public final class RunnableErrorForwarder extends Object
Error
or RuntimeException
from a Runnable
executed in
a worker thread back to the parent thread. The simplified usage pattern looks like this:
RunnableErrorForwarder errorForwarder = new RunnableErrorForwarder(); for ( Runnable task : tasks ) { executor.execute( errorForwarder.wrap( task ) ); } errorForwarder.await();
Constructor and Description |
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RunnableErrorForwarder()
Creates a new error forwarder for worker threads spawned by the current thread.
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Modifier and Type | Method and Description |
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void |
await()
Causes the current thread to wait until all previously
wrapped runnables have terminated
and potentially re-throws an uncaught RuntimeException or Error from any of the runnables. |
Runnable |
wrap(Runnable runnable)
Wraps the specified runnable into an equivalent runnable that will allow forwarding of uncaught errors.
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public RunnableErrorForwarder()
public Runnable wrap(Runnable runnable)
runnable
- The runnable from which to forward errors, must not be null
.null
.public void await()
wrapped
runnables have terminated
and potentially re-throws an uncaught RuntimeException
or Error
from any of the runnables. In
case multiple runnables encountered uncaught errors, one error is arbitrarily selected. Note: This
method must be called from the same thread that created this error forwarder instance.Copyright © 2010–2018 The Apache Software Foundation. All rights reserved.