org.graylog.plugins.views.migrations.V20191125144500_MigrateDashboardsToViewsSupport.RandomUUIDProvider Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog.plugins.views.migrations.V20191125144500_MigrateDashboardsToViewsSupport;
import com.eaio.uuid.UUIDGen;
import javax.inject.Inject;
import java.util.Date;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicLong;
public class RandomUUIDProvider {
private final AtomicLong date;
private final long clockSeqAndNode;
@Inject
public RandomUUIDProvider(Date date) {
this(date, UUIDGen.getClockSeqAndNode());
}
public RandomUUIDProvider(Date date, long clockSeqAndNode) {
this.date = new AtomicLong(date.getTime());
this.clockSeqAndNode = clockSeqAndNode;
}
public String get() {
return new UUID(date.getAndIncrement(), this.clockSeqAndNode).toString();
}
}