/*
* Copyright 2016 the original author or 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 net.jodah.failsafe.util.concurrent;
import java.util.concurrent.Callable;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import net.jodah.failsafe.internal.util.Assert;
/**
* {@link Scheduler} utilities.
*
* @author Jonathan Halterman
* @see net.jodah.failsafe.util.concurrent.DefaultScheduledFuture
*/
public final class Schedulers {
private Schedulers() {
}
/**
* Returns a Scheduler adapted from the {@code executor}.
*
* @throws NullPointerException if {@code executor} is null
*/
public static Scheduler of(final ScheduledExecutorService executor) {
Assert.notNull(executor, "executor");
return new Scheduler() {
@Override
public ScheduledFuture<?> schedule(Callable<?> callable, long delay, TimeUnit unit) {
return executor.schedule(callable, delay, unit);
}
};
}
}