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Bucket4j core library

There is a newer version: 8.0.1

/*-
 * ========================LICENSE_START=================================
 * Bucket4j
 * %%
 * Copyright (C) 2015 - 2020 Vladimir Bukhtoyarov
 * %%
 * 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.
 * =========================LICENSE_END==================================
 */

package io.github.bucket4j.local;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;

/**
 * This is lock implementation which actually lock nothing, is used for {@link SynchronizationStrategy#NONE}
 */
public class FakeLock implements Lock {

    public static final Lock INSTANCE = new FakeLock();

    private FakeLock() {}

    @Override
    public void lock() {
        // do nothing
    }

    @Override
    public void unlock() {
        // do nothing
    }

    @Override
    public void lockInterruptibly() throws InterruptedException {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean tryLock() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean tryLock(long time, TimeUnit unit) throws InterruptedException {
        throw new UnsupportedOperationException();
    }

    @Override
    public Condition newCondition() {
        throw new UnsupportedOperationException();
    }

}