org.springframework.scheduling.TriggerContext Maven / Gradle / Ivy
/*
* Copyright 2002-2020 the original author or authors.
*
* 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
*
* https://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.springframework.scheduling;
import java.time.Clock;
import java.util.Date;
import org.springframework.lang.Nullable;
/**
* Context object encapsulating last execution times and last completion time
* of a given task.
*
* @author Juergen Hoeller
* @since 3.0
*/
public interface TriggerContext {
/**
* Return the clock to use for trigger calculation.
* @since 5.3
* @see TaskScheduler#getClock()
* @see Clock#systemDefaultZone()
*/
default Clock getClock() {
return Clock.systemDefaultZone();
}
/**
* Return the last scheduled execution time of the task,
* or {@code null} if not scheduled before.
*/
@Nullable
Date lastScheduledExecutionTime();
/**
* Return the last actual execution time of the task,
* or {@code null} if not scheduled before.
*/
@Nullable
Date lastActualExecutionTime();
/**
* Return the last completion time of the task,
* or {@code null} if not scheduled before.
*/
@Nullable
Date lastCompletionTime();
}