/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.keycloak.connections.jpa.updater.liquibase.lock;

import liquibase.exception.DatabaseException;
import liquibase.exception.LockException;
import liquibase.lockservice.StandardLockService;

/**
 * Dummy lock service injected to Liquibase. Doesn't need to do anything as we already have a lock when Liquibase update is called.
 *
 * @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
 */
public class DummyLockService extends StandardLockService {

    @Override
    public int getPriority() {
        return Integer.MAX_VALUE;
    }

    @Override
    public void init() throws DatabaseException {
    }

    @Override
    public void waitForLock() throws LockException {
    }

    @Override
    public void releaseLock() throws LockException {
    }

}
