org.rapidoid.util.Once Maven / Gradle / Ivy
package org.rapidoid.util;
import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import java.util.concurrent.atomic.AtomicBoolean;
/*
* #%L
* rapidoid-commons
* %%
* Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
@Authors("Nikolche Mihajlovski")
@Since("5.1.0")
public class Once extends RapidoidThing {
private final AtomicBoolean done = new AtomicBoolean();
public boolean go() {
return !done.getAndSet(true);
}
public boolean isDone() {
return done.get();
}
public void reset() {
done.set(false);
}
}