com.github.richardballard.arbeeutils.concurrent.WrappedStampedLockFactory Maven / Gradle / Ivy

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A collection of utilities that I find useful across various projects

There is a newer version: 2.0

/*
 * (C) Copyright 2016 Richard Ballard.
 *
 * 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 com.github.richardballard.arbeeutils.concurrent;

import net.jcip.annotations.ThreadSafe;
import com.github.richardballard.arbeeutils.time.TimeTick;
import org.jetbrains.annotations.NotNull;

import java.util.concurrent.locks.StampedLock;
import java.util.function.Supplier;

@ThreadSafe
public class WrappedStampedLockFactory {
    @NotNull
    private final Supplier currentTimeTickSupplier;

    public WrappedStampedLockFactory(@NotNull final Supplier currentTimeTickSupplier) {
        assert currentTimeTickSupplier != null;

        this.currentTimeTickSupplier = currentTimeTickSupplier;
    }

    @NotNull
    public WrappedStampedLock get(final @NotNull StampedLock delegate) {
        assert delegate != null;

        return new WrappedStampedLock(delegate,
                                      WrappedReadWriteLock::new,
                                      WrappedLock::new,
                                      currentTimeTickSupplier);
    }

    @NotNull
    public WrappedStampedLock get() {
        return get(new StampedLock());
    }

}