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/*
* Copyright 2019-present HiveMQ GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hivemq.extensions.services.executor;
import com.hivemq.extension.sdk.api.annotations.NotNull;
import com.hivemq.extension.sdk.api.services.CompletableScheduledFuture;
import com.hivemq.extensions.HiveMQExtensions;
/**
* @author Florian Limpöck
* @since 4.0.0
*/
public class WrappedScheduledRunnable implements Runnable {
@NotNull
private final Runnable runnable;
@NotNull
private final ClassLoader classLoader;
@NotNull
private final CompletableScheduledFuture> future;
@NotNull
private final HiveMQExtensions hiveMQExtensions;
WrappedScheduledRunnable(
@NotNull final Runnable runnable,
@NotNull final ClassLoader classLoader,
@NotNull final CompletableScheduledFuture> future,
@NotNull final HiveMQExtensions hiveMQExtensions) {
this.runnable = runnable;
this.classLoader = classLoader;
this.future = future;
this.hiveMQExtensions = hiveMQExtensions;
}
@Override
public void run() {
if (hiveMQExtensions.getExtensionForClassloader(classLoader) == null) {
if (!future.isCancelled()) {
future.cancel(true);
}
}
final ClassLoader previousClassLoader = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(classLoader);
runnable.run();
//scheduled futures don't complete normally so completable wont do either.
} catch (final Throwable t) {
future.completeExceptionally(t);
throw t;
} finally {
Thread.currentThread().setContextClassLoader(previousClassLoader);
}
}
}
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