diff options
author | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
---|---|---|
committer | Jon Bratseth <bratseth@yahoo-inc.com> | 2016-06-15 23:09:44 +0200 |
commit | 72231250ed81e10d66bfe70701e64fa5fe50f712 (patch) | |
tree | 2728bba1131a6f6e5bdf95afec7d7ff9358dac50 /jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java |
Publish
Diffstat (limited to 'jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java')
-rw-r--r-- | jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java b/jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java new file mode 100644 index 00000000000..032384cb9ba --- /dev/null +++ b/jdisc_core/src/main/java/com/yahoo/jdisc/client/AbstractClientApplication.java @@ -0,0 +1,55 @@ +// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.jdisc.client; + +import com.google.inject.Inject; +import com.yahoo.jdisc.application.AbstractApplication; +import com.yahoo.jdisc.application.BundleInstaller; +import com.yahoo.jdisc.application.ContainerActivator; +import com.yahoo.jdisc.service.CurrentContainer; + +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +/** + * <p>This is a convenient parent class for {@link ClientApplication} developers. It extends {@link AbstractApplication} + * and implements {@link Runnable} to wait for {@link #shutdown()} to be called. When using this class, you implement + * {@link #start()} (and optionally {@link #stop()}), and provide a reference to it to whatever component is responsible + * for signaling shutdown.</p> + * + * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a> + */ +public abstract class AbstractClientApplication extends AbstractApplication implements ClientApplication { + + private final CountDownLatch done = new CountDownLatch(1); + + @Inject + public AbstractClientApplication(BundleInstaller bundleInstaller, ContainerActivator activator, + CurrentContainer container) { + super(bundleInstaller, activator, container); + } + + @Override + public final void run() { + try { + done.await(); + } catch (InterruptedException e) { + Thread.currentThread().interrupt(); + } + } + + public final void shutdown() { + done.countDown(); + } + + public final boolean isShutdown() { + return done.getCount() == 0; + } + + public final boolean awaitShutdown(int timeout, TimeUnit unit) throws InterruptedException { + return done.await(timeout, unit); + } + + public final void awaitShutdown() throws InterruptedException { + done.await(); + } +} |