rapture.index.IndexCreationLock Maven / Gradle / Ivy

Go to download
/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package rapture.index;

import rapture.common.LockHandle;
import rapture.kernel.ContextFactory;
import rapture.kernel.Kernel;
import rapture.kernel.LockApiImpl;

/**
 * @author bardhi
 * @since 4/22/15.
 */
public enum IndexCreationLock {
    INSTANCE;

    private static final String LOCK_NAME = "index/ensureCreated";
    private static final String PROVIDER_URI = LockApiImpl.KERNEL_MANAGER_URI.toString();

    public LockHandle grabLock() {
        long secondsToWait = 5;
        long secondsToKeep = 3600 * 24;
        return Kernel.getLock().acquireLock(ContextFactory.getKernelUser(), PROVIDER_URI, LOCK_NAME, secondsToWait, secondsToKeep);
    }

    public void releaseLock(LockHandle lockHandle) {
        Kernel.getLock().releaseLock(ContextFactory.getKernelUser(), PROVIDER_URI, LOCK_NAME, lockHandle);

    }
}