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.annotation.NonNull;
  import android.os.Parcelable;
  import android.os.Parcel;
  import android.net.Uri;
  
  import android.annotation.IntDef;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.util.Objects;
  
  /**
   * Forward package manager events to iorapd. <br /><br />
   *
   * Knowing when packages are modified by the system are a useful tidbit to help with performance:
   * for example when a package is replaced, it could be a hint used to invalidate any collected
   * io profiles used for prefetching or pinning.
   *
   * @hide
   */
  public class PackageEvent implements Parcelable {
  
      /** @see android.content.Intent#ACTION_PACKAGE_REPLACED */
      public static final int TYPE_REPLACED = 0;
      private static final int TYPE_MAX = 0;
  
      /** @hide */
      @IntDef(flag = true, prefix = { "TYPE_" }, value = {
              TYPE_REPLACED,
      })
      @Retention(RetentionPolicy.SOURCE)
      public @interface Type {}
  
      @Type public final int type;
  
      /** The path that a package is installed in, for example {@code /data/app/.../base.apk}. */
      public final Uri packageUri;
      /** The name of the package, for example {@code com.android.calculator}. */
      public final String packageName;
  
      @NonNull
      public static PackageEvent createReplaced(Uri packageUri, String packageName) {
          return new PackageEvent(TYPE_REPLACED, packageUri, packageName);
      }
  
      private PackageEvent(@Type int type, Uri packageUri, String packageName) {
          this.type = type;
          this.packageUri = packageUri;
          this.packageName = packageName;
  
          checkConstructorArguments();
      }
  
      private void checkConstructorArguments() {
          CheckHelpers.checkTypeInRange(type, TYPE_MAX);
          Objects.requireNonNull(packageUri, "packageUri");
          Objects.requireNonNull(packageName, "packageName");
      }
  
      @Override
      public boolean equals(Object other) {
          if (this == other) {
              return true;
          } else if (other instanceof PackageEvent) {
              return equals((PackageEvent) other);
          }
          return false;
      }
  
      private boolean equals(PackageEvent other) {
          return type == other.type &&
                  Objects.equals(packageUri, other.packageUri) &&
                  Objects.equals(packageName, other.packageName);
      }
  
      @Override
      public String toString() {
          return String.format("{packageUri: %s, packageName: %s}", packageUri, packageName);
      }
  
      //<editor-fold desc="Binder boilerplate">
      @Override
      public void writeToParcel(Parcel out, int flags) {
          out.writeInt(type);
          packageUri.writeToParcel(out, flags);
          out.writeString(packageName);
      }
  
      private PackageEvent(Parcel in) {
          this.type = in.readInt();
          this.packageUri = Uri.CREATOR.createFromParcel(in);
          this.packageName = in.readString();
  
          checkConstructorArguments();
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      public static final Parcelable.Creator<PackageEvent> CREATOR
              = new Parcelable.Creator<PackageEvent>() {
          public PackageEvent createFromParcel(Parcel in) {
              return new PackageEvent(in);
          }
  
          public PackageEvent[] newArray(int size) {
              return new PackageEvent[size];
          }
      };
      //</editor-fold>
  }
  