integer>> callable = new
IgniteCallable<IgniteFuture<Integer>>() {
+ @Override public IgniteFuture<Integer> call() {
+ IgniteFutureImpl<Integer> igniteFuture = new
IgniteFutureImpl<>(new GridFutureAdapter<>());
+
+ assert (semaphore.availablePermits() == 0);
+
+ Runnable runnable = new Runnable() {
+ @Override public void run() {
Review comment:
igniteDoc missing here
##########
File path:
modules/core/src/test/java/org/apache/ignite/internal/util/IgniteUtilsSelfTest.java
##########
@@ -1455,6 +1470,51 @@ public void testUncompressedSize() throws Exception {
}
}
+ /**
+ * Test to verify the {@link U#acquireAndExecute(IgniteSemaphore,
IgniteCallable, int)}.
+ *
+ * @throws Exception If failed.
+ */
+ @Test
+ public void testAcquireAndExecute() throws Exception {
Review comment:
You can also add a negative scenario, e.g. what will happen if there is
an error during callable's execution
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