nl.topicus.jdbc.shaded.com.google.api.gax.rpc.CancellationHelpers Maven / Gradle / Ivy
/*
* Copyright 2016, Google LLC All rights reserved.
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* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
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* in the documentation and/or other materials provided with the
* distribution.
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* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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package nl.topicus.jdbc.shaded.com.google.api.gax.rpc;
import nl.topicus.jdbc.shaded.com.google.api.core.ApiFuture;
import java.util.concurrent.CountDownLatch;
/**
* CancellationHelpers provides helpers for cancellation tests which perform cancellation in a
* deterministic way.
*/
public class CancellationHelpers {
public static void cancelInThreadAfterLatchCountDown(
final ApiFuture resultFuture, final CountDownLatch latch) {
Thread t =
new Thread(
new Runnable() {
@Override
public void run() {
try {
latch.await();
while (!resultFuture.cancel(true) && !resultFuture.isDone()) {
Thread.sleep(1L);
}
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
});
t.start();
}
}