io.micronaut.scheduling.instrument.InstrumentedExecutorService Maven / Gradle / Ivy
/*
* Copyright 2017-2018 original authors
*
* 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.micronaut.scheduling.instrument;
import javax.annotation.Nonnull;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.*;
import java.util.stream.Collectors;
/**
* An {@link ExecutorService} that has been instrumented to allow for propagation of thread state
* and other instrumentation related tasks.
*
* @author Graeme Rocher
* @since 1.0
*/
public interface InstrumentedExecutorService extends ExecutorService, InstrumentedExecutor {
/**
* Implementors can override to specify the target {@link ExecutorService}.
*
* @return The target {@link ExecutorService}
*/
@Override
ExecutorService getTarget();
/**
* Instruments the given callable task.
*
* @param task the task to instrument
* @param The generic return type
* @return The callable
*/
default Callable instrument(Callable task) {
return task;
}
@Override
default void shutdown() {
getTarget().shutdown();
}
@Override
default List shutdownNow() {
return getTarget().shutdownNow();
}
@Override
default boolean isShutdown() {
return getTarget().isShutdown();
}
@Override
default boolean isTerminated() {
return getTarget().isTerminated();
}
@Override
default boolean awaitTermination(long timeout, @Nonnull TimeUnit unit) throws InterruptedException {
return getTarget().awaitTermination(timeout, unit);
}
@Override
default @Nonnull Future submit(@Nonnull Callable task) {
return getTarget().submit(instrument(task));
}
@Override
default @Nonnull Future submit(@Nonnull Runnable task, T result) {
return getTarget().submit(instrument(task), result);
}
@Override
default @Nonnull Future submit(@Nonnull Runnable task) {
return getTarget().submit(instrument(task));
}
@Override
default @Nonnull List> invokeAll(@Nonnull Collection> tasks) throws InterruptedException {
return getTarget().invokeAll(
tasks.stream().map(this::instrument).collect(Collectors.toList())
);
}
@Override
default @Nonnull List> invokeAll(@Nonnull Collection> tasks, long timeout, @Nonnull TimeUnit unit) throws InterruptedException {
return getTarget().invokeAll(
tasks.stream().map(this::instrument).collect(Collectors.toList()), timeout, unit
);
}
@Override
default @Nonnull T invokeAny(@Nonnull Collection> tasks) throws InterruptedException, ExecutionException {
return getTarget().invokeAny(
tasks.stream().map(this::instrument).collect(Collectors.toList())
);
}
@Override
default @Nonnull T invokeAny(@Nonnull Collection> tasks, long timeout, @Nonnull TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
return getTarget().invokeAny(
tasks.stream().map(this::instrument).collect(Collectors.toList()), timeout, unit
);
}
}