content: /*
   * Copyright (C) 2017 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.android.server.timezone;
  
  import android.annotation.IntDef;
  
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  
  /**
   * Information about the status of the time zone update / data packages that are persisted by the
   * Android system.
   */
  final class PackageStatus {
  
      @Retention(RetentionPolicy.SOURCE)
      @IntDef({ CHECK_STARTED, CHECK_COMPLETED_SUCCESS, CHECK_COMPLETED_FAILURE })
      @interface CheckStatus {}
  
      /** A time zone update check has been started but not yet completed. */
      static final int CHECK_STARTED = 1;
      /** A time zone update check has been completed and succeeded. */
      static final int CHECK_COMPLETED_SUCCESS = 2;
      /** A time zone update check has been completed and failed. */
      static final int CHECK_COMPLETED_FAILURE = 3;
  
      @CheckStatus
      final int mCheckStatus;
  
      // Non-null
      final PackageVersions mVersions;
  
      PackageStatus(@CheckStatus int checkStatus, PackageVersions versions) {
          this.mCheckStatus = checkStatus;
          if (checkStatus < 1 || checkStatus > 3) {
              throw new IllegalArgumentException("Unknown checkStatus " + checkStatus);
          }
          if (versions == null) {
              throw new NullPointerException("versions == null");
          }
          this.mVersions = versions;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          PackageStatus that = (PackageStatus) o;
  
          if (mCheckStatus != that.mCheckStatus) {
              return false;
          }
          return mVersions.equals(that.mVersions);
      }
  
      @Override
      public int hashCode() {
          int result = mCheckStatus;
          result = 31 * result + mVersions.hashCode();
          return result;
      }
  
      @Override
      public String toString() {
          return "PackageStatus{" +
                  "mCheckStatus=" + mCheckStatus +
                  ", mVersions=" + mVersions +
                  '}';
      }
  }
  