| /* |
| * Copyright (C) 2019 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.utils.quota; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.util.proto.ProtoOutputStream; |
| import android.util.quota.UptcProto; |
| |
| import java.util.Objects; |
| |
| /** |
| * A data object that represents a userId-packageName-tag combination (UPTC). The tag can be any |
| * desired String. |
| */ |
| final class Uptc { |
| public final int userId; |
| @NonNull |
| public final String packageName; |
| @Nullable |
| public final String tag; |
| |
| private final int mHash; |
| |
| /** Construct a new Uptc with the specified values. */ |
| Uptc(int userId, @NonNull String packageName, @Nullable String tag) { |
| this.userId = userId; |
| this.packageName = packageName; |
| this.tag = tag; |
| |
| mHash = 31 * userId |
| + 31 * packageName.hashCode() |
| + tag == null ? 0 : (31 * tag.hashCode()); |
| } |
| |
| @Override |
| public String toString() { |
| return string(userId, packageName, tag); |
| } |
| |
| void dumpDebug(ProtoOutputStream proto, long fieldId) { |
| final long token = proto.start(fieldId); |
| |
| proto.write(UptcProto.USER_ID, userId); |
| proto.write(UptcProto.NAME, packageName); |
| proto.write(UptcProto.TAG, tag); |
| |
| proto.end(token); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof Uptc) { |
| final Uptc other = (Uptc) obj; |
| return userId == other.userId |
| && Objects.equals(packageName, other.packageName) |
| && Objects.equals(tag, other.tag); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return mHash; |
| } |
| |
| /** Standardize the output of a UPTC. */ |
| static String string(int userId, @NonNull String packageName, @Nullable String tag) { |
| return "<" + userId + ">" + packageName + (tag == null ? "" : ("::" + tag)); |
| } |
| } |