com.github.kagkarlsson.scheduler.task.TaskInstance 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;

import java.util.function.Supplier;

public final class TaskInstance implements TaskInstanceId {

  private final String taskName;
  private final String id;
  private final Supplier dataSupplier;

  public TaskInstance(String taskName, String id) {
    this(taskName, id, (T) null);
  }

  public TaskInstance(String taskName, String id, T data) {
    this(taskName, id, () -> data);
  }

  public TaskInstance(String taskName, String id, Supplier dataSupplier) {
    this.taskName = taskName;
    this.id = id;
    this.dataSupplier = dataSupplier;
  }

  public String getTaskAndInstance() {
    return taskName + "_" + id;
  }

  public String getTaskName() {
    return taskName;
  }

  @Override
  public String getId() {
    return id;
  }

  public T getData() {
    return dataSupplier.get();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    TaskInstance that = (TaskInstance) o;

    if (!taskName.equals(that.taskName)) return false;
    return id.equals(that.id);
  }

  @Override
  public int hashCode() {
    int result = taskName.hashCode();
    result = 31 * result + id.hashCode();
    return result;
  }

  @Override
  public String toString() {
    return "TaskInstance: " + "task=" + taskName + ", id=" + id;
  }
}