com.flowcentraltech.flowcentral.system.entities.ScheduledTaskPolicy Maven / Gradle / Ivy

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Flowcentral System Module

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/*
 * Copyright 2021-2024 FlowCentral Technologies Limited.
 * 
 * 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 com.flowcentraltech.flowcentral.system.entities;

import java.util.Date;

import com.flowcentraltech.flowcentral.common.entities.BaseStatusEntityPolicy;
import com.tcdng.unify.core.UnifyException;
import com.tcdng.unify.core.annotation.Component;
import com.tcdng.unify.core.database.Entity;
import com.tcdng.unify.core.util.CalendarUtils;
import com.tcdng.unify.core.util.DataUtils;

/**
 * Scheduled task entity policy
 * 
 * @author FlowCentral Technologies Limited
 * @since 1.0
 */
@Component("scheduledtask-entitypolicy")
public class ScheduledTaskPolicy extends BaseStatusEntityPolicy {

    @Override
    public Object preCreate(Entity record, Date now) throws UnifyException {
        ScheduledTask scheduledTask = (ScheduledTask) record;
        scheduledTask.setNextExecutionOn(getNextExecutionOn(scheduledTask, now));
        return super.preCreate(record, now);
    }

    @Override
    public void preUpdate(Entity record, Date now) throws UnifyException {
        ScheduledTask scheduledTask = (ScheduledTask) record;
        scheduledTask.setNextExecutionOn(getNextExecutionOn(scheduledTask, now));
        super.preUpdate(record, now);
    }

    private Date getNextExecutionOn(ScheduledTask scheduledTask, Date now) throws UnifyException {
        Date nextExecutionOn = CalendarUtils.getMidnightDate(now);
        String[] weekdays = DataUtils.convert(String[].class, scheduledTask.getWeekdays());
        String[] days = DataUtils.convert(String[].class, scheduledTask.getDays());
        String[] months = DataUtils.convert(String[].class, scheduledTask.getMonths());
        if (!CalendarUtils.isWithinCalendar(weekdays, days, months, nextExecutionOn)) {
            nextExecutionOn = CalendarUtils.getNextEligibleDate(weekdays, days, months, nextExecutionOn);
        }

        return CalendarUtils.getDateWithOffset(nextExecutionOn,
                CalendarUtils.getTimeOfDayOffset(scheduledTask.getStartTime()));
    }
}