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package tools.refinery.language.web.xtext.servlet;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RestartableCachedThreadPool implements ExecutorService {
private static final Logger LOG = LoggerFactory.getLogger(RestartableCachedThreadPool.class);
private ExecutorService delegate;
public RestartableCachedThreadPool() {
delegate = createExecutorService();
}
public void waitForAllTasksToFinish() {
delegate.shutdown();
waitForTermination();
delegate = createExecutorService();
}
public void waitForTermination() {
try {
delegate.awaitTermination(1, TimeUnit.SECONDS);
} catch (InterruptedException e) {
LOG.warn("Interrupted while waiting for delegate executor to stop", e);
}
}
protected ExecutorService createExecutorService() {
return Executors.newCachedThreadPool();
}
@Override
public boolean awaitTermination(long arg0, TimeUnit arg1) throws InterruptedException {
return delegate.awaitTermination(arg0, arg1);
}
@Override
public void execute(Runnable arg0) {
delegate.execute(arg0);
}
@Override
public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> arg0, long arg1, TimeUnit arg2)
throws InterruptedException {
return delegate.invokeAll(arg0, arg1, arg2);
}
@Override
public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> arg0) throws InterruptedException {
return delegate.invokeAll(arg0);
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> arg0, long arg1, TimeUnit arg2)
throws InterruptedException, ExecutionException, TimeoutException {
return delegate.invokeAny(arg0, arg1, arg2);
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> arg0) throws InterruptedException, ExecutionException {
return delegate.invokeAny(arg0);
}
@Override
public boolean isShutdown() {
return delegate.isShutdown();
}
@Override
public boolean isTerminated() {
return delegate.isTerminated();
}
@Override
public void shutdown() {
delegate.shutdown();
}
@Override
public List<Runnable> shutdownNow() {
return delegate.shutdownNow();
}
@Override
public <T> Future<T> submit(Callable<T> arg0) {
return delegate.submit(arg0);
}
@Override
public <T> Future<T> submit(Runnable arg0, T arg1) {
return delegate.submit(arg0, arg1);
}
@Override
public Future<?> submit(Runnable arg0) {
return delegate.submit(arg0);
}
}
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