CronSchedule.java

/**
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * 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.jboss.seam.cron.scheduling.queuj;

import com.workplacesystems.queuj.Schedule;
import java.text.ParseException;
import java.util.GregorianCalendar;
import org.jboss.seam.cron.spi.scheduling.trigger.ScheduledTriggerDetail;
import org.quartz.CronExpression;

/**
 *
 * @author Dave Oxley
 */
public class CronSchedule extends Schedule {

    // Increase the number when an incompatible change is made
    private static final long serialVersionUID = CronSchedule.class.getName().hashCode() + 1;

    private CronExpression cronExpression;

    public CronSchedule(ScheduledTriggerDetail schedTriggerDetails) throws ParseException {
        cronExpression = new CronExpression(schedTriggerDetails.getCronScheduleSpec());
    }

    @Override
    protected GregorianCalendar getNextRunTime(GregorianCalendar schedule_start) {
        GregorianCalendar next_run = (GregorianCalendar)schedule_start.clone();
        next_run.setTime(cronExpression.getNextValidTimeAfter(schedule_start.getTime()));
        return next_run;
    }

    @Override
    protected String getSelfString() {
        return ", cronExpression = " + cronExpression.toString();
    }
}