/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2021, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.wildfly.clustering.ejb.infinispan.timer;

import java.time.Duration;
import java.time.Instant;

import org.wildfly.clustering.ejb.timer.IntervalTimerConfiguration;

/**
 * @author Paul Ferraro
 */
public class IntervalTimerCreationMetaDataEntry<V> extends AbstractTimerCreationMetaDataEntry<V> implements IntervalTimerCreationMetaData<V> {

    private final Duration interval;

    public IntervalTimerCreationMetaDataEntry(V context, IntervalTimerConfiguration config) {
        this(context, config.getStart(), config.getInterval());
    }

    public IntervalTimerCreationMetaDataEntry(V context, Instant start, Duration interval) {
        super(context, start);
        this.interval = interval;
    }

    @Override
    public Duration getInterval() {
        return this.interval;
    }

    @Override
    public Instant apply(Instant lastTimeout) {
        return (lastTimeout == null) ? this.getStart() : (this.interval != null) ? lastTimeout.plus(this.interval) : null;
    }
}
