com.github.kagkarlsson.scheduler.task.SchedulableInstance Maven / Gradle / Ivy
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/*
* 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;
import java.time.Instant;
import java.util.function.Supplier;
public interface SchedulableInstance extends TaskInstanceId {
static SchedulableInstance of(TaskInstance taskInstance, Instant executionTime) {
return new SchedulableTaskInstance(taskInstance, executionTime);
}
static SchedulableInstance of(
TaskInstance taskInstance, NextExecutionTime executionTime) {
return new SchedulableTaskInstance(taskInstance, executionTime);
}
TaskInstance getTaskInstance();
Instant getNextExecutionTime(Instant currentTime);
default String getTaskName() {
return getTaskInstance().getTaskName();
}
default String getId() {
return getTaskInstance().getId();
}
class Builder {
private final String taskName;
private final String id;
private Supplier dataSupplier = () -> (T) null;
private int priority = Priority.MEDIUM;
public Builder(String taskName, String id) {
this.id = id;
this.taskName = taskName;
}
public SchedulableInstance.Builder data(Supplier dataSupplier) {
this.dataSupplier = dataSupplier;
return this;
}
public SchedulableInstance.Builder data(T data) {
this.dataSupplier = () -> (T) data;
return this;
}
public SchedulableInstance.Builder priority(int priority) {
this.priority = priority;
return this;
}
public SchedulableInstance scheduledTo(Instant executionTime) {
TaskInstance taskInstance = new TaskInstance<>(taskName, id, dataSupplier, priority);
return new SchedulableTaskInstance<>(taskInstance, executionTime);
}
}
}