/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.jbpm.runtime.manager.spi;

import java.util.concurrent.TimeUnit;

public interface RuntimeManagerLock {

    void lock();

    boolean tryLock(long units, TimeUnit milliseconds) throws InterruptedException;

    void lockInterruptible() throws InterruptedException;

    void unlock();

    boolean hasQueuedThreads();

    boolean isHeldByCurrentThread();

    int getQueueLength();

    default void forceUnlock() {
        throw new UnsupportedOperationException("this lock does not support forcefully unlock");
    }

}
