/*
 * Copyright (C) 2017. Uber Technologies
 *
 * 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.uber.rib.workflow.core

import com.uber.rib.core.lifecycle.InteractorEvent
import io.reactivex.Observable

/** Represents an item that [Step] operations can be performed on. */
fun interface ActionableItem {
  /**
   * @return a lifecycle observable that can be observed so a workflow knows when to start a step
   *   for this actionable item.
   */
  fun lifecycle(): Observable<InteractorEvent>
}
