diff options
Diffstat (limited to 'infra')
4 files changed, 41 insertions, 7 deletions
diff --git a/infra/cfg-init/src/main/java/io/fd/honeycomb/data/init/ShutdownHandler.java b/infra/cfg-init/src/main/java/io/fd/honeycomb/data/init/ShutdownHandler.java index fc350da6e..6a0096e1e 100644 --- a/infra/cfg-init/src/main/java/io/fd/honeycomb/data/init/ShutdownHandler.java +++ b/infra/cfg-init/src/main/java/io/fd/honeycomb/data/init/ShutdownHandler.java @@ -19,15 +19,20 @@ package io.fd.honeycomb.data.init; import javax.annotation.Nonnull; /** - * Handles closing of closeable components + * Handles closing of closeable components. */ public interface ShutdownHandler { /** - * Register component to be properly closed on shutdown + * Registers component to be properly closed on shutdown. * * @param name component name * @param component closeable component */ void register(@Nonnull final String name, @Nonnull final AutoCloseable component); + + /** + * Performs shutdown for all registered components. + */ + void performShutdown(); } diff --git a/infra/impl/src/main/java/io/fd/honeycomb/impl/ShutdownHandlerImpl.java b/infra/impl/src/main/java/io/fd/honeycomb/impl/ShutdownHandlerImpl.java index 71145817f..f622a603b 100644 --- a/infra/impl/src/main/java/io/fd/honeycomb/impl/ShutdownHandlerImpl.java +++ b/infra/impl/src/main/java/io/fd/honeycomb/impl/ShutdownHandlerImpl.java @@ -16,7 +16,6 @@ package io.fd.honeycomb.impl; -import com.google.common.annotations.VisibleForTesting; import io.fd.honeycomb.data.init.ShutdownHandler; import java.util.Deque; import java.util.LinkedList; @@ -32,7 +31,6 @@ public final class ShutdownHandlerImpl implements ShutdownHandler { public ShutdownHandlerImpl() { components = new LinkedList<>(); - Runtime.getRuntime().addShutdownHook(new Thread((this::performShutdown))); } @Override @@ -60,8 +58,8 @@ public final class ShutdownHandlerImpl implements ShutdownHandler { } } - @VisibleForTesting - void performShutdown() { + @Override + public void performShutdown() { // close components in reverse order that they were registered components.descendingIterator().forEachRemaining(closeable -> { LOG.info("Closing component {}", closeable.getName()); diff --git a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ConfigAndOperationalPipelineModule.java b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ConfigAndOperationalPipelineModule.java index 080caaf81..d0cbdc1db 100644 --- a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ConfigAndOperationalPipelineModule.java +++ b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ConfigAndOperationalPipelineModule.java @@ -47,7 +47,7 @@ public class ConfigAndOperationalPipelineModule extends PrivateModule { @Override protected void configure() { - bind(ShutdownHandler.class).to(ShutdownHandlerImpl.class).in(Singleton.class); + bind(ShutdownHandler.class).toProvider(ShutdownHandlerProvider.class).in(Singleton.class); expose(ShutdownHandler.class); // Mount point service is required by notification service and restconf diff --git a/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ShutdownHandlerProvider.java b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ShutdownHandlerProvider.java new file mode 100644 index 000000000..0c649b0da --- /dev/null +++ b/infra/minimal-distribution-core/src/main/java/io/fd/honeycomb/infra/distro/data/ShutdownHandlerProvider.java @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2018 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.infra.distro.data; + +import io.fd.honeycomb.binding.init.ProviderTrait; +import io.fd.honeycomb.data.init.ShutdownHandler; +import io.fd.honeycomb.impl.ShutdownHandlerImpl; + +public class ShutdownHandlerProvider extends ProviderTrait<ShutdownHandler> { + @Override + protected ShutdownHandler create() { + final ShutdownHandler handler = new ShutdownHandlerImpl(); + // Make sure ShutdownHandler is run on JVM shutdown + Runtime.getRuntime().addShutdownHook(new Thread((handler::performShutdown))); + return handler; + } +} |