rdf.core.test/src/main/java/org/apache/clerezza/rdf/core/test/LockChecker.java

/*
 *  Copyright 2010 mir.
 * 
 *  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.
 *  under the License.
 */

package org.apache.clerezza.rdf.core.test;

import java.util.concurrent.locks.ReentrantReadWriteLock;

/**
 *
 * @author mir
 */
class LockChecker {

    public static void checkIfReadLocked(ReentrantReadWriteLock lock) {
        if (lock.getReadLockCount() == 0 && !lock.isWriteLockedByCurrentThread()) {
            throw new RuntimeException("Neither read- nor write-locked");
        }
    }

    public static void checkIfWriteLocked(ReentrantReadWriteLock lock) {
        if (!lock.isWriteLockedByCurrentThread()) {
            throw new RuntimeException("Not write-locked");
        }
    }
}