/*
 * Copyright (c) 2009, Julian Gosnell
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.dada.core;

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

import org.dada.slf4j.Logger;
import org.dada.slf4j.LoggerFactory;

import EDU.oswego.cs.dl.util.concurrent.Sync;

public class SyncLock implements Lock {

	private final Logger logger = LoggerFactory.getLogger(getClass());
	private final Sync sync;
	private volatile int count;

	public SyncLock(Sync sync) {
		this.sync = sync;
	}

	@Override
	public void lock() {
		try {
			sync.acquire();
			logger.debug("{}: LOCKED -> {}", Thread.currentThread().getName(), ++count);
		} catch (InterruptedException e) {
			throw new RuntimeException(e);
		}
	}

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

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

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

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

	@Override
	public void unlock() {
		sync.release();
		logger.debug("{}: UNLOCKED -> {}", Thread.currentThread().getName(), --count);
	}

}

/*
 * Copyright (c) 2009, Julian Gosnell
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.dada.core;

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

import org.dada.slf4j.Logger;
import org.dada.slf4j.LoggerFactory;

import EDU.oswego.cs.dl.util.concurrent.Sync;

public class SyncLock implements Lock {

	private final Logger logger = LoggerFactory.getLogger(getClass());
	private final Sync sync;
	private volatile int count;

	public SyncLock(Sync sync) {
		this.sync = sync;
	}

	@Override
	public void lock() {
		try {
			sync.acquire();
			logger.trace("{}: LOCKED -> {}", Thread.currentThread().getName(), ++count);
		} catch (InterruptedException e) {
			throw new RuntimeException(e);
		}
	}

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

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

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

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

	@Override
	public void unlock() {
		sync.release();
		logger.trace("{}: UNLOCKED -> {}", Thread.currentThread().getName(), --count);
	}

}

downgrade logging