org.ethereum.util.ALock Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ethereumj-core Show documentation

Java implementation of the Ethereum protocol adapted to use for Hedera Smart Contract Service

The newest version!

/*
 * Copyright (c) [2016] [  ]
 * This file is part of the ethereumJ library.
 *
 * The ethereumJ library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The ethereumJ library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the ethereumJ library. If not, see .
 */
package org.ethereum.util;

import java.util.concurrent.locks.Lock;

/**
 * AutoClosable Lock wrapper. Use case:
 *
 * try (ALock l = wLock.lock()) {
 *     // do smth under lock
 * }
 *
 * Created by Anton Nashatyrev on 27.01.2017.
 */
public final class ALock implements AutoCloseable {
    private final Lock lock;

    public ALock(Lock l) {
        this.lock = l;
    }

    public final ALock lock() {
        this.lock.lock();
        return this;
    }

    public final void close() {
        this.lock.unlock();
    }
}