com.github.kagkarlsson.scheduler.task.helper.RecurringTaskWithPersistentSchedule Maven / Gradle / Ivy

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Simple persistent scheduler for scheduled tasks, recurring or ad-hoc.

There is a newer version: 15.0.0

/**
 * Copyright (C) Gustav Karlsson
 *
 * 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.github.kagkarlsson.scheduler.task.helper;

import com.github.kagkarlsson.scheduler.task.AbstractTask;
import com.github.kagkarlsson.scheduler.task.DeadExecutionHandler;
import com.github.kagkarlsson.scheduler.task.FailureHandler;
import com.github.kagkarlsson.scheduler.task.SchedulableInstance;
import com.github.kagkarlsson.scheduler.task.SchedulableTaskInstance;
import com.github.kagkarlsson.scheduler.task.TaskInstance;

public abstract class RecurringTaskWithPersistentSchedule extends AbstractTask {

    public RecurringTaskWithPersistentSchedule(String name, Class dataClass) {
        this(
            name,
            dataClass,
            new FailureHandler.OnFailureRescheduleUsingTaskDataSchedule<>());
    }

    public RecurringTaskWithPersistentSchedule(String name, Class dataClass, FailureHandler onFailure) {
        super(
            name,
            dataClass,
            onFailure,
            new DeadExecutionHandler.ReviveDeadExecution<>());
    }

    @Override
    public TaskInstance instance(String id) {
        throw new UnsupportedOperationException("Cannot instatiate a RecurringTaskWithPersistentSchedule without 'data' since that holds the schedule.");
    }

    @Override
    public SchedulableInstance schedulableInstance(String id) {
        throw new UnsupportedOperationException("Cannot instatiate a RecurringTaskWithPersistentSchedule without 'data' since that holds the schedule.");
    }

    @Override
    public SchedulableInstance schedulableInstance(String id, T data) {
        return new SchedulableTaskInstance<>(new TaskInstance<>(getName(), id, data), data.getSchedule()::getInitialExecutionTime);
    }

    @Override
    public String toString() {
        return RecurringTaskWithPersistentSchedule.class.getName() + " name=" + getName();
    }
}