content: /*
   * 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;
  
  /**
   * Forward system service events to iorapd.
   *
   * @see com.android.server.SystemService
   *
   * @hide
   */
  public class SystemServiceEvent implements Parcelable {
  
      /** @see com.android.server.SystemService#onBootPhase */
      public static final int TYPE_BOOT_PHASE = 0;
      /** @see com.android.server.SystemService#onStart */
      public static final int TYPE_START = 1;
      private static final int TYPE_MAX = TYPE_START;
  
      /** @hide */
      @IntDef(flag = true, prefix = { "TYPE_" }, value = {
              TYPE_BOOT_PHASE,
              TYPE_START,
      })
      @Retention(RetentionPolicy.SOURCE)
      public @interface Type {}
  
      @Type public final int type;
  
      // TODO: do we want to pass the exact build phase enum?
  
      public SystemServiceEvent(@Type int type) {
          this.type = type;
          checkConstructorArguments();
      }
  
      private void checkConstructorArguments() {
          CheckHelpers.checkTypeInRange(type, TYPE_MAX);
      }
  
      @Override
      public String toString() {
          return String.format("{type: %d}", type);
      }
  
      @Override
      public boolean equals(Object other) {
          if (this == other) {
              return true;
          } else if (other instanceof SystemServiceEvent) {
              return equals((SystemServiceEvent) other);
          }
          return false;
      }
  
      private boolean equals(SystemServiceEvent other) {
          return type == other.type;
      }
  
      //<editor-fold desc="Binder boilerplate">
      @Override
      public void writeToParcel(Parcel out, int flags) {
          out.writeInt(type);
      }
  
      private SystemServiceEvent(Parcel in) {
          this.type = in.readInt();
          checkConstructorArguments();
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      public static final Parcelable.Creator<SystemServiceEvent> CREATOR
              = new Parcelable.Creator<SystemServiceEvent>() {
          public SystemServiceEvent createFromParcel(Parcel in) {
              return new SystemServiceEvent(in);
          }
  
          public SystemServiceEvent[] newArray(int size) {
              return new SystemServiceEvent[size];
          }
      };
      //</editor-fold>
  }
  