com.github.kagkarlsson.scheduler.task.schedule.Schedule 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.schedule;

import com.github.kagkarlsson.scheduler.task.ExecutionComplete;
import java.time.Instant;

public interface Schedule {

  Instant getNextExecutionTime(ExecutionComplete executionComplete);

  /** Used to get the first execution-time for a schedule. Simulates an ExecutionComplete event. */
  default Instant getInitialExecutionTime(Instant now) {
    return getNextExecutionTime(ExecutionComplete.simulatedSuccess(now));
  }

  boolean isDeterministic();

  default boolean isDisabled() {
    return false;
  }
}