package org.oddjob.scheduling;
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.Future;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* A wrapper for {@link ThreadPoolExecutor} that provides an
* {@link #toString()} implementation.
*
* @author rob
*
*/
public class OddjobExecutorService implements ExecutorService {
private final ThreadPoolExecutor delegate;
/**
* Create a new instance.
*
* @param delegate The executor to delegate all calls to.
*/
public OddjobExecutorService(ThreadPoolExecutor delegate) {
this.delegate = delegate;
}
@Override
public void execute(Runnable command) {
delegate.execute(command);
}
@Override
public void shutdown() {
delegate.shutdown();
}
@Override
public List<Runnable> shutdownNow() {
return delegate.shutdownNow();
}
@Override
public boolean isShutdown() {
return delegate.isShutdown();
}
@Override
public boolean isTerminated() {
return delegate.isTerminated();
}
@Override
public boolean awaitTermination(long timeout, TimeUnit unit)
throws InterruptedException {
return delegate.awaitTermination(timeout, unit);
}
@Override
public <T> Future<T> submit(Callable<T> task) {
return delegate.submit(task);
}
@Override
public <T> Future<T> submit(Runnable task, T result) {
return delegate.submit(task, result);
}
@Override
public Future<?> submit(Runnable task) {
return delegate.submit(task);
}
@Override
public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks)
throws InterruptedException {
return delegate.invokeAll(tasks);
}
@Override
public <T> List<Future<T>> invokeAll(
Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
throws InterruptedException {
return delegate.invokeAll(tasks, timeout, unit);
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
throws InterruptedException, ExecutionException {
return delegate.invokeAny(tasks);
}
@Override
public <T> T invokeAny(Collection<? extends Callable<T>> tasks,
long timeout, TimeUnit unit) throws InterruptedException,
ExecutionException, TimeoutException {
return delegate.invokeAny(tasks, timeout, unit);
}
@Override
public String toString() {
return getClass().getSimpleName() + ": active=" +
delegate.getActiveCount();
}
}