| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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.google.android.startop.iorap; |
| |
| import android.os.Parcelable; |
| import android.os.Parcel; |
| |
| import android.annotation.IntDef; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Result data accompanying a request for {@link com.google.android.startop.iorap.ITaskListener} |
| * callbacks.<br /><br /> |
| * |
| * Following {@link com.google.android.startop.iorap.IIorap} method invocation, |
| * iorapd will issue in-order callbacks for that corresponding {@link RequestId}.<br /><br /> |
| * |
| * State transitions are as follows: <br /><br /> |
| * |
| * <pre> |
| * ┌─────────────────────────────┐ |
| * │ ▼ |
| * ┌───────┐ ┌─────────┐ ╔═══════════╗ |
| * ──▶ │ BEGAN │ ──▶ │ ONGOING │ ──▶ ║ COMPLETED ║ |
| * └───────┘ └─────────┘ ╚═══════════╝ |
| * │ │ |
| * │ │ |
| * ▼ │ |
| * ╔═══════╗ │ |
| * ──▶ ║ ERROR ║ ◀─────┘ |
| * ╚═══════╝ |
| * |
| * </pre> <!-- system/iorap/docs/binder/TaskResult.dot --> |
| * |
| * @hide |
| */ |
| public class TaskResult implements Parcelable { |
| |
| public static final int STATE_BEGAN = 0; |
| public static final int STATE_ONGOING = 1; |
| public static final int STATE_COMPLETED = 2; |
| public static final int STATE_ERROR = 3; |
| private static final int STATE_MAX = STATE_ERROR; |
| |
| /** @hide */ |
| @IntDef(flag = true, prefix = { "STATE_" }, value = { |
| STATE_BEGAN, |
| STATE_ONGOING, |
| STATE_COMPLETED, |
| STATE_ERROR, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface State {} |
| |
| @State public final int state; |
| |
| @Override |
| public String toString() { |
| return String.format("{state: %d}", state); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } else if (other instanceof TaskResult) { |
| return equals((TaskResult) other); |
| } |
| return false; |
| } |
| |
| private boolean equals(TaskResult other) { |
| return state == other.state; |
| } |
| |
| public TaskResult(@State int state) { |
| this.state = state; |
| |
| checkConstructorArguments(); |
| } |
| |
| private void checkConstructorArguments() { |
| CheckHelpers.checkStateInRange(state, STATE_MAX); |
| } |
| |
| //<editor-fold desc="Binder boilerplate"> |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(state); |
| } |
| |
| private TaskResult(Parcel in) { |
| state = in.readInt(); |
| |
| checkConstructorArguments(); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| public static final Parcelable.Creator<TaskResult> CREATOR |
| = new Parcelable.Creator<TaskResult>() { |
| public TaskResult createFromParcel(Parcel in) { |
| return new TaskResult(in); |
| } |
| |
| public TaskResult[] newArray(int size) { |
| return new TaskResult[size]; |
| } |
| }; |
| //</editor-fold> |
| } |